Abstract:
A collapsible bin includes a lid and a box. The lid defines a lid plane and includes a flange extending in a plane parallel to the lid plane, the flange including an opening. The box includes a wall a channel with a flange contact surface and a bolt moveable in a direction perpendicular to the lid plane between securing and non-securing positions. When the bolt is in the securing position and the lid is positioned with the flange in the channel the bolt is positioned in the opening to restrict movement of the lid in a direction parallel to the lid plane and the flange engages the flange contact surface upon pressure on the lid in a direction away from the wall. A plurality of lid securing members releasably secure the lid to the wall.

Description:
[0001]    This application claims priority from U.S. provisional application No. 60-229,180 filed Aug. 29, 2000 entitled COLLAPSIBLE BIN. 
     
    
     
       BACKGROUND OF THE INVENTION  
       Field of the Invention  
         [0002]    This invention relates to collapsible shipping and storage bins, and more specifically to improvements to collapsible shipping and storage bins making them less susceptible to breakage and lid separation.  
         SUMMARY OF THE INVENTION  
         [0003]    In one embodiment of the invention a collapsible container includes a lid and a box. The lid includes a pair of side edges connected to rear and front edges and a flange connected to the lid adjacent the front edge, the flange extending in a plane parallel with a lid plane defined by the lid, the flange including an opening therein. The box includes a front wall and a plurality of side walls which when joined together form an assembled box with a cavity between the walls, a channel in a first region of the front wall having a flange contact surface, a bolt moveable in a direction perpendicular to the lid plane between a securing position and a non-securing position. When the bolt is in the securing position and the lid is positioned in a first position adjacent the walls covering the cavity with the flange is positioned in the channel, the bolt is positioned in the opening to restrict movement of the lid in a direction parallel to the lid plane and the flange engages the flange contact surface upon pressure on the lid in a first direction away from the cavity to restrict movement of the lid in the first direction. A plurality of lid securing members are also provided releasably securing the side and rear edges to adjacent side walls.  
           [0004]    In another embodiment of the invention the flange comprises a connection portion for connecting the flange to the lid attached to an extension portion extending in a plane parallel with the lid plane, the extension portion includes the opening therein, the extension portion extends into the channel when the lid is positioned adjacent the walls in alignment with the bolt to enable the bolt to extend through the opening when the bold is in the securing position.  
           [0005]    In a further embodiment a lateral joining portion extends between the connection portion and extension portion to join those portions together, the joining portions extending generally perpendicular to the lid plane thereby positioning the extension portion in spaced paralleled alignment with the lid plane.  
           [0006]    In another embodiment the front wall includes a reinforcement section positioned between the top edge of the front wall and the channel and wherein the flange contact surface is connected to the reinforcement section.  
           [0007]    In yet another embodiment the lid includes a stop positioned to align the lid with respect to the box in the first position and to align the opening with the longitudinal axis of the bolt to permit the bolt to be moved into the opening when the bolt is moved to the securing position.  
           [0008]    In another embodiment the plurality of lid securing members comprise a plurality of lid contact members connected to side edges and rear edges of the lid and a plurality of box securing members connected to the plurality of side walls and wherein the lid contact members and box securing members are engaged with one another when the lid is in the first position and not engaged with one another when the lid is in the second position.  
           [0009]    In another embodiment the lid is moveable with respect to the box in the direction of the lid plane toward the front edge to move between a second position where the lid may be separated from the box and the first position wherein the lid securing members secure the side and rear edges to adjacent side walls and the flange is positioned in the channel. 
