Patent Publication Number: US-8985315-B2

Title: Loading member and sorting device

Description:
The entire disclosure of Japanese Patent Application No, 2010-204027, filed Sep. 13, 2010 is expressly incorporated by reference herein. 
     BACKGROUND 
     1. Technical Field 
     The present invention relates to a loading member that can load a loading material for example, printing material or the like, and to a sorting device including the loading member in plurality. 
     2. Related Art 
     Generally, as a recording device that performs a recording process on a recording medium, an ink jet type printer is well known in the related art (for example, JP-A-2009-92804). The printer described in JP-A-2009-92804 includes a printer main body section that performs a recording process with respect to each of printing paper sheets per order. In addition, the printer includes a transportation unit that transports the printing paper sheets on which the recording process is completed at the printer main body section to a delivery position and an integrating unit (a sorting device) that sorts and integrates the printing paper sheets (the loading materials) that are discharged to the delivery position by the transportation unit to a plurality of integrating plates (loading members) per order. 
     In the integrating unit in JP-A-2009-92804, each of the integrating plates is attached at a retaining section that is provided at the outer periphery surface of an endless type integrating belt with substantially the same distance respectively. Thus, each of the integrating plates is on standby in a posture in which a plate surface is horizontal at the delivery position of the printing paper sheets. In addition, when a plurality of printing paper sheets is integrated at the plate surface corresponding to the order, each of the integrating plates moves from the delivery position after the posture thereof is changed so as to rise according to the rotation operation of the integrating belt. 
     However, as shown in  FIG. 8 , an integrating plate PT that is disclosed in JP-A-2009-92804 has a planar receiving section  101  that receives the printing paper sheets at a delivery position in a lying state and a positioning section  102  that positions a lower end position of paper sheets P (P 1  and P 2 ) integrated on the receiving section  101  in a rising state. The positioning section  102  supports the lower end of the paper sheets P that is in the rising state which is the same as that when the integrating plate PT is raised. The positioning section  102  also has a function as a sidewall restricting the paper sheets P from sticking out from the receiving section  101  when the receiving section  101  receives the paper sheet P. 
     Although, as shown in  FIG. 8A , if the paper sheet P 1  that is discharged from the printer main body section is curled in the upper direction, the end (right end in the drawing) of the paper sheet P 1  that is lifted up may cover over the positioning section  102  and may stick out from the integrating plate PT. In addition, when the integrating plate PT is raised in a direction (clockwise) as shown in an arrow in  FIG. 8A  in a state where the paper sheet P 1  cover over the positioning section  102 , there is a problem in that the paper sheet P 1  is scattered and dropped from the integrating plate PT. 
     Meanwhile, as shown in  FIG. 8B , if the paper sheet P 2  that is discharged from the printer main body section is curled in the down direction, the center of gravity of the paper P 2  is separated from the receiving section  101  when the integrating plate PT is raised. Thus, when the integrating plate PT is raised, there is a concern that the paper sheet P 2  is scattered and dropped from the integrating plate PT by the inertial force thereof. Further, these problems are not limited to the sorting device that includes a plurality of loading members such as integrating plates and are common to a loading member that changes the posture thereof to be rising after a loading material is loaded in a lying state. 
     SUMMARY 
     An advantage of some aspects of the invention is that a loading member and a sorting device including a plurality of loading members are provided, which are capable of suppressing the dropping of a loading material according to a change of a posture thereof. 
     According to an aspect of the invention, there is provided a loading member including: a receiving section that changes a posture thereof from a receiving posture where a loading material is received in a laid state to a rising posture where the loading material is supported in a raised state by raising a front end side of the loading material; and a positioning section that is projected from a portion of a base end of the receiving section and then positions a lower end position of the loading material that is loaded on the receiving section when the posture of the receiving section is changed to the rising posture, wherein the positioning section is provided with a loading assisting member which is raised in an up direction from an upper end that is a front end of the positioning section and assists the positioning of the loading material when the posture of the receiving section is the receiving posture, and a front end side of which rotates about a base end side that is the positioning section side as a rotation center in a direction to approach a receiving surface of the loading material at the receiving section when the posture of the receiving section changes from the receiving posture to the rising posture. 
     According to the configuration, even in a case where end of the loading material that is loaded on the receiving section at the receiving posture is lifted up from the receiving section, the loading material is capable of being reliably positioned by the loading assisting member. In addition, in a case where the posture is changed from the receiving posture to the rising posture, the loading assisting member rotates and then the loading material is pinched between the loading assisting member and the receiving section so that the loading material is capable of being pressed by the loading assisting member. Accordingly, the dropping of the loading material according to the change of the posture from the loading member is capable of being suppressed. 
