Abstract:
A fame kit for a sheet-like object includes a frame arrangement and a positioning arrangement. The frame arrangement includes a plurality of frame units of a plurality of lengths provided for selection and a coupling connector for detachably connecting two frame units. The positioning arrangement includes a positioning unit and a positioning support inherently provided for each of the frame unit for supporting the positioning unit. The positioning unit is detachably connected and provided to the positioning support, including a supporting arm connecting to the positioning support to secure into position and a resilient biasing arm integrally extended from the supporting arm such that a biasing portion is defined at which the sheet-like object is biased to position onto the frame arrangement. The positioning unit also provides a guiding slot for guiding an insertion of the sheet-like object.

Description:
CROSS REFERENCE OF RELATED APPLICATION 
       [0001]    This is a non-provisional application that claims the benefit of priority under 35 U.S.C.§119 to a provisional application, application No. 61/665,308, filed Jun. 28, 2012. 
     
    
     BACKGROUND OF THE PRESENT INVENTION  
       [0002]    1. Field of Invention 
         [0003]    The present invention relates to a DIY frame for picture or poster, and more to particularly to a frame kit for supporting and displaying a large-scale sheet-like object such as a poster or a picture. 
         [0004]    2. Description of Related Arts 
         [0005]    Posters or pictures are widely used in the marketing materials for promoting a business. For example, a poster or a picture may be used in a store for attracting customers. A poster or a picture may also be required for use in an exhibition or a trade-show. However, conventional method of mounting or supporting a picture or poster involves a large scale poster or picture frame which is very expensive in nature. After a picture or poster is mounted onto a frame, the frame is then supported by a support stand for supporting onto a ground surface. Because of the size of the poster or the picture is usually very large, the weight of the frame and the support stand are proportional to the size of the picture or the poster and the cost of providing a frame is very high. 
         [0006]    In particular, a regular frame generally includes four side units which peripherally enclose the poster or the picture, a front transparent cover and a back support board unit. The poster or the picture is sandwiched by the front transparent cover and the back support board unit while the front transparent cover and the back support board unit are connected to the four side units and secure into position through a groove like structure provided on the side units. Accordingly, the frame and the poster or the picture of a particular size have to be perfectly matched with each other. In other words, the regular frame is required to be customized for a picture of a particular size, which is cost ineffectively and time consuming. 
         [0007]    Poster or Picture printing becomes more and more common and self-servicing printing services are also available. The advanced technological development in digital camera and computer has also facilitated the act of taking picture or poster design by lay person. While the cost of taking picture or poster design and the cost of printing are lowered, which is especially important to small to medium sized businesses, the cost of showing and displaying a poster or picture remains at a high level because of the high cost of picture or poster frame. 
         [0008]    In addition, because the dimension of a particular picture frame is fixed, the picture frame cannot be used for other picture of different dimension. When the poster or the picture is used for marketing purpose in an exhibition or a trade show, it is highly likely that the same picture or poster will not be used repeatedly and it is also highly likely that the dimension requirement of the picture frame may be varied to fit the exhibition area or the display area. Therefore, the particular picture frame which is fit for use for a first occasion may not be fit for use for a second occasion. This type of picture frame, which does not provide any size flexibilities, is not only environmental unfriendly, but also cost ineffectively. 
         [0009]    Furthermore, because the dimension of a particular frame is fixed, it is not convenience for storage for future use or for transportation or carriage. For example, after the particular frame is used in an exhibition or a trade show, the frame can neither be disassembled for transportation, nor packed into a compact size for storage. 
       SUMMARY OF THE PRESENT INVENTION 
       [0010]    The invention is advantageous in that it provides a DIY frame for poster or picture which is cost effective, adjustable, re-mountable and easy to use. 
         [0011]    Another advantage of the invention is to provide a DIY frame for a sheet-like object which is easy to assembly and compact for transportation and storage. 
         [0012]    Another advantage of the invention is to provide a DIY frame for a sheet-like object which includes a frame arrangement comprising a plurality of frame units and a coupling connector for connecting two frame units for forming the frame arrangement, wherein the frame units of different length and design can be used and a mix and match flexibility is provided. 