       
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0010]    Aspects of the present invention are illustrated, merely by way of example, in the accompanying drawings in which:  
         [0011]    [0011]FIG. 1 is a perspective view of the bottom side of the lid of the container of the present invention;  
         [0012]    [0012]FIG. 2 is a perspective view of the top side of the lid of the container;  
         [0013]    [0013]FIG. 3 is a perspective view of the base of the container of the present invention;  
         [0014]    [0014]FIG. 4 is a perspective view of the exterior of the left side of the container;  
         [0015]    [0015]FIG. 5 is a perspective view of the interior of the back side of the container;  
         [0016]    [0016]FIG. 6 is a perspective view of the exterior of the back side of the container;  
         [0017]    [0017]FIG. 7 is a perspective view of the interior of the front wall of the container;  
         [0018]    [0018]FIG. 8 is a perspective view of the exterior of the front wall of the container;  
         [0019]    [0019]FIG. 9 a  is a front detail view of the bolt and flange securing system of the container in the secured position;  
         [0020]    [0020]FIG. 9 b  is a front detail view of the bolt and flange securing system of the container in the unsecured position;  
         [0021]    [0021]FIG. 10 is a side cross-sectional view taken along line  10 - 10  of FIG. 9 a;    
         [0022]    [0022]FIG. 11 a  is a perspective view of the base and left side wall of the container in spaced relation;  
         [0023]    [0023]FIG. 11 b  is a close-up perspective view of the left side wall and base of the container;  
         [0024]    [0024]FIG. 11 c  is a section view taken along line  11   c  -  11   c  of FIG. 11 b;    
         [0025]    [0025]FIG. 11 d  is a perspective view of the left side wall and base of the container;  
         [0026]    [0026]FIG. 11 e  is detailed view of FIG. 11 d;    
         [0027]    [0027]FIG. 11 f  is a section view taken along line  11   f  -  11   f  of FIG.11 e;    
         [0028]    [0028]FIG. 11 g  is a perspective view of the left side wall and base of the container;  
         [0029]    [0029]FIG. 11 h  is a detailed view of FIG. 11 g;    
         [0030]    [0030]FIG. 11 i  is a section view taken along line  11 -  11 of FIG. 11 h;    
         [0031]    [0031]FIG. 12 a  is a perspective view of the left side, right side and rear side walls and base of the container;  
         [0032]    [0032]FIG. 12 b  is a detailed view of FIG. 12 a;    
         [0033]    [0033]FIG. 12 c  is a perspective view of the left side, right side and rear side walls and base of the container;  
         [0034]    [0034]FIG. 12 d  is a detailed view of FIG. 12 c;    
         [0035]    [0035]FIG. 12 e  is a perspective view of the left side, right side and rear walls and base of the container;  
         [0036]    [0036]FIG. 12 f  is a detailed view of FIG. 12 d;    
         [0037]    [0037]FIG. 12 g  is a perspective view of the left side, right side and rear walls and base of the container;  
         [0038]    [0038]FIG. 12 h  is a detailed view of FIG. 12 f;    
         [0039]    [0039]FIG. 13 a  is a perspective view of the left side, right side and rear side walls and front wall and base of the container;  
         [0040]    [0040]FIG. 13 b  is a perspective view of the left side, right side and rear side walls and front wall and base of the container;  
         [0041]    [0041]FIG. 13 c  is a perspective view of the left side, right side and rear side walls and front wall and base of the container;  
         [0042]    [0042]FIG. 14 a  is a perspective view of the container, with the assembled box and lid of the container;  
         [0043]    [0043]FIG. 14 b  is a detailed view of FIG. 14 a;    
         [0044]    [0044]FIG. 14 c  is a section view taken along line  14   c  -  14   c  of FIG. 14 b;    
         [0045]    [0045]FIG. 14 d  is a perspective view of the assembled box and the lid of the container;  
         [0046]    [0046]FIG. 14 e  is a detailed view of FIG. 14 d;    
         [0047]    [0047]FIG. 14 f  is a section view taken along line  14   f  -  14   f  of FIG. 14 d;    
         [0048]    [0048]FIG. 14 g  is a perspective view of the assembled box, base and the lid of the container;  
         [0049]    [0049]FIG. 14 h  is a detailed view of FIG. 14 g;    
         [0050]    [0050]FIG. 14 i  is a section view taken along line  14 -  14 of FIG. 14 h;    
         [0051]    [0051]FIG. 14 j  is a detailed view of FIG. 14 d  showing the bolt and flange securing system;  
         [0052]    [0052]FIG. 14 k  is a perspective view from the rear of the assembled container;  
         [0053]    [0053]FIG. 14 l  is a detailed perspective view of a rear corner of the container of FIG. 14 k;  and  
         [0054]    [0054]FIG. 14 m  is a section view taken along line  14   m  -  14   m  of FIG. 14 l.   