     In the loading member of the invention, in a front end section of the loading assisting member, the front end thereof at the receiving posture may be bent in a direction facing the receiving surface of the receiving section. 
     According to the configuration, the bent front end section of the loading assisting member positions the upper end position of the loading material so that the loading material is capable of suppressing the lifting up thereof over the loading assisting member. Accordingly, in a case where the posture of the receiving section changes from the receiving posture to the rising posture, the loading material is capable of suppressing the dropping thereof over the loading assisting member. 
     According to another aspect of the invention, there is provided a sorting device including: a plurality of loading members as described above that is arranged in a line along a sorting direction; and a moving mechanism that changes the posture of the receiving section which received the loading material from the receiving posture to the rising posture and moves the loading members to the sorting direction, wherein the sorting device sorts the received loading material by a plurality of the loading members, wherein the loading assisting member contacts the loading members that are arranged so as to be adjacent downstream in the sorting direction so that the front end section rotates in an approaching direction to the receiving surface of the receiving section when the posture of the receiving section changes from the receiving posture to the rising posture. 
     According to the configuration, the loading assisting member contacts the loading members that are arranged so as to be adjacent downstream in the sorting direction and rotates so that even in a case where spaces are present between the loading members that are arranged so as to be adjacent to each other, the loading material is capable of suppressing the dropping thereof between the spaces. 
     In the sorting device of the invention, the loading members may receive the loading material that is transported to a transporting direction crossing the sorting direction and then is discharged to the loading members, and the loading assisting member may rotate about a rotation shaft that is extended in the transporting direction as the rotation center and is provided in plurality along the transporting direction. 
     According to the configuration, the plurality of loading assisting members is arranged so that even in a case where the lengths of the cut paper sheets in the transporting direction of the loading material are different from each other or in a case where the dropping positions of the cut paper sheets in the transporting direction of the loading material are different from, the loading of each of the loading materials is capable of being assisted. 
     In the sorting device of the invention, the loading assisting member may have a main body section that is extended in the same direction as the positioning section at the receiving posture and a restricting section that contacts the positioning section at the receiving posture so as to restrict the rotation of the main body section. 
     According to the configuration, the restricting section restricts the rotation of the main body section so that the positioning of the main body section is capable of being performed at the receiving posture. 
     In the sorting device of the invention, the main body section of the loading assisting member may be positioned having a gap with the receiving section at the rising posture. 
     According to the configuration, the main body section is positioned having the gap with the receiving section and then is parallel with the receiving section at the rising posture so that the loading assisting member is capable of straightening the posture of the cut paper that is pinched between the receiving section and the main body section. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The invention will be described with reference to the accompanying drawings, wherein like numbers reference like elements. 
         FIG. 1  is a plan view illustrating a configuration of a printer unit including a sorting device as an embodiment of a sorting device according to the invention. 
         FIG. 2  is a cross-sectional arrow view taken along a cross-sectional line II-II shown in  FIG. 1 . 
         FIG. 3  is a cross-sectional arrow view taken along a cross-sectional line III-III shown in  FIG. 1 . 
         FIG. 4  is a perspective view illustrating a delivery area to the sorting device from a transportation device in the same embodiment. 
         FIG. 5A  is a perspective view illustrating a configuration of a loading member at a receiving posture of an embodiment according to the invention. 
         FIG. 5B  is a side view describing effects of the same loading member at the receiving posture. 
         FIG. 6A  is a perspective view illustrating a configuration of the loading member at a rising posture of an embodiment according to the invention. 
         FIG. 6B  is a side view describing effects of the same loading member at the rising posture. 
         FIG. 7A  is a bottom plan view illustrating a configuration of a loading assisting member at the receiving posture in the loading member of the same embodiment. 
         FIG. 7B  is a top plan view illustrating a configuration of the loading assisting member at the rising posture of the same embodiment. 
         FIG. 8A  is a side view schematically illustrating an integrating plate that is included in an integrating unit of a related art. 
         FIG. 8B  is a side view schematically illustrating an integrating plate that is included in an integrating unit of a related art. 
     
    
    
     DESCRIPTION OF EXEMPLARY EMBODIMENTS 
     An embodiment, which is specified to a sorting device that is used belonging to an ink jet type printer (sometimes referred to as “printer” below) that is a type of the recording apparatus of the invention will be described. In the below description, when “a front and rear direction”, “a right and left direction” and “an up and down direction” are referred to, they illustrate the front and rear direction, the right and left direction and the up and down direction that are shown in arrows in the respective drawings. In addition, in the arrows that show the up direction, the right direction and the front direction in the drawing, that “●” is marked within “◯” means an arrow (a drawing where the front end of an arrow is seen from the front thereof) that is directed to the front from the rear of the drawing. That “X” is marked within “◯” means an arrow (a drawing where the feathers of an arrow are seen from the rear thereof) that is directed to the rear from the front of the drawing. 