         [0013]    Another advantage of the invention is to provide a DIY frame for a sheet-like object which includes a frame arrangement and a positioning arrangement supported by the frame arrangement arranged for positioning the sheet-like object, wherein the positioning arrangement comprises a positioning unit and a positioning support supporting the positioning unit, wherein the positioning unit comprises a supporting arm arranged for connecting to the positioning support and a biasing arm integrally extended from the supporting arm to define a biasing portion arranged for pressing the sheet-like object onto a rear side of the frame arrangement to secure into position. The positioning arrangement is simple in construction and easy to use. The positioning arrangement may also be pre-installed onto the frame unit for providing additional convenience. 
         [0014]    Another advantage of the invention is to provide a DIY frame for a sheet-like object which includes a frame arrangement and a positioning arrangement supported by the frame arrangement arranged for positioning the sheet-like object, wherein a guiding slot is provided to guide an insertion of the sheet-like object to secure into position. 
         [0015]    Additional advantages and features of the invention will become apparent from the description which follows, and may be realized by means of the instrumentalities and combinations particular point out in the appended claims. 
         [0016]    According to the present invention, the foregoing and other objects and advantages are attained by a frame for a sheet-like object, comprising: 
         [0017]    a frame arrangement comprising a plurality of frame units and a coupling connector for connecting two frame units, wherein each of the frame unit has a frame body having an elongated construction defining a front side and a rear side opposite to the front side in which the front side is adapted for framing the sheet-like object in a presentable manner and the rear side is adapted for mounting the sheet-like object, wherein the plurality of frame units are connected form the frame arranged for surroundingly framing the sheet-like object; 
         [0018]    a positioning arrangement comprising a positioning unit and a positioning support supporting the positioning unit, wherein the positioning unit comprises a supporting arm connecting to the positioning support to secure into position and a biasing arm which is resilient integrally extended from the supporting arm such that a biasing portion is defined at which the sheet-like object is biased to position onto the frame arrangement; and 
         [0019]    a strap unit having an elongated body defining two ends connected to the frame arrangement through the rear side of the frame units arranged for providing additional support to the sheet-like object. 
         [0020]    Preferably, the positioning arrangement further includes a guiding slot between the supporting arm and the biasing arm, wherein the guiding slot is formed by a straight side and a curved side in such a manner that the curved side and the straight side overlap at a first end of the curved side and the straight side defining a bottom of the guiding slot and a width of the guiding groove which is a distance between the curved side and the straight side gradually increases towards a second end of the curved side and the straight side defining an opening of the guiding slot, thereby the guiding slot is capable of guiding an inserting of the sheet-like object entering from the opening towards the bottom at which the biasing portion is provided for securing the sheet-like object into position. 
         [0021]    In accordance with another aspect of the invention, the present invention provides a fame kit for mounting a sheet-like object, comprising: 
         [0022]    a frame arrangement comprising a plurality of frame units and a coupling connector for detachably connecting two frame units, wherein each of the frame unit has a frame body having an elongated construction defining a front side and a rear side opposite to the front side in which the front side is adapted for framing the sheet-like object in a presentable manner and the rear side is adapted for mounting the sheet-like object, wherein the plurality of frame units are connected to form the frame surroundingly framing the sheet-like object, wherein the plurality of frame units have a plurality of length provided for selection; and 
         [0023]    a positioning arrangement comprising a positioning unit and a positioning support supporting the positioning unit, wherein the positioning support is inherently provided for each of the frame unit, wherein the positioning unit is detachably connected and provided to the positioning support, wherein the positioning unit comprises a supporting arm connecting to the positioning support to secure into position and a biasing arm which is resilient integrally extended from the supporting arm such that a biasing portion is defined at which the sheet-like object is biased to position onto the frame arrangement. 
         [0024]    Preferably, a strap unit having an elongated body defining two ends connected to the frame arrangement through the rear side of the frame units arranged for providing additional support to the sheet-like object is also included. 