     
    
     DESCRIPTION OF THE PREFERRED EMBODIMENTS  
       [0055]    Referring initially to FIG. 14 g,  assembled container  22  is depicted. Container  22  is made up of base member  24 , back side wall  26  (shown better in FIG. 13 c ), left side wall  28 , right side wall  30  (shown in FIG. 13 c ), lid  32  and front wall  34 . Assembled container  22  forms a generally cube-shaped cavity  36  (FIG. 13 c ) between base  24 , walls  26 ,  28 ,  30  and  34  and lid  32 . Lid  32  is in its first position with the lid covering the cavity and adjacent walls  26 ,  28 ,  30  and  34 .  
         [0056]    Referring to FIGS. 1 and 2 lid  32  includes inner face  38  which covers the upper portion of the cavity when container  22  is assembled and outer face  40  which forms the upper and outer periphery of assembled container  22 . Four reinforcing members  42  are positioned generally adjacent the outer periphery of lid  32  to provide reinforcement to lid  32 . Members  42  are positioned adjacent left edge  44  and right edge  46  and are offset from rear edge  48  and front edge  50  of lid  32 . As depicted in FIG. 14 d  reinforcing member  42  adjacent edge  48  is positioned to permit positioning of lid  32  on walls  26 ,  28 ,  30  and  34  in an offset manner with all members  42  within cavity  36  in close proximity with corresponding walls  26 ,  28 ,  30  and  34 . This positions lid  32  in its second position. This permits proper positioning of lid  32  adjacent these walls slideable between its second and first positions in a forward direction (i.e. in the direction of arrow  56  of FIG. 14 g ) to engage the lid side engagement members  52  (FIGS. 1 and 14 g ) and the lid rear engagement members  54  (FIG. 1) as will be described in more detail below.  
         [0057]    Referring to FIG. 1, flange  58  is attached to face  38  adjacent front edge  50  of lid  32 . Flange  58  includes relatively longer securing section  62  connected to lateral connecting section  64  which, in turn, is attached to extension section  66 . Extension section  66  is generally in a parallel plane with the plane of securing section  62  and both are in the same plane as the lid plane defined by lid  32 . Extension section  66  includes opening  68  extending through extension section  66 .  
         [0058]    Engagement members  52  are identical to engagement members  54  and both members  52  and  54  include relatively longer securing sections  70  attached to lateral connecting section  72  which, in turn, are attached to extension sections  74  extending in the same direction as securing section  70 , lying in a plane parallel with securing sections  70  and overlying sections  70 . As seen best in FIG. 14 c  lid side engagement member  52  is countersunk into lid  32  to provide a smooth outer face  40 . Connecting section  72  is dimensioned in length such that extension section  74  forms a gap  76  of predetermined width slightly greater than the thickness of corresponding side wall engagement members  78  to enable sections  72  to engage with corresponding members  78 , as is described in more detail below.  
         [0059]    Referring to FIG. 1, lid rear engagement members  54  are countersunk into inner face  38  to provide a generally smooth surface. Preferably, engagement members  80  (FIG. 6) are oriented with respect to engagement members  54  such that slots  82  are aligned with extension section  74  when lid  32  is positioned on walls  26 ,  28 ,  30  and  34 . This reduces the number of unique hardware components required for manufacture of container  22  as members  54  may then be identical to members  52 .  