     As shown in  FIG. 1 , a printer unit  11  includes a printer  100  that is an example of a recording device, a transportation device  110  and a sorting device  120  as constitutional elements. The printer  100  performs recording (printing) with respect to a sheet ST (see  FIG. 2 ) that is rectangular-shaped paper and cuts a portion of the sheet ST where the recording is performed so that the paper is discharged as cut paper CS that is an example of a loading material. 
     The transportation device  110  transports the recorded cut paper CS that is discharged from the printer  100  to the sorting device  120 . The sorting device  120  discharges the cut paper CS to a delivery area DA that receives the cut paper CS. Further, the sorting device  120  includes a plurality of the trays  130  as an example of a loading member. Each tray  130  is made of translucent synthetic resin. Thus, each tray  130  progressively moves to a delivery area DA so that the sorting device  120  sorts the cut paper CS (the printing material). 
     Next, the constitution of the printer  100  will be described. 
     As shown in  FIG. 2 , the printer  100  includes a substantially rectangular-shaped main body case  12  having a paper discharging section  12   a  at an upper portion of a rear wall thereof and a retaining section  13  that retains a sheet ST in a state of a roll body RS that is wound and overlapped in a roll shape at the front and lower portion within the main body case  12 . In addition, the printer  100  includes a transportation mechanism  14  that transports the sheet ST along a transporting passage extended to the paper discharging section  12   a  from the retaining section  13  within the main body case  12 . A recording section  15  that performs the recording with respect to the sheet ST unwound from a roll body RS and a cutter  16  are provided within the main body case  12 . A curl correcting mechanism  17  that forms a portion of the transportation mechanism  14  is provided at a position adjacent to the paper discharging section  12   a  within the main body case  12 . 
     The recording process is performed on the surface of the sheet ST that is transported by the transportation mechanism  14  at the recording section  15 . After that, a cutter  16  cuts a portion of the sheet ST on which the printing is performed. Thus, a portion of the front end of the sheet ST that is cut becomes cut paper CS (cut sheets). Further, curl (tendency to be wound) of the cut paper CS is corrected at the curl correcting mechanism  17 . 
     The retaining section  13  includes a rotation shaft  18  that rotatably supports the roll body RS and a rotation motor (not shown) that rotates the rotation shaft  18 . Thus, when the rotation shaft  18  rotates counterclockwise in  FIG. 2  according to the driving of the rotation motor, the sheet ST is unrolled from the roll body RS. 
     The transportation mechanism  14  includes a plurality of transporting rollers  20  to  24  which transport the sheet ST from the upstream to the downstream (from the front side to rear side in the embodiment) in the transporting direction X 1 , and driven rollers  30 ,  31 ,  32  and  34  which pinch the sheet ST between each of the transporting rollers  20 ,  21 ,  22  and  24 . Each of the transporting rollers  20 ,  21 ,  22  and  24  and each of the driven rollers  30 ,  31 ,  32  and  34  interpose the transporting passage and are arranged in positions facing each other. 
     Further, in the below description, the transporting roller  22  and the driven roller  32  that are paired with each other are referred to as a transporting roller pair R 2 . In addition, the transportation mechanism  14  includes a paper transportation motor (not shown) that rotates the transporting rollers  20  to  24  and a transporting passage forming member  38  that is arranged at a position corresponding to the transporting roller pair R 2 . 
     The recording section  15  includes a guide shaft  42  that is arranged at the upper side of the transporting passage, a carriage  43  that is supported at the guide shaft  42  and a recording head  44  that is supported by the carriage  43 . The recording section  15  also includes a supporting member  45  that is arranged at a position that pinches the transporting passage and faces the recording head  44 . The guide shaft  42  is installed in the main case  12  so as to extend along a width direction Y 1  (the right and left direction in the embodiment) of the sheet ST, which crosses (orthogonally in the embodiment) the transporting direction X 1 . Further, the carriage  43  is guided by the guide shaft  42  and reciprocates along the width direction Y 1 . 
     A plurality of suction holes (not shown) is formed at the upper surface of the supporting member  45 . A suction mechanism  46  that absorbs the sheet ST through the suction holes is accommodated in the supporting member  45 . A plurality of nozzles  47  that ejects ink as a liquid is provided at the recording head  44 . Thus, ink is ejected from the nozzles  47  of the recording head  44  to the surface (the recording surface that is the upper surface in  FIG. 1 ) of the sheet ST that is supported on the supporting member  45  so that the recording to the sheet ST is performed. 
