JP4743626B2 - Sheet storage box - Google Patents

Description

  A bundle of any one of two types of sheets of different sizes can be accommodated, and the center of each sheet can be positioned at the same position when a bundle of sheets of any size is accommodated It relates to a sheet storage box.

Conventionally, as shown in FIG. 12A, this type of sheet storage box is provided with first corner pads 1 fixed at four corners, and the orthogonal wall surfaces 1A and 1B of the first corner pads 1 are relatively long. When the second corner pad 2 is attached to the inside of each first corner pad 1 as shown in FIG. The orthogonal wall surfaces 2A and 2B of the second corner pad 1 are configured to be addressed from both longitudinal and lateral directions with respect to a bundle of sheets 9 having a relatively small size. Thereby, even when a bundle of sheets of any size is accommodated, the center of each sheet can be positioned at the same position. In addition, by positioning the centers of both large and small sheets at the same position, it is possible to easily perform the loading and unloading of the sheets.
JP 2001-58677 A (paragraphs [0030], [0037], FIGS. 3 and 4)

  By the way, in the configuration of the conventional sheet storage box described above, if the reduction amount of the small size sheet 9 with respect to the large size sheet 8 is different in the vertical and horizontal directions, as shown in FIG. , 2, the offset amount L10 between the vertical wall surfaces 1A, 2A is different from the offset amount L11 between the horizontal wall surfaces 1B, 2B, and accordingly, the second corner pads 2, 2 adjacent in the vertical and horizontal directions are adjacent to each other. The planar shapes are different from each other. For this reason, two types of 2nd corner pads 2 from which these plane shapes differ are needed, and a manufacturing cost becomes high.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a sheet storage box that can position and store the centers of large and small sheets of different sizes at the same position and can be manufactured at low cost. To do.

  In order to achieve the above object, a sheet storage box according to the invention of claim 1 includes a rectangular first sheet, and a second sheet whose vertical and horizontal dimensions are reduced from those of the first sheet and whose reduction amounts are different in vertical and horizontal directions. A sheet storage box having a sheet bundle storage portion capable of storing a bundle of one of the selected sheets, provided at the four corners of the sheet bundle storage portion, and each corner of the first sheet bundle A corner support portion having a pair of first positioning surfaces addressed from both the vertical and horizontal directions with respect to the portion and positioning the center of the first sheet at a predetermined position of the sheet bundle accommodating portion; and a bundle of second sheets When the sheet bundle is accommodated in the sheet bundle accommodating portion, a pair of detachably attached to the corner support portions at the four corners of the sheet bundle accommodating portion and addressed from both the vertical and horizontal directions to each corner portion of the second sheet bundle. The second positioning surface of the second A corner part that positions the center of the sheet at the same predetermined position as in the case of the first sheet, and the corner part has a plane symmetrical shape with respect to a horizontal reference plane that horizontally crosses the center in the vertical direction; Each corner support section is configured by reversing the pair of corner parts arranged at one diagonal position of the sheet bundle housing section and the pair of corner parts arranged at the other diagonal position. It has a feature in that it can be attached to.

  According to a second aspect of the present invention, in the sheet storage box according to the first aspect, the corner support portion is formed to extend in the vertical direction, and has a top opening and a side opening that opens to the inside of the sheet bundle storage portion. Further, it has a feature in that it has a holding hole whose back side is wider than the side opening, and a held protrusion that protrudes from the corner part toward the corner support part and is fitted into the holding hole from above.

  According to a third aspect of the present invention, in the sheet storage box according to the second aspect, the held projection is provided at the center in the vertical direction of the corner part, and includes a locking shaft protruding in the vertical direction from the held projection. The corner support portion is characterized in that a shaft receiving hole for receiving the locking shaft and engaging in the horizontal direction is provided.

  According to a fourth aspect of the present invention, in the sheet storage box according to the third aspect, the shaft receiving hole and the locking shaft are not positioned with respect to a 45 degree reference plane that is 45 degrees apart from the pair of first positioning surfaces. It is characterized by being arranged in plane symmetry.

  The invention according to claim 5 is characterized in that, in the sheet storage box according to any one of claims 1 to 4, the corner parts are formed in two colors so that both ends in the vertical direction have different colors.