         [0060]    Base  24  is depicted in FIG. 3. In a preferred embodiment, base  24  comprises a pallet having a plurality of parallel reinforcing bottom boards  84  connected to three parallel-spaced support skids  86  extending in a perpendicular direction as compared to the longitudinal axis of boards  84 . Base panel  88  extends over most of the region between the outer opposed support skids  86  and outer boards  84 , accept for a gap region  90  on each side of base panel  88  adjacent each outer support skids  86 . A plurality of L-shaped front support members  92  are positioned along front edge  94  of panel  88  with extension members  96  extending upwardly with the inner face of extensions  96  coplanar with edge  94 . Similarly, a pair of L-shaped rear support members  98  are positioned adjacent the rear edge  100  of panel  88 . Extensions  102  extend upwardly with inner faces of extensions  102  generally coplanar with rear edge  100 . Preferably, front support members  92  are identical to rear support members  98  to reduce the number of hardware components required for manufacture of container  22 . A pair of rear attachment members  105  are countersunk into panel  88  adjacent the outer ends of rear edge  100 . Attachment members  105  are preferably identical to lid rear engagement members  54  and attachment members  105  are dimensioned to enter corresponding slots  104  of lower rear wall engagement members  106  which are identical to rear wall engagement members  80 . Lower rear wall engagement members  106  are best seen in FIG. 6.  
         [0061]    Base  24  also includes a plurality of side support members  108  countersunk into lower face of panel  88  and sandwiched between outer support skids  86  and panel  88 . Members  108  include extensions  110  extending upwardly with the inner face of extension  110  generally coplanar with outer edges  112  of outer slids  86 . Support members  108  may be dimensioned identical to support members  92  and  98  to facilitate construction of container  22  by minimizing the number of unique hardware pieces required for assembly.  
         [0062]    Base  22  further includes four attachment members  114  generally adjacent each corner of base  24  attached to and countersunk to be flush with outer faces  112  of outer skids  86 . Attachment members  114  are L-shaped similar to support members  108  except that extensions  116  of members  114  are shorter than extensions  110 . Attachment members  114  are positioned on skids  86  to provide a gap generally equal to the thickness of left and right wall lower engagement members  118  (FIG. 4) with left wall  28  being the mirror image of right wall  30  to permit lateral extensions  142  to be positioned between extensions  116  and outer support skids  86 .  
         [0063]    Left side wall  28  will now be discussed with reference to FIG. 4. As discussed above, right side wall  30  is the mirror image of left side wall  28 . Wall  28  includes top edge  120 , front edge  122 , bottom edge  124  and rear edge  126 . Front and rear edges  122  and  126  include three L-shaped engagement members  128  attached to the exterior face  130  of left side wall  28 . Engagement members  128  are positioned with extension  132  extending in a direction to lie in spaced parallel relation with respective edges  122  and  126 . Preferably, members  128  are dimensioned identical to attachment members  114  to reduce the number of unique hardware components required for manufacture of container  22 . Base members  134  of engagement members  128  may be attached to the exterior face  130  of left side wall  28  attached thereto by means of screws or bolts  136 . Left and right lower engagement members  118  are attached to the interior face  131  (FIG. 12 g ) of wall  28  and may also be countersunk into that face. Lower engagement members  118  include lateral extension  142  extending over edge  124  in spaced relation and contained within respective front and rear edge scallop sections  144 . Extension  142  is generally in coplanar alignment with non-scalloped portions  146  of edge  124  and members  118  are positioned toward the front sections  144  in the direction of edge  122 .  
         [0064]    Similarly, upper engagement members  138  are attached to the interior face  131  (FIG. 12 g ) of wall  28  and countersunk into that face. Lateral extension  140  extends over respective front, middle and rear upper scalloped portions  148  and is oriented in spaced parallel relation with the edge of scalloped portions  148  in general coplanar alignment with non-scalloped portions  150  of edge  120 . Engagement members  138  are positioned adjacent the front portion of middle and rear scalloped members  148 , that is toward front edge  122 . Rear scallop portion  148 , adjacent to edge  126 , is smaller than middle and front scallop portions  148  and engagement member  138  is oriented generally over rear scalloped portion  148 . Lower engagement members  118  are identical to upper engagement members  138 .  