     Further, in the printer  100 , printing data that is included in one printing job is divided in plural and the printing process is performed for every scanning of the carriage  43  based on each packet of the divided printing data. The portion of the sheet ST where the printing is performed is transported intermittently between intervals of the printing process. In other words, the forming of the band-shaped image in which the width direction Y 1  is the longitudinal direction and the transportation of the paper are repeated alternatively at the recording section  15  so that the image is formed based on one printing job. 
     Further, the cutting of the sheet ST by the cutter  16  is performed in a state where the transportation of the sheet ST by the transportation mechanism  14  is stopped and the upstream thereof is retained with the suction mechanism  46  of the supporting member  45  while the downstream thereof is pinched with the transporting roller pair R 2 . In the embodiment, when the transportation of the sheet ST stops so as to perform printing, the cutting of the sheet ST is performed. Thus, the transporting rollers  22  to  24  continuously transport the cut paper CS that has been cut without stopping. The cut paper CS is discharged to the transportation device  110  through the paper discharging section  12   a  after the curl correcting mechanism  17  corrects the curl. 
     The curl correcting mechanism  17  has the transporting rollers  23  and  24 , and the driven roller  34  as constitutional elements. When the driven roller  34  pinches the cut paper CS with the transporting roller  24 , the driven roller  34  rotates according to the transportation of the cut paper CS and the cut paper CS is bent between the transporting roller  23  and the driven roller  34  so that the curl of the cut paper CS is corrected. Further, the transporting roller  23  also serves as a supporting section that supports the upstream of the bending portion when the cut paper CS is bent. 
     Next, the constitution of the transportation device  110  will be described. 
     As shown in  FIG. 1 , the transportation device  110  transports the cut paper CS that is discharged from the printer  100  to the downstream from the upstream (from the left side to the right side in the embodiment) in the transporting direction X 2 , and positions on a base die section  50 . 
     The transportation device  110  includes a driving roller  51 , a driven roller  52 , an endless-type transporting belt  53  that is wound between the driving roller  51  and the driven roller  52 , and a transportation motor (not shown) for rotating the driving roller  51 . Thus, the transportation motor rotates the driving roller  51  so that the transporting belt  53  rotates (go-around moving). 
     The upstream side of the transporting belt  53  in the transporting direction X 2  is arranged at the lower side of the paper discharging section  12   a  of the printer  100 . Further, the downstream side of the transporting belt  53  in the transporting direction X 2  is arranged at a position that is adjacent to the delivery area DA of the sorting device  120 . Accordingly, when the cut paper CS is loaded on a transporting surface  53   a  (a horizontal surface that is formed on an upper surface) of the transporting belt  53 , the cut paper CS is transported to the delivery area DA of the sorting device  120  in the transporting direction X 2 . 
     At this time, the transporting belt  53  rotates at a speed such that the cut paper CS is drawn out to near the center portion of the delivery area DA in the transporting direction X 2 . Thus, when the cut paper CS reaches the downstream end of the transporting surface  53   a  in the transporting direction X 2 , the cut paper CS is separated from the transporting surface  53   a  and is discharged to the tray  130  that is arranged at the delivery area DA of the sorting device  120 . 
     Next, the constitution of the sorting device  120  will be described. 
     As shown in  FIG. 1 , the sorting device  120  includes a box-shaped case  59 . The sorting device  120  has the delivery area DA at a position that is rear side in the case  59  and simultaneously has a reversing area RA at a position that is front side in the case  59 . Furthermore, the sorting device  120  has a sorting area SA for sorting the cut paper CS between the delivery area DA and the reversing area RA in the front and rear direction of the case  59 . 
     The tray  130  of the sorting device  120  receives a plurality of sheets of cut paper CS that is transported in the transporting direction X 2  and discharged to the tray  130  at the delivery area DA of the cut paper CS where the cut paper CS is delivered from the transportation device  110  to the sorting area SA. In addition, the sorting device  120  moves the tray  130  that receives the cut paper CS in a sorting direction X 3  (the front direction in the embodiment) of the cut paper CS, which is orthogonal to the transporting direction X 2  at the sorting area SA so that the received cut paper CS is sorted. Further, a plurality ( 9  in the present embodiment) of trays  130  is arranged in a line along the sorting direction X 3 . 
     As shown in  FIG. 3 , the sorting device  120  includes a moving mechanism  60  that positions in the case  59 . The moving mechanism  60  includes gears  61 ,  62 ,  63  and  64 , an endless-type chain  65  and a driving motor (not shown) for rotating the gear  61 . The gears  61  and  63  are the driving gears and are rotated counterclockwise in  FIG. 3  by the driving motor (not shown). In addition, the gear  62  is a driven gear and the gear  64  is a tension gear that is pressed to the lower side by a spring (not shown). Thus, each of the gears  61  to  64  is engaged with respect to the chain  65  in the inside thereof. 