         [0025]    Preferably, the positioning arrangement further includes a guiding slot between the supporting arm and the biasing arm, wherein the guiding slot is formed by a straight side and a curved side in such a manner that the curved side and the straight side overlap at a first end of the curved side and the straight side defining a bottom of the guiding slot and a width of the guiding groove which is a distance between the curved side and the straight side gradually increases towards a second end of the curved side and the straight side defining an opening of the guiding slot, thereby the guiding slot is capable of guiding an inserting of the sheet-like object entering from the opening towards the bottom at which the biasing portion is provided for securing the sheet-like object into position. 
         [0026]    Still further objects and advantages will become apparent from a consideration of the ensuing description and drawings. 
         [0027]    These and other objectives, features, and advantages of the present invention will become apparent from the following detailed description, the accompanying drawings, and the appended claims. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0028]      FIG. 1  is a perspective view of a DIY frame according to a preferred embodiment of the present invention. 
           [0029]      FIG. 2A  is a front view of the DIY frame according to the above preferred embodiment of the present invention. 
           [0030]      FIG. 2B  is a rear view of the DIY frame according to the above preferred embodiment of the present invention. 
           [0031]      FIG. 3A  illustrates a coupling connector of the DIY frame according to an exemplary embodiment of the above preferred embodiment of the present invention. 
           [0032]      FIG. 3B  illustrates a coupling connector of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0033]      FIG. 3C  illustrates a coupling connector of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0034]      FIG. 3D  illustrates a coupling connector of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0035]      FIG. 4A  illustrates a positioning arrangement of the DIY frame according to an exemplary embodiment of the above preferred embodiment of the present invention. 
           [0036]      FIG. 4B  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0037]      FIG. 4C  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0038]      FIG. 4D  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0039]      FIG. 4E  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0040]      FIG. 4F  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0041]      FIG. 4G  illustrates a positioning arrangement of the DIY frame according to another exemplary embodiment of the above preferred embodiment of the present invention. 
           [0042]      FIG. 5  illustrates a mounting strap unit of the DIY frame according to the above preferred embodiment of the present invention. 
           [0043]      FIG. 6  illustrates the connection of different parts of the DIY frame according to an exemplary embodiment of the above preferred embodiment of the present invention. 
           [0044]      FIG. 7A to 7C  illustrate cross-section views of the integral frame arrangement and positioning arrangement coupling with the coupling connector of the DIY frame according to an exemplary embodiment of the above preferred embodiment of the present invention. 
       
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT 
       [0045]    Referring to  FIGS. 1 to 7  of the drawings, a frame for a poster, a picture, a sheet-like object or the like according to a preferred embodiment of the present invention is illustrated. The frame includes a frame arrangement  10  arranged for forming a frame structure and a positioning arrangement  30  arranged for positioning a sheet-like object onto the frame structure. 
         [0046]    Referring to  FIGS. 1 to 3  of the drawings, the frame arrangement  10  comprises a plurality of frame units  11  connecting together to form the frame structure and a coupling connector  12  for connecting two adjacently positioned frame units  11 . Preferably, the frame units  11  are detachably connecting together through the coupling connectors  12  such that the frame units  11  can be disassembled conveniently. 
         [0047]    As shown in  FIGS. 2 and 3  of the drawings, the frame arrangement  10  includes four frame units  11  providing four sides of the frame structure in which the four frame units  11  are connected by the coupling connectors  12  at four corners to form a rectangular frame structure. It is worth mentioning that the number of frame units  11  may be varied to form different frame structure such as a triangular frame structure, a hexagonal frame structure and etc. 
         [0048]    In particular, the frame unit  11  has a frame unit body  110  having an elongated construction defining a front side  111 , a rear side  112 , a width W from the front side  111  to the rear side  112 , a first end  113 , a second end  114  and a length L from the first end  113  to the second end  114 . The coupling connectors  12  are provided at the first end  113  and the second end  114  of the frame unit body  110  respectively. The sheet-like object is arranged to be positioned through the rear side  112  of the frame unit body  110  of the frame unit  11 . Through providing frame units  11  of different length L, a frame structure of different size and dimension can be formed. In other words, a user is capable of buying mix and match frame units  11  to make a DIY frame. 