         [0065]    Bottom edge  124  includes three indented portions  152  extending inwardly from non-scalloped portions  146  a distance less than the distance of indent of scalloped sections  144 . Indented portions facilitate sliding of wall  28  along gap  90  of base  24  without interference from members  108 .  
         [0066]    Back side wall  26  will be discussed with reference to FIG. 5 which depicts the interior face  162  of wall  26  and FIG. 6 which depicts the exterior face  170  of wall  26 . Back side wall  26  includes top edge  152 , left edge  154 , right edge  156  and bottom edge  158 . Six L-shaped guide members  160  are attached to the interior face  162  of wall  26  and may be countersunk into face  162 . Guide members  160  include lateral extension  164  extending toward the interior of the container when assembled in general coplanar alignment with left and right edge  154  and  156 . Left and right edges  154  and  156  include three indented regions  166  which are positioned such that extensions  132  of engagement members  128  (FIG. 4) may extend through indented region  166  when wall  26  is positioned adjacent rear edge  126  with top edge  152  of wall  26  raised slightly above top edge  120  of left side  28  and right side  30  (as depicted in FIG. 12 c ).  
         [0067]    Guide members  160  may be dimensioned identical to attachment member  114  and  128  to further reduce the number of unique components required to for container  22 .  
         [0068]    A pair of rear lid engagement members  80  having slots  82  are positioned adjacent edge  152  and positioned to engage extension section  74  of lid  32  (FIG. 1) when lid  32  is positioned above cavity  36  to cover top edges  120 ,  152  and  168  of an assembled container  22 . Lower rear wall engagement members  106  are positioned adjacent bottom edge  158  with slots positioned to engage with extensions  103  of attachment members  105  (FIG. 3) when wall  26  is positioned above base  88  when container  22  is assembled, as best depicted in FIGS. 12 c  and  12   e.  Preferably, members  80  are identical to members  106 .  
         [0069]    Members  80  include indented regions  171  which facilitate movement of securing sections  70  past top edge  152  on movement of lid  32  in the direction of arrow  56  (FIG. 14 g ) from its second position, depicted in FIG. 14 d  to its first position as depicted in FIG. 14 g.  Outer face  170  includes six capsule-shaped indented regions  172  which provide hand grips for manual manipulation of wall  26  to facilitate assembly and disassembly of wall  26  when container  22  is assembled or disassembled.  
         [0070]    Front wall  34  will be discussed with reference to FIG. 7 which depicts the interior face  174  of wall  34  and FIG. 8 which depicts the exterior face  186  of wall  34 . Interior face  174  includes six L-shaped guide members  176  which are dimensioned and positioned in the same manner as guide members  160  of wall  26  Members  114 ,  128 ,  160  and  176  are identical in shape. Wall  34  further includes upper edge  168 , left edge  180 , right edge  182  and bottom edge  184 . Left and right edges  180  and  182  each include three indented regions  178  in positioned and dimensioned in an identical manner to indented regions  166  of wall  26 . This permits extensions  132  on the front edges  122  of left and right side walls  28  and  30  to extend through indented regions  178  when front wall  34  is positioned adjacent edges  122  when edge  168  is slightly above edge  120  as depicted in FIG. 13 b.  Outer face  186  includes six capsule-shaped indented regions  188  positioned similarly to indented regions  172  of wall  26  for the same purposes as described above with respect to regions  172 .  
         [0071]    Referring to FIGS. 7 and 14 j  wall  34  further includes opening  192  extending through wall  34  at an upper and central region of wall  34  adjacent edge  168 . Lid securing member  190  is attached to face  174  to cover opening  192 . Member  190  includes base member  194  extending behind opening  192  connected to perpendicular extension  196  extending generally over upper indent  198  and upper part of opening  192  in coplanar alignment with edge  168 .  