     The chain  65  is wound on the gears  61 ,  62 ,  63  and  64 , and is retained in a state where the chain  65  has an appropriate tension by the gear  64 . Thus, when the gears  61  and  63  are rotated by the driving motor, the chain  65  go-around moves counterclockwise in  FIG. 3  so as to form a constant go-around moving passage. 
     A plurality of retaining sections  67  for mounting the trays  130  each of which is provided at substantially the same spacing from each other on the chain  65 . The tray  130  has a mounting section  70  that is mounted at the retaining section  67 , a planar receiving section  71  and a positioning section  72  that is projected from a portion of the base end side of the planar receiving section  71  so as to substantially orthogonal to the receiving section  71  seen from the side view. Thus, one tray  130  is attached to each of the retaining sections  67  of the chain  65  so as to be in a line along the go-around moving passage. 
     As shown in  FIG. 1 , a reflecting section  73  is provided adjacent to the center portion of the receiving section  71  of the tray  130  in the transporting direction X 2  (the right and left direction). The reflecting section  73  is configured such that a reflecting seal that reflects light is attached to an inclined surface of the right side among three inclined surfaces that form a triangular cone-shaped recess in the rear direction from the receiving section  71 . 
     In addition, a reflective optical sensor  74  having a light source section  74   a  and a light receiving section  74   b  is provided at the left end of the reversing area RA in the case  59 . As shown in the two-dot chain line in  FIG. 1 , the reflective optical sensor  74  emits the light from the light source section  74   a  to the reflecting section  73  of the tray  130  that is arranged at the front most column of the sorting area SA. 
     If the cut paper CS is not loaded in the tray  130  that is arranged at the front most column of the sorting area SA, the light that is emitted from the light source section  74   a  is reflected by the reflecting section  73  so that the light receiving section  74   b  receives the reflected light. Meanwhile, if the cut paper CS is loaded in the tray  130  that is arranged at the front most column of the sorting area SA, the cut paper CS blocks the light that is emitted from the light source section  74   a  and the light receiving section  74   b  does not receive the reflected light. Accordingly, if the light receiving section  74   b  receives the reflected light at the sorting device  120 , the tray  130  moves, until the light receiving section  74   b  does not receive the reflected light. Then, the tray  130  stops. 
     Since the trays  130  are in a line of nine along the sorting direction X 3  at the sorting area SA, the sorting device  120  is capable of sorting the cut paper CS to nine per order. In addition, when the tray  130  that loads the cut paper CS moves to the front most column of the sorting area SA, the tray  130  stops and the cut paper CS is taken out by a user. Thus, when the cut paper CS is taken out from the tray  130  that is positioned at the front most column of the sorting area SA, the movement of the tray  130  restarts in the sorting direction X 3 . Accordingly, the vacant tray  130  is reversed by the reversing area RA and moves to the delivery area DA again according to the rotation of the chain  65 . 
     As shown in  FIG. 4 , two notch sections  75  and  76  are formed at the right end of the receiving section  71  in the trays  130  so that the taking-out of the cut paper CS by the user is assisted. The sorting device  120  sorts a plurality of sizes of the cut paper CS from the minimum size shown in the two-dot chain line in  FIG. 4  to the maximum size shown in the one-dot chain line in  FIG. 4 . Accordingly, the notch section  75  mainly assists the taking-out of the cut paper CS of a small size while the notch section  76  mainly assists the taking-out of the cut paper CS of a large size. In addition, about fifty cut sheets of paper CS may be loaded on one tray  130 . Guide plates  79  and  80  are provided at the delivery area DA in order to stop to receive the cut paper CS that is drawn out to the delivery area DA and guide to the tray  130 . 
     The trays  130  are arranged sequentially at the delivery area DA in a tilting and receiving posture by the moving mechanism  60  so that the receiving section  71  is slightly lowered from the upstream to the downstream in the sorting direction X 3 . Thus, the tray  130  receives the cut paper CS in a state where the cut paper CS is laid on the receiving surface  71   a  that is the upper surface thereof in a receiving posture. In addition, the positioning section  72  of the trays  130  is provided at an end of downstream of the receiving section  71  in the sorting direction X 3 . Thus, the cut paper CS that is loaded on the receiving section  71  of the tray  130  is moved by its own weight to the downstream in the sorting direction X 3 . The positioning section  72  substantially performs the positioning in the sorting direction X 3  and the positioning of the lower end position in the sorting direction X 3 . 