[Invention of Claim 1]
In the sheet storage box according to claim 1, when storing a bundle of first sheets having a relatively large size in the sheet bundle storage portion, the corner parts are removed from the corner support portions provided at the four corners of the sheet bundle storage portion. Remove it. Then, a pair of first positioning surfaces of each corner support portion are addressed from both the vertical and horizontal directions to each corner portion of the first sheet bundle, and the center of the first sheet is the center of the sheet bundle accommodating portion. Positioned at a predetermined position.
On the other hand, when the second sheet having a relatively small size is accommodated in the sheet bundle accommodating portion, the corner parts are respectively attached to the corner support portions at the four corners of the sheet bundle accommodating portion. Here, since the vertical and horizontal reduction amounts are different between the first and second sheets, the planar shapes of the corner parts adjacent in the vertical and horizontal directions are different and have a line-symmetric relationship with each other.
However, in the present invention, since the corner parts have a plane symmetrical shape with respect to the horizontal reference plane that crosses the center in the vertical direction, four corner parts having the same shape are prepared for one sheet bundle housing portion, The pair of corner parts arranged at one diagonal position of the sheet bundle housing part is mounted on each corner support part by turning the pair of corner parts arranged at the other diagonal position upside down. For example, the planar shapes of corner parts adjacent in the vertical and horizontal directions can be in a line-symmetric relationship with each other. A pair of second positioning surfaces of each corner part is addressed from both the vertical and horizontal directions with respect to each corner portion of the second sheet bundle, and the center of the second sheet is the first sheet. Positioned at the same predetermined position.
Thus, according to the sheet storage box of the present invention, the centers of large and small sheets of different sizes can be positioned and stored at the same position, and all four corner parts attached to the sheet bundle storage unit are the same. It becomes possible to manufacture the sheet storage box at a low cost in the shape.

  In the present invention, “the center of the sheet” refers to the centroid of the planar shape of the sheet. The material of the first and second sheets may be any of paper, resin, metal and the like. Further, one or a plurality of sheet bundle accommodation units may be provided in one sheet accommodation box.

[Invention of claim 2]
According to the configuration of claim 2, when the corner parts are respectively attached to the corner support part from above, the held protrusions protruding from the corner parts are brought into the inside from the upper surface opening of the holding hole formed in the corner support part. Inserted. At this time, the base end portion of the held protrusion is in a state of penetrating the side opening of the holding hole inward and outward. And since the back | inner side is wider than the side part opening, the corner part is hold | maintained so that a corner part cannot move horizontally.

[Inventions of Claims 3 and 4]
According to the configuration of the third aspect, when the corner part is mounted on the corner support portion, the locking shaft of the corner part is received in the shaft receiving hole of the corner support portion and is engaged with the receiving hole in the horizontal direction. The horizontal fixing with respect to the corner support portion is reliably performed. Here, as in the configuration of claim 4, if the shaft receiving hole and the locking shaft are arranged asymmetrically with respect to a 45-degree reference plane that is 45 degrees apart from the pair of first positioning surfaces, respectively. When the corner parts are mounted in the opposite direction to the normal direction with respect to the corner support part, the locking shaft interferes with the edge of the shaft receiving hole, and the mounting is restricted, making it easy for incorrect mounting You can notice.

[Invention of claim 5]
According to the configuration of claim 5, since the corner parts are formed in two colors so that both ends in the vertical direction have different colors, each corner part is attached to each corner support part in a normal orientation. The corner parts placed in the diagonal position of the sheet bundle storage section are the same color, and the corner parts adjacent to each other in the vertical and horizontal directions are different colors. You can easily notice.

[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1A, the sheet storage box 10 of the present embodiment has a rectangular planar shape and an open top surface, and is divided into a total of four sheet bundle storage portions 11 in the vertical and horizontal directions. ing. As shown in FIGS. 1A and 1B, one bundle of L-size printer paper 91 or S-size printer paper 92 can be selected and stored in each sheet bundle storage section 11. it can.

  The L size printer paper 91 corresponds to a “first sheet” according to the present invention, and the S size printer paper 92 corresponds to a “second sheet” according to the present invention. Both the printer papers 91 and 92 are rectangular, and the S size printer paper 92 is smaller in both vertical and horizontal dimensions than the L size printer paper 91 (that is, reduced in size), and The vertical and horizontal reduction amounts are different.

  Further, as shown in FIG. 1A, a partition sheet 93 of approximately the same size as the L size printer sheet 91 is inserted into a bundle of L size printer sheets 91 every predetermined number of sheets. A plurality of protruding pieces 93A protrude from the side edge. Further, as shown in FIG. 1B, a partition paper 94 of approximately the same size as the S size printer paper 92 is inserted into a bundle of S size printer paper 92 every predetermined number of sheets. A plurality of protruding pieces 94A project from the side edge.

  A bundle of the printer sheets 91 and 92 is stored with the long sides of the printer sheets 91 and 92 facing in the same direction as the long side of the sheet storage box 10. Then, in order to position the bundle of L-size printer paper 91 in both the vertical and horizontal directions in the horizontal plane, corner support portions 13 are provided at the four corners of each sheet bundle accommodating portion 11, and a bundle of S-size printer paper 92 is placed. Corner parts 30 are attached to each corner support portion 13 for positioning in both the vertical and horizontal directions in the horizontal plane. Hereinafter, the direction in which the long side of the sheet storage box 10 extends is referred to as the horizontal direction, and the direction in which the short side extends is referred to as the vertical direction. First, the corner support portions 13 positioned at the four corners of the sheet storage box 10 will be described.