         [0072]    Referring to FIGS. 9 a,    9   b,    10  and  14   j,  lid securing member  190  is shown in detail. Upper guide  200  and lower guide  202  are attached to support plate  204  which is attached to base member  194  to extend into opening  192 . Slotted guide  206  is also attached to plate  204  in longitudinal axial alignment with and between guides  200  and  202 . Bolt  208  extends longitudinally between guides  200  and  202  and is movable along the longitudinal axis of guides  200  and  202  between a secured position (shown in FIG. 9 a ) and an unsecured position (shown in FIG. 9 b ). Bolt  208  includes lateral extension  210  with knob  212  attached to the outer periphery of extension  210 . Extension  210  is positioned in an intermediate region along bolt  208  such that on rotation of bolt  208  in the secured position, extension  210  moves between a gap  214  between upper guide  200  and slotted guide  206 , as depicted in FIG. 9 a.  Referring to FIG. 9 b  when bolt  208  is in the unsecured position bolt  208  may be rotated along with extension  210  within gap  216  between lower guide  202  and slotted guide  206 . Slotted guide further includes slot  218  dimensioned to permit extension  210  to move through slot  218  when bolt  208  is moved between its secured position (FIG. 9 a ) and its non-secured position (FIG. 9 b ).  
         [0073]    Lower guide  202  includes a pair of opposed openings  221  (FIG. 8) which are aligned with one another and positioned below the bottom  220  of bolt  208  when bolt  208  is in the secured position and extension  210  is rotated so that knob  212  contacts plate  204 , as depicted in FIG. 9 a.    
         [0074]    When bolt  208  is in the secured position the upper end  226  extends through opening  68  in extension section  66 .  
         [0075]    Lock  222  having C-shaped locking member  224  may be extended through openings  221  in lower guide  202  to be positioned below bottom  220  to lock bolt  208  in its secured position depicted in FIG. 9 a.    
         [0076]    Referring to FIG. 9 b,  when bolt  208  is in its unsecured position extension  210  is positioned within gap  216  and upper end  226  of bolt  208  is positioned below opening  68 . This permits extension section  66  to be moved from slot  227  when lid  32  is moved in a direction toward back wall  26 . When bolt  208  is in the secured position extending within opening  68  extension section  66  may not be moved toward back wall  26  and lid  32  may not be moved in a direction parallel to the lid plane. Furthermore, upwardly directed pressure applied on lid  32  in a first direction away from cavity  36 , that is opposite to the direction of arrow  262  in FIG. 14 d,  will cause extension  66  to be raised upwardly until it contacts flange contact surface  228  thereby preventing further movement of lid  32  in a direction away from cavity  36 , that is in the first direction.  
         [0077]    Referring to FIG. 10, bolt  208  is shown in its secured position with extension section  66  extending through slot  227 . As discussed previously, extension section is connected to connecting section  64  which, in turn, is connected to securing section  62  rigidly attached to lid  32  and positioned on lid  32  such that extension section  66  extends through slot  227  when lid  32  covers cavity  36  and upper edges  120 ,  152  and  168  in the first position of lid  32 .  
         [0078]    Assembly of Container  
         [0079]    The assembly of  22  will now be discussed with reference to FIGS. 11 a  through  14   m.    
         [0080]    Referring initially to FIGS. 11 a,    11   b  and  11   c,  boards  84 , skids  86  and base panel  88  are positioned on a floor or other supporting surface with base panel  88  on top. Front end  230  of panel  88  includes four identical front support members  92  and rear end  232  includes a pair of inner rear support members  98  (FIG. 3) and a pair of outer attachment members  105  (FIG. 3) which can assist in determining the front end  230  from the back end  232  of base panel  88 .  