     Each of the trays  130  that receives the cut paper CS at the delivery area DA sequentially changes the posture to rising from the receiving posture in a state where the cut paper CS is loaded while it moves to the sorting area SA from the delivery area DA according to the driving of the moving mechanism  60 . At this time, the receiving section  71  of the tray  130  changes the posture thereof from the receiving posture to the rising posture where the front end thereof rises so as to support the cut paper CS in a rising state. 
     Further, the positioning section  72  of the tray  130  positions the lower end position of the cut paper CS that is loaded on the receiving section  71  when the posture of the receiving section  71  changes to the rising posture. Thus, the plurality of trays  130  (nine in the embodiment) that is positioned upstream of the chain  65  at the sorting area SA moves in the sorting direction X 3  in a state where the receiving sections  71  are slightly tilted so as to be parallel to each other. Further, when the receiving section  71  of the tray  130  has a raised posture, the positioning section  72  is positioned at the lower side of the receiving section  71  so that the lower end of the cut paper CS is supported at the positioning section  72  in a state where the lower surface thereof is leaned and caught at the receiving section  71  as shown in two-dot chain line if  FIG. 3 . 
     Loading assisting members  90  are attached to the positioning section  72  of each of the trays  130 . A plurality (two in the embodiment) of the loading assisting members  90  is provided at each of the trays  130  along the transporting direction X 2 . Each of the loading assisting members  90  has a main body section  91  that is extended in the same direction as the positioning section  72  at the receiving posture, a rotation shaft  92  (see  FIGS. 7A and 7B ) that is rotatably supported by the supporting section  72   a  provided at the front end section of the positioning section  72  and a restricting section  93  (see  FIG. 6A ) that is extended from the main body section  91 . 
     As shown in  FIGS. 5A and 5B , the front end section of the main body section  91  in the loading assisting member  90  is bent to a direction facing the receiving surface  71   a  of the receiving section  71  in the receiving posture. In addition, as shown in  FIG. 6 , the restricting section  93  is extended to the positioning section  72  side from the main body section  91  and the rotation shafts  92  are provided at both sides of the restricting section  93  in the transporting direction X 2 . 
     As shown in  FIG. 7A , both rotation shafts  92  are extended in a direction that is separated from the restricting section  93  along the transporting direction X 2  respectively. Engaging sections  95  and  96  are provided at the main body section  91  of the loading assisting member  90  and the positioning section  72  of the trays  130  respectively. In addition, a torsion coil spring  97  is provided between the loading assisting member  90  and the positioning section  72  such that both ends thereof are engaged in the engaging sections  95  and  96  respectively. In addition, the coil portion of the torsion coil spring  97  is arranged between the restricting section  93  and one side of the rotation shafts  92  at the loading assisting member  90 . 
     The loading assisting member  90  is arranged at the extended position as shown in  FIGS. 5A ,  5 B and  7 A by a pressing force of the torsion coil spring  97  at the receiving posture. At this time, the restricting section  93  contacts a lower surface of the positioning section  72  at the receiving posture so that the rotation of the main body section  91  is restricted. 
     Further, when the posture of the receiving section  71  is changed from the receiving posture to the rising posture, the loading assisting member  90  contacts the trays  130  that are arranged so as to be adjacent to the downstream in the sorting direction X 3  so that the loading assisting member  90  rotates in a direction in which the front end of the main body section  91  approaches the receiving surface  71   a  of the receiving section  71  about the rotation shafts  92  as the rotation center. Thus, the loading assisting member  90  rotates about 90 degrees in clockwise in  FIG. 5B  until the posture of the receiving section  71  changes to the rising posture. Accordingly, the loading assisting member  90  is arranged at the receiving position shown in  FIGS. 6A ,  6 B and  7 B at the rising posture. At this time, the main body section  91  of the loading assisting member  90  is parallel with the receiving section  71 . 
     Next, effects of the trays  130  and the sorting device  120  will be described. 
     The curl of the cut paper CS is corrected by the curl correcting mechanism  17  of the printer  100 , however since the strength of the curl is different according to whether the cut paper CS is wound at the inner periphery side or the outer periphery side of the roll body RS, the curl may remain after the correction. 
     For example, the curl remains in the cut paper CS having a strong curl before the correction, that is wound at the inner periphery side of the roll body RS as the curl is not corrected by the curl correcting mechanism  17 . Thus, as shown in  FIG. 2 , the cut paper CS is loaded on the trays  130  in a state where the cut paper CS is bent in the down direction. Meanwhile, the cut paper CS having a weak curl before the correction that is wound at the outer periphery side of the roll body RS is curled in the reverse direction by the curl correcting mechanism  17 . Thus, as shown in  FIG. 5B , the cut paper CS is loaded on the trays  130  in a state in which the cut paper CS is bent in the up direction. 