  Support base protrusions 12 bulging inward are provided at the four corners of the entire sheet storage box 10. The support base protrusion 12 has a prismatic structure extending in the vertical direction, and is a surface between the ends of a pair of prismatic side walls 12S and 12S that rises at right angles from the vertical side wall 10A and the horizontal side wall 10B of the sheet storage box 10. The structure is provided with a take-up wall 12T.

  From the position close to the support base protrusion 12 in the vertical side wall 10A, the lateral support protrusion wall 14X projects at a right angle inside, and the lateral position is determined at a right angle from the tip of the horizontal support protrusion wall 14X toward the support base protrusion 12 side. The base wall 15X is overhanging. Similarly, from the position close to the support base projection 12 on the lateral side wall 10B, the vertical support projection wall 14Y protrudes at a right angle inside, and from the tip of the vertical support projection wall 14Y to the support base projection 12 side at a right angle. The vertical positioning base wall 15Y protrudes. These horizontal and vertical support protrusion walls 14X and 14Y and positioning base walls 15X and 15Y both extend in the vertical direction and have the same height as the support base protrusion 12. The first horizontal positioning surface 15X1 facing the inside of the sheet bundle housing portion 11 in the lateral positioning base wall 15X and the first vertical surface facing the inside of the sheet bundle housing portion 11 in the vertical positioning base wall 15Y. The positioning surface 15Y1 constitutes “a pair of first positioning surfaces” according to the present invention.

  As shown in FIG. 4, in the region surrounded by the support base protrusion 12 and both the vertical and horizontal support protrusion walls 14X and 14Y, connecting reinforcing walls 16 and 16 are formed in the middle in the vertical direction. One connection reinforcing wall 16 has a substantially L-shaped planar shape having two sides along the lateral support protrusion wall 14X and the vertical side wall 10A, and the other connection reinforcement wall 16 includes the vertical support protrusion wall 14Y and the horizontal side wall 10B. And has a substantially L-shape in a planar shape having two sides along. As shown in FIG. 5, a holding hole constituting wall 19 is formed from the inner edge of each communication reinforcing wall 16 to the bottom of the sheet storage box 10.

  A shaft receiving hole 17 is formed from each communication reinforcing wall 16 to each holding hole constituting wall 19. The shaft receiving hole 17 is arranged at the inner edge of each communication reinforcing wall 16 and has a slit shape extending in the vertical direction. The upper end opens to the communication reinforcing wall 16 and the lower end is the middle of the holding hole constituting wall 19. Extends to position. Further, a locking protrusion 38 is formed on the edge of the shaft receiving hole 17 on the outer surface of the holding hole constituting wall 19 from the upper end of the shaft receiving hole 17 to the middle portion.

As shown in FIG. 7, a portion surrounded by the both holding hole constituting walls 19 and 19 and the chamfered wall 12 </ b> T is a holding hole 18 according to the present invention. The holding hole 18 has a substantially hexagonal planar shape, and is opened to the inside of the sheet bundle housing portion 11 through the side opening 18A between the lateral positioning base wall 15X and the vertical positioning base wall 15Y. The holding hole 18 has a non-plane-symmetric shape with respect to a 45-degree reference plane S1 that is 45 degrees away from the first lateral positioning surface 15X1 and the first vertical positioning surface 15Y1. Further, the shaft receiving holes 17 and 17 are arranged in a non-plane symmetry with respect to the 45-degree reference plane S1.
The above is description of the structure of the corner support part 13 arrange | positioned at the four corners of the sheet | seat storage box 10. FIG.

  As shown in FIG. 3, side support is formed by combining two corner support portions 13 at the four corners of the sheet storage box 10 at the center of each vertical side wall 10 </ b> A and each side wall 10 </ b> B of the sheet storage box 10. Each island 20 is formed. Further, a central support island 21 formed by combining four corner support portions 13 at the four corners of the sheet storage box 10 stands from the vertical and horizontal central portions on the bottom surface of the sheet storage box 10. The corner support portions 13 of the sheet bundle storage portions 11 are constituted by the corner support portions 13 of the side support islands 20 and the central support island 21 and the corner support portions 13 of the four corners of the sheet storage box 10. Has been.

  In addition, on the bottom portion of each sheet bundle storage portion 11 in the sheet storage box 10, a mounting table 25 for projecting the outer edge portions of the respective printer sheets 91 and 92 from the bottom surface of the sheet storage box 10 is formed to protrude. ing. A pin hole 12 </ b> P for positioning the entire sheet storage box 10 is formed on the upper surface of the support base protrusion 12 by inserting a positioning pin (not shown).