         [0081]    Left side wall  28  is positioned adjacent the left side  234  of panel  88 , the left side identified by facing the front end  230  of container  22 . Panel  28  is lowered in the direction of arrow  77  to a position where non-scalloped portions  146  rest on upper face  87  of left outer support beam  86  within gap  90 , as depicted in FIG. 11 d  with front edge  122  extending beyond front end  230  of base  88 . Referring to FIGS. 11 b  and  11   c,  lower engagement members  118  include extension  142  extending in spaced parallel relation with scallop sections  144 . Scallop sections  144  provide sufficient clearance to permit non-scalloped portions  146  to rest on face  87  without interference from extension  142 .  
         [0082]    Referring to FIGS. 11 e  and  11   f,  attachment members  114  extend into scalloped regions  144  when wall  28  is positioned as viewed in FIG. 11 d.  Attachment member  114  includes extension  116  which extend in spaced parallel relation over upper face  87  in the region of gap  90 .  
         [0083]    Referring to FIGS. 11 g,    11   h  and  11   i,  wall  28  is then moved in the direction of arrow  236  rearwardly toward rear end  232  of base  88 . This positions extensions  116  and  142  in engagement with a portion of extension  116  extending over a portion of extension  142  as depicted in FIG. 11 i.  Extensions  110  act to support wall  28  in its positions as depicted in FIGS. 11 d  and  11   g  by sandwiching wall  28  between extension  110  and left edge  238  of base  88 . Wall  28  remains in an upright position as depicted in FIG. 11 g  without further support.  
         [0084]    Right side wall  30  is the mirror image of left side wall  28  and right side of base  88  is a mirror image of the left side of base  88 . Wall  30  is attached to base  88  in the same manner as wall  28  and is depicted in its assembled position in FIG. 12 a.    
         [0085]    Referring to FIG. 12 a,  wall  30  is shown in position connected to base  88  and supported in an upright position. As depicted in FIG. 12 a  walls  28  and  30  are positioned in a forward position to enable sufficient room for back wall  26  to be positioned against rear edges  126  and resting on base  88  without interfering with extensions  103 . Back wall  26  is aligned with rear edges  126  in the direction of arrow  240  in a position where upper edge  152  is slightly higher than upper edges  120  to enable extensions  132  to pass through corresponding indented regions  166  so that back wall  26  is positioned against rear edges  126 , as depicted in FIG. 12 c.  Extensions  132  are positioned from edges  126  a distance slightly greater than the width of wall  26 . Referring to FIGS. 12 e  and  12   f,  wall  26  may then be lowered in the direction of arrow  242  until lower edge  158  rests on base  88 . Upper edge  152  is then positioned the same as upper edges  120 . Extensions  103  are then aligned with slots  104 , although extensions  103  are not yet positioned within slots  104 . Extensions  132  contact outer face  170  of wall  26  to connect walls  28  and  30  to wall  26 .  
         [0086]    Referring to FIG. 12 g,  wall  26  is then moved in the direction of arrow  244 , wall  30  is moved in the direction of arrow  248  and wall  26  is moved in the direction arrow  246 . This causes extension  103  to enter slot  104  until engagement member  106  contacts the inner face of extension connector  252 . Face  170  is then generally in coplanar alignment with rear edge  254  of base  88 . Face  170  is also contacted by extensions  96  to prevent further movement of wall  26  in the direction of arrow  246  and to support wall  26  on base  88 .  
         [0087]    Referring to FIGS. 13 a  and  13   b,  front wall  34  is positioned against front edges  122  of walls  28  and  30  by aligning wall  34  so that extensions  132  pass through indented regions  178  and moving wall  34  in the direction of arrow  256 . Wall  34  is positioned with securing member  190  facing outwardly. Upper edge  168  is thereby positioned above upper edges  120  in a manner similar to that of back wall  26 .  
         [0088]    Referring to FIG. 13 c,  wall  34  may then be lowered in the direction of arrow  258  until lower edge  184  rests on base  88  supported adjacent edge  184  by extensions  96  of support members  92 . Extensions  132  contact outer face  250  of wall  34  to secure wall  34  against edges  122 . When in the position depicted in FIG. 13 c,  upper edges  152 , side edges  120  and front edge  168  are in coplanar alignment.  