     Even though the cut paper CS is loaded on the receiving section  71  in a state where the cut paper CS is curled in the up direction, the loading assisting member  90  is in a rising state from the upper end of the positioning section  72  so that the trays  130  assist the positioning of the cut paper CS as shown in  FIG. 5B . In addition, if the positioning section  72  is long corresponding to the lifting up of the cut paper CS, when the receiving section  71  is the rising posture, the gap between the positioning section  72  and the receiving section  71  that is arranged so as to be adjacent to the positioning section  72  is excessively vacant so that the sorting device  120  becomes large. On the contrary, in the trays  130 , if the posture of the receiving section  71  is changed from the receiving posture to the rising posture, the front end side of the loading assisting member  90  rotates in the approaching direction to the receiving surface  71   a  of the receiving section  71  about the base end side that is the positioning section  72  side as the center of the rotation. Accordingly, in the sorting area SA, the loading assisting member  90  is bent to the receiving position so that the space may not be excessively occupied. 
     In addition, when the receiving section  71  of the tray  130  changes the posture thereof from the receiving posture to the rising posture, a space is vacant between the receiving section  71  and the tray  130  that is positioned downstream in the sorting direction X 3 . Thus, at this time, if the receiving section  71  changes the posture thereof and then the cut paper CS is spilt and dropped from the tray  130 , there is a concern that the cut paper CS is dropped and pinched in the space between the trays  130  that are arranged adjacent to each other. On this point, the loading assisting member  90  that is provided at the trays  130  rotates from the extending position to the receiving position according to the posture change of the receiving section  71  so that the dropping of the cut paper CS to the space between the receiving section  71  and the trays  130  that are provided downstream in the sorting direction X 3  is capable of being suppressed. 
     Furthermore, the main body section  91  of the loading assisting member  90  is parallel with the receiving section  71  at the receiving position so that as shown in  FIG. 6B , the curl of the cut paper CS that is loaded on the receiving section  71  is pressed and the posture thereof is straightened. Accordingly, even in a case where a plurality of the cut paper CS is loaded on one tray  130 , the variation of each of the cut paper CS is capable of being suppressed. 
     According to the above-described embodiments, advantages can be obtained as described below. 
     (1) Even in a case where the end of the cut paper CS that is loaded on the receiving section  71  at the receiving posture is lifted up from the receiving section  71 , the positioning of the cut paper CS is capable of being performed reliably by the loading assisting member  90 . Further, when the posture of the receiving section  71  changes from the receiving posture to the rising posture, the loading assisting member  90  rotates and then the cut paper CS is pinched between the loading assisting member  90  and the receiving section  71  so that the cut paper CS is capable of being pressed by the loading assisting member  90 . Accordingly, the dropping of the cut paper CS from the trays  130  according to the posture change of the receiving section  71  is capable of being suppressed. 
     (2) The bent front end of the loading assisting member  90  positions the upper end of the cut paper CS so that the lifting up of the cut paper CS over the loading assisting member  90  is capable of being suppressed. Accordingly, when the posture of the receiving section  71  changes from the receiving posture to the rising posture, the cut paper CS is capable of suppressing the spilling and dropping over the loading assisting member  90 . 
     (3) The loading assisting member  90  contacts the trays  130  that are arranged so as to be adjacent to the downstream in the sorting direction X 3  while it rotates so that even in a case where a space is present between the trays  130  adjacent to each other, the dropping of the cut paper CS in the space is capable of being suppressed. 
     (4) The plurality of loading assisting members  90  are arranged so that even a case where the lengths of the cut paper CS in the transporting direction X 2  are different from each other or a case where the dropping positions of the cut paper CS in the transporting direction X 2  are different from each other, the loading of each of the cut papers CS is capable of being assisted. 
     (5) The restricting section  93  restricts the rotation of the main body section  91  so that the positioning of the main body section  91  is capable of being performed at the receiving posture. 
     (6) The main body section  91  is parallel with the receiving section  71  at the rising posture so that the loading assisting member  90  is capable of straightening the posture of the cut paper CS that is pinched between the receiving section  71  and the main body section  91 . 
     In addition, the above-described embodiments may be changed as described below.