         [0049]    It is worth mentioning that each of the frame unit  11  may have different structural construction for its frame unit body  10 . For example, as shown in  FIG. 2  of the drawings, the frame includes four frame units  11  in which one frame unit  11 A has a U-shaped cross section defining a clipping arm  1101 A and the other three frame units  11 B have a block-like cross section. The frame unit  11 A with the clipping arm  1101 A is arranged to connecting to the other three frame units  11 B in such a manner that the clipping arm  1101 A is used to hold a sheet-like object such as a picture or a poster onto the frame. In other words, at least one frame unit  11  has the clipping arm  1101 A for holding a sheet-like object. 
         [0050]    Referring to  FIGS. 3A to 3D  of the drawings, the coupling connector  12  for connecting two frame units  11  comprises a first locking member  121  and a second locking member  122  complement to the first locking member  121  in such a manner that the first locking member  121  and the second locking member  122  are coupled with each other to lock into position. As shown in  FIGS. 3A and 3B  of the drawings, the first locking member  121  and the second locking member  122  are provided on at the first end  113  and the second end  114  of the frame unit body  110  of each frame unit  11 . In other words, two pairs of frame units  11  of equal length L can be used to construct a rectangular frame or four frame units  11  of equal length L can be used to construct a square frame. Accordingly, mass production of the frame unit  11  can be facilitated and the production cost can be reduced. 
         [0051]    In particular, as shown in  FIGS. 3A and 3B , the second locking member  122  is a receiving cavity  122 A ( 122 B) and the first locking member  121  is a protruded member  121 A ( 121 B) complement to the receiving cavity  122 A ( 122 B) arranged for inserting into the receiving cavity  122 A ( 122 B) for connecting two frame units  11  into position. Preferably, as shown in  FIG. 3A , the protruded member  121 A is resilient, having a tapered end portion  1211 A and an enlarged base portion  1212 A for preventing unintentional loosening of the protruded member  121 A from the receiving cavity  122 A. Alternatively, as shown in  FIG. 3B , the protruded member  121 B is rigid and cylindrical in structure and is complement to the receiving cavity  122 B arranged for inserting into the receiving cavity  122 E to secure into position. 
         [0052]    As shown in  FIG. 3C  of the drawings, the second locking member  122  is a receiving groove  122 C and the first locking member  121  is a protruded member  121 C complement to the receiving groove  122 C arranged for sliding into the receiving groove  122 C for connecting two frame units  11  into position. 
         [0053]    Alternatively, as shown in  FIG. 3D  of the drawings, the first locking member  121  is a corner locking member  121 D having a L-shaped structure and the second locking member  122  is a receiving cavity  122 D provided at each of the first end  113  and the second end  114  of the frame unit body  110  of each frame unit  11 . In other words, two pairs of frame units  11  of equal length L can be used to construct a rectangular frame or four frame units  11  of equal length L can be used to construct a square frame. Accordingly, mass production of the frame unit  11  can be facilitated and the production cost can be reduced. 
         [0054]    Alternatively, as shown in  FIGS. 6 ,  7 B and  7 C of the drawings the coupling connector  12  is a bracket-type connector  12 A having a shape complement to the frame arrangement  30  arranged for embracing and connecting two frame units  11 . In particular, the coupling connector  12  has a L-shaped structure having two coupling aims  121 E,  122 E and providing two coupling grooves  123 E,  124 E through the two coupling arms  121 E,  122 E respectively for receiving and coupling the two frame units  11 . 
         [0055]    Alternative positioning arrangements  30  are illustrated in  FIGS. 4A to 4G  of the drawings. In particular, the positioning arrangement  30  comprises a positioning unit  32  arranged for providing a biasing portion  323  for positioning a sheet-like object onto the frame and a positioning support  31  provided through the frame unit  11  supporting the positioning unit  32 . 