         [0089]    Referring to FIG. 14 a,  lid  32  is then positioned above walls  26 ,  28 ,  30  and  34 . Lid  32  is positioned such that extension section  66  is positioned adjacent front wall  34  and lid rear engagement members  54  are positioned adjacent back wall  26 .  
         [0090]    Referring to FIG. 14 d,  lid  32  is lowered in the direction of arrow  262  into the second position until it rests on edges  120  of walls  28  and  30  and edge  152  of wall  26  in an offset manner with an opening  264  into cavity  36  adjacent front wall  34 . Reinforcement members  42  are positioned within cavity  36  (see FIG. 1) and extension sections  74  are positioned adjacent to outer face  170  of wall  26 . In this offset or second position extension members  74  are positioned within scalloped portion  148  to permit lid  32  to rest on edges  120  and  152 . Note, as depicted in FIG. 6, that the ends of the upper edge  152  are indented at indented region  260  which provides clearance for extension sections  74  to be moved over wall  26  if necessary to properly position rear reinforcement member  42  against inner face  162  of wall  26  (FIG. 13 a ). As well, in that offset position extension members  74  adjacent left and right edges  44  and  46  are positioned within scalloped portions  148  of edges  120 .  
         [0091]    Referring to FIGS. 14 g  through  14   m,  lid  32  is then moved in the direction of arrow  56  to its first position, that is until front edge  50  overlies upper edge  168  in coplanar alignment with face  174 . This movement causes extension sections  74  adjacent rear edge  48  to move into slots  82  and also extension members  74  on left and right edges  44  and  46  to engage lateral extensions  140  as depicted in FIG. 14 i.  Movement of lid  32  in the direction of arrow  56  also moves extension section  66  into slot  227  with opening  68  in alignment with bolt  208 . This is depicted in greater detail in FIGS. 9 a,    9   b  and  14   j.  Members  80  include indented regions  171  which facilitate movement of securing sections  70  past top edge  152  on movement of lid  32  in the direction of arrow  56  (FIG. 14 g ) to the first position.  
         [0092]    Referring to FIGS. 9 and 9 b,  bolt  208  is moved upwardly through opening  68  and bolt  208  rotated so that lateral extension  210  rests on slotted guide  206 , as depicted in FIG. 9 a  to secure bolt  208  in opening  68  in its secured position. If it is desired to lock lid  32  in place, locking mechanism  224  of lock  222  may be extended through opening  221  below bottom  220 . This locks lid  32  to walls  26 ,  28 ,  30  and  34 .  
         [0093]    Wall  34  is rigidly secured to lid  32  by means of bolt  208  through hole  68  preventing movement of lid  32  in a direction opposite to that of arrow  56 . Upward movement of lid  32  in the first direction (that is opposite to the direction of arrow  262  of FIG. 14 d ) is also prevented by extension section  66  contacting flange contact surface  228  (FIGS. 9 a,    9   b  and  10 ). Lid  32  is secured to sides  28  and  30  by extension  140  secured against extension  74  as depicted in FIG. 14 i.  Lid  32  is rigidly secured to back wall  26  by means of extension sections  74  adjacent rear edge  48  extending into slots  82 . As well, as discussed above, base  88  is rigidly attached to walls  26 ,  28 ,  30  and  34 . Walls  28  and  30  are attached to base  88  by means of extensions  116  contacting extensions  142 . Wall  26  is connected to base  88  by means of extensions  103  extending into slots  104 . Front wall  34  is connected to base  88 , and upward movement of wall  34  prevented by lid  32  being rigidly secured to edges  120 ,  152  and  168  and as walls  26 ,  28  and  30  are rigidly connected to base  88 .  
         [0094]    In order to disassemble container  22 , the above steps are repeated in reverse order.