         A convex section having spherical shape or semi-spherical shape is provided at the front end of the loading assisting member  90  that is arranged in the trays  130  so that the position of the upper end of the cut paper CS may be positioned or the cut paper CS may be pressed by the convex section. According to the configuration, a sliding load of the loading assisting member  90  with respect to the cut paper CS is capable of being suppressed.   The loading assisting member  90  may not include the restricting section  93 .   The loading assisting member  90  does not include the rotation shafts  92  but is resiliently deformed so as to bend near the base end that is attached to the positioning section  72  of the trays  130  so that the front end thereof may be rotated.   Only one loading assisting member  90  having a length corresponding to the cut paper CS in the transporting direction X 2  may be provided or three or more may be provided along the transporting direction X 2  so as to correspond to the end sections of the cut sheets of paper CS that are different in the size in the transporting direction X 2 .   The transporting direction X 2  and the sorting direction X 3  may accord to each other. In other words, the cut paper CS may be discharged to the positioning sections  72  of the trays  130  that are downstream in the sorting direction X 3  from the guide plate  80  that is upstream in the sorting direction X 3  rather than the delivery area DA.   The number of trays  130  that are provided at the sorting device  120  or the number of trays  130  that are arranged at the sorting area SA may be changed arbitrarily.   At the delivery area DA, the receiving sections  71  of the trays  130  may receive the cut paper CS in the receiving posture that is horizontal.   The loading member is not limited to the shape in which the receiving section  71  and the positioning section  72  cross in L-shaped seen from the side view as described in the above-described embodiment. For example, the loading member may be a box shape having a bottom and sidewalls that are raised at the periphery of the planar receiving section. Otherwise, the positioning section may be projected comb-shapedly from the receiving section.   The printer  100  may perform the printing not only on the cut paper CS that is cut from long sheet ST but also on the cut paper CS that is cut beforehand. Further, the curl of the cut paper CS is not limited to one that is generated by retaining in a state where long sheet is rolled in roll-shaped. Further, even though the cut paper CS is cut beforehand, the curl may be generated by a surface processing such as printing and coating or a humidification or heating.   The printer  100  may be a liquid ejection apparatus including a liquid ejecting head that ejects or discharges liquid droplets of micro quantity of liquid other than ink. Further, the liquid droplets refer to a state of liquid that is ejected from the liquid ejection apparatus and also includes droplets that draw a trailing edge in a granule shape, a dripping shape and a string shape. Further, liquid described here may be any material that can be ejected from the liquid ejection apparatus. For example, the material may be in a state of a liquid phase and the material includes not only a liquid material having a high viscosity or a low viscosity, but also a flow phase material such as sol, gel water, inorganic solvent, organic solvent, solution, liquid phase resin, liquid phase metal (metal fusing liquid) or the like. Additionally, the material includes not only liquid as a material state but also a material in which particles of a functional material that is formed from a solid material, such as a pigment, metal particles or the like, are dissolved, dispersed or mixed in the solvent. Representative examples of the liquid are ink, liquid crystal or the like that are described in the above embodiments, liquid crystal and the like that are described in the embodiments. Here, ink includes general water ink, oil ink, and other ink, which includes various liquid compositions such as gel ink, hot melt ink or the like. As a specific example of the liquid ejection apparatus, there are, for example a liquid ejection apparatus that ejects liquid including materials for an electrode material, color material or the like as a dispersing or dissolved phase and a printing apparatus that is used to manufacture a liquid crystal display, an EL (electro-luminescence) display, a surface emitting display and a color filter.   In the above-described embodiments, description has been given regarding the printer that employs the ink jet type as the recording type; however, the printer may be changed to a printer having an arbitrary recording type such as a dot impact type, an electronic transferring type, thermal transferring type or the like. Further, the printer is not limited to the serial printer and may be a line printer and a page printer.   The recording apparatus is not limited to the printer and may be a facsimile apparatus, a copying apparatus or a multifunction apparatus that includes a plurality of functions or the like. In addition, the recording apparatus may be a label printer, a bar code printer, and a note issuing apparatus or the like.   The loading material is not limited to paper and may be any material such as metal, plastic film, cloth, magnetic tape, rubber or the like. Further, the loading material is not limited to cut paper and may be a sack that includes air or the like inside thereof and expanded, a brochure where a plurality of cut paper is filed, a label where a separating paper is attached or the like.   The sorting device is not limited to one that is used attached to the recording apparatus. For example, the sorting device may be a device that sorts arbitrarily a loading material where an attaching process of the seal, a transferring process of the sheet, a staple (filing) process, embossing process, bending and overlapping process or the like are performed. Further, the trays  130  are not limited to the sorting device and may be employed to a device where a loading material in which above-described processes are performed is received, the loading material is in a rising state and the position of the lower end thereof is straightened and then the loading material is transported to the next process (for example, a packing process, an inspection process or the like) in a state where the loading material is raised. In addition, in a case where only one tray  130  is prepared or in a case where the trays  130  are arranged at positions that do not contact the adjacent trays  130  to each other, the loading assisting member  90  contacts a wall surface of the machine or a projecting section that is provided at the machine so that the loading assisting member  90  is capable of being rotated.