         [0056]    For example, referring to  FIGS. 4A ,  4 D and  4 E of the drawings, the positioning support  31  is a support coupling hole  311  provided on the frame unit  11  and the positioning unit  32  comprises a supporting arm  321  connected to the support coupling hole  311  the frame unit  11  to secure into position and a resilient biasing arm  322  integrally extended from the supporting arm  321  such that the biasing portion  323  is provided through the biasing arm  322  and is arranged for pressing towards the frame unit body  110  of the frame unit  11 , thereby a sheet-like object can be positioned onto the frame. As shown in  FIGS. 4A and 4D  of the drawings, a sheet-like object can be positioned onto the frame through the biasing portion  323  biasing against the sheet-like object towards the frame unit body  110  of the frame unit  11 . In other words, a poster can be inserted between the biasing portion  323  and the frame body  110  of the frame unit  11  through the positioning arrangement  30  to secure into position. As shown in  FIG. 4E  of the drawings, a sheet-like object can be positioned onto the frame through the biasing portion  323  biasing against the sheet-like object. In other words, a poster can be supported and positioned through the biasing portion  323  while the biasing portion  323  is supported by the frame body  110  of the frame unit  11  through the positioning arrangement  30  to secure into position. 
         [0057]    As shown in  FIG. 4A  of the drawings, the supporting arm  321  has a L-shaped structure and the biasing arm  322  has a U-shaped structure. As shown in  FIG. 4D  of the drawings, the supporting arm  321  has a I-shaped structure and the biasing arm  322  has a U-shaped structure. Preferably, the supporting arm  321  is resilient and bendable for angle adjustment to fit the position of the positioning support  31 . For example, the supporting arm  321  may be bent from an I-shaped structure to a L-shaped structure. 
         [0058]    As shown in  FIG. 4E  of the drawings, the supporting arm  321  has a I-shaped structure and the biasing arm  322  has a U-shaped structure while the positioning unit  32  further comprises a handle portion  324  integrally and outwardly extended from the biasing arm  322  for providing a handle for easy gripping and manipulation. 
         [0059]    Referring to  FIG. 4B and 4C  of the drawings, the positioning support  31  is a support coupling through-hole  311 A provided on the frame unit  11  and the positioning unit  32  comprises a supporting aim  321  penetrating through and connected to the support coupling through-hole  311 A the frame unit  11  to secure into position and a biasing arm  322  integrally extended from the supporting arm  321  such that the biasing portion  323  is provided through the biasing arm  322  and is arranged for pressing towards the frame unit body  110  of the frame unit  11 , thereby a sheet-like object can be pressed against the frame body  110  of the frame unit  11  by the biasing portion  323  to secure into position. 
         [0060]    As shown in  FIG. 4C  of the drawings, the supporting arm  321  may further provide a supporting arm lock  3211  to reinforce the connection between the supporting arm  321  and the support coupling through-hole  311 A of the positioning support  31  and a handle portion  324  for providing a handle for easy gripping and manipulation. 
         [0061]    For example, referring to  FIGS. 4F and 4G  of the drawings, the positioning support  31  is a support surface  312  on the frame unit body  110  of the frame unit  11  and the positioning unit  32  comprises a supporting arm  321  connected to the support surface  312  of the frame unit  11  to secure into position and a resilient biasing arm  322  integrally extended from the supporting arm  321  such that the biasing portion  323  is provided through the biasing arm  322  and is arranged for pressing towards the supporting arm  321 , thereby a sheet-like object can be positioned between the supporting arm  321  and the biasing arm  322  to mount onto the frame. As shown in  FIGS. 4F and 4G  of the drawings, a sheet-like object can be positioned onto the frame through the biasing portion  323  biasing against the sheet-like object towards the supporting arm  321  which is supported by the frame unit body  110  of the frame unit  11 . In other words, a poster can be inserted between the biasing portion  323  and the supporting arm  321  to secure into position on the frame body  110  of the frame unit  11  through the positioning arrangement  30 . 
         [0062]    Preferably, as shown in  FIGS. 4F ,  4 G,  6 ,  7 A and  7 C of the drawings, a guiding slot  3231  is provided between the supporting arm  321  and the biasing arm  322 . In particular, the guiding slot  3231  is formed by a straight side  32311  and a curved side  32312 . The straight side  32311  is provided through the supporting arm  321  and has a generally flat surface. The curved side  32312  is provided through the biasing arm and has a generally curved surface. The curved side  32312  and the straight side  32311  are overlapped at a first end and are gradually separate to a greater degree towards a second end which is opposite to the first end. In other words, the guiding slot  3231  is constructed to have a width which is gradually decreased from its opening towards its bottom at which the curved side  32312  and the straight side  32311  overlapped with each other, thereby the guiding slot  3231  is capable of guiding an insertion of a sheet-like object entering from its opening which has the greatest width towards its bottom at which the curved side  32312  and the straight side  32311  overlap with each other and provide the biasing portion  323  for securing the sheet-like object into position. 
         [0063]    It is worth mentioning that the biasing arm  322  is resilient in nature and therefore a sheet-like object ranging from a thin sheet of paper such as a poster to a thick photo canvas can be mounted onto the frame. 
         [0064]    Preferably, as shown in  FIGS. 4F and 4G  of the drawings, the supporting arm  321  has a L-shaped connecting surface so that the supporting aim  321  can be mounted onto the support surface  312  of two frame units  11  to secure into position. 
         [0065]    Preferably, as shown in  FIGS. 4G ,  6 ,  7 A and  7 C of the drawings, the positioning unit  32  further defines a junction portion  325  integrally provided between the biasing arm  322  and the supporting arm  321  which is resilient and flexible to provide a position adjustment for the biasing arm  322  to optimize the positioning of the biasing portion  323 . 
         [0066]    It is worth mentioning that the positioning arrangement  30  can be integrally constructed onto the frame unit  11 . As shown in  FIGS. 6 to 7C  of the drawings, the positioning arrangement  30  is integrally extended from and provided on the frame arrangement  30 . The positioning support  31  is provided by the frame unit body  110  of the frame unit  11  and the positioning unit  32  comprises a supporting arm  321  extended from the frame unit  11  and a resilient biasing arm  322  integrally extended from the supporting arm  321  such that the biasing portion  323  is provided through the biasing arm  322  and is arranged for pressing towards the supporting arm  321 , thereby a sheet-like object can be positioned between the supporting arm  321  and the biasing arm  322  to mount onto the frame. 
         [0067]    In particular and preferably, as shown in  FIGS. 6 to 7C  of the drawings, a guiding slot  3231  is provided between the supporting arm  321  and the biasing arm  322 . The guiding slot  3231  is formed by a straight side  32311  and a curved side  32312 . The straight side  32311  is provided through the supporting arm  321  and has a generally flat surface. The curved side  32312  is provided through the biasing arm and has a generally curved surface. The curved side  32312  and the straight side  32311  are overlapped at a first end and are gradually separate to a greater degree towards a second end which is opposite to the first end. In other words, the guiding slot  3231  is constructed to have a width which is gradually decreased from its opening towards its bottom at which the curved side  32312  and the straight side  32311  overlapped with each other, thereby the guiding slot  3231  is capable of guiding an insertion of a sheet-like object entering from its opening which has the greatest width towards its bottom at which the curved side  32312  and the straight side  32311  overlap with each other and provide the biasing portion  323  for securing the sheet-like object into position. 
         [0068]    Referring to  FIGS. 1 and 5  of the drawings, the frame may further include at least one mounting strap unit  41  to enhance the central support of the sheet-like object. The strap unit  41  is arranged for mounting onto the rear side  112  of the frame unit body  110 . In particular, the strap unit  41  has an elongated strap body  411  having two ends  412 ,  413  and two strap connecting holes  414 ,  415  provided at the two ends  412 ,  413  of the strap unit  41 . Accordingly, the strap unit  41  can be connected to the rear side  112  of the frame unit body  110  of the frame unit  11  by a nail, screw of the like. 
         [0069]    It is worth mentioning that, as shown in  FIG. 5  of the drawings, the strap unit  41  can also be connected to the rear side  112  of the frame unit body  110  of the frame unit  11  by connecting to the positioning unit  32  of the positioning arrangement  30 . 
         [0070]    One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting. 
         [0071]    It will thus be seen that the objects of the present invention have been fully and effectively accomplished. It embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.