  As shown in FIG. 5, the corner part 30 has a structure that extends in the vertical direction and protrudes the held projection 35 from the center in the vertical direction to the side. Further, the corner part 30 has a plane symmetrical shape with respect to a horizontal reference plane S2 that horizontally crosses the center in the vertical direction.

  Specifically, as shown in FIG. 8, the corner part 30 includes a vertical positioning offset wall 33 </ b> A that is parallel to the horizontal positioning base wall 15 </ b> Y when mounted on the corner support portion 13, and a horizontal positioning base wall. A lateral positioning offset wall 32A that is parallel to 15X and a connecting wall 34 that is parallel to the chamfered wall 12T of the support base protrusion 12 are provided.

  An inclined wall 32B is connected to one side edge of the lateral positioning offset wall 32A, and the inclined wall 32B is gently bent to the outside of the sheet bundle housing portion 11 and connected to the connecting wall 34. Further, a vertical rib 32C projects from the other side edge portion of the lateral positioning offset wall 32A toward the outside of the sheet bundle housing portion 11. Further, a lateral rib 32D is provided at the center of the inclined wall 32B in the vertical direction, and the lateral rib 32D abuts on the first lateral positioning surface 15X1 of the corner support portion 13. As a result, the second lateral positioning surface 31X1 provided on the opposite side of the lateral positioning base wall 15X in the lateral positioning offset wall 32A is the sheet storage box by a predetermined offset amount L1 with respect to the first lateral positioning surface 15X1. 10 are arranged on the inner side in the horizontal direction.

  The corner part 30 is provided with a cylindrical section having a pentagonal cross section including the vertical positioning offset wall 33A as one side, and a cylindrical wall 33B connected to one side edge of the vertical positioning offset wall 33A among the cylindrical sections is provided. The sheet bundle accommodating portion 11 is gently bent outward and connected to the connecting wall 34. And the wall part 33C parallel to the vertical positioning offset wall 33A among the cylindrical parts abuts on the vertical positioning base wall 15Y. Accordingly, the second vertical positioning surface 31Y1 on the opposite side of the wall portion 33C of the vertical positioning offset wall 33A is in the vertical direction of the sheet storage box 10 by a predetermined offset amount L2 with respect to the first vertical positioning surface 15Y1. Arranged inside. The vertical offset amount L2 is larger than the horizontal offset amount L1.

  In the present embodiment, the second horizontal positioning surface 31X1 and the second vertical positioning surface 31Y1 described above correspond to “a pair of second positioning surfaces” according to the present invention.

  As shown in FIG. 5, the held projection 35 has a plate shape and projects from the center in the vertical direction of the corner part 30 toward the corner support portion 13. The planar shape of the held projection 35 is substantially the same as that of the holding hole 18 as shown in FIG.

  The held projection 35 is provided with a pair of reinforcing walls 37 and 37 extending in the vertical and horizontal directions of the sheet storage box 10. Each reinforcing wall 37 protrudes in both the upper and lower directions of the held protrusion 35 and protrudes ahead of the tip edge of the held protrusion 35. Then, as shown in FIG. 5, prismatic locking shafts 36 extend from the front ends of the reinforcing walls 37 in both the upper and lower directions. In addition, a retaining protrusion 36 </ b> A protrudes laterally from the center in the vertical direction of each locking shaft 36.

  This completes the description of the configuration of the sheet storage box 10 of the present embodiment. Next, the function and effect of the sheet storage box 10 will be described.

  In order to attach the corner part 30 to the corner support part 13 of the sheet bundle accommodating part 11, it is performed as follows. That is, as shown in FIGS. 3 to 5, the corner part 30 is disposed above any corner support portion 13, and as shown in the lower side of FIG. The second lateral positioning surface 31X1 is directed inward in the lateral direction (left-right direction in FIG. 2) of the sheet storage box 10, and the second vertical positioning surface 31Y1 is directed in the vertical direction (vertical direction in FIG. 2). )

  Then, as shown in an enlarged view in FIG. 8, the wall portion 33C of the corner part 30 is set along the first vertical positioning surface 15Y1 of the corner support portion 13, and the lateral positioning offset wall 32A of the corner part 30 is corner-supported. The corner part 30 is pushed down along the first vertical positioning surface 15Y1 of the portion 13. Then, the locking shaft 36 of the corner part 30 and the tip of the reinforcing wall 37 are inserted into the shaft receiving hole 17 of the corner support part 13, and then the held projection 35 of the corner part 30 is held in the holding hole of the corner support part 13. 18 is inserted. At this time, the base end portion of the held projection 35 is in a state of penetrating into and out of the holding hole 18 through the side opening 18A (see FIG. 7) of the holding hole 18.

  When the corner part 30 is further pushed down, the held projection 35 moves to the back side of the holding hole 18 and the retaining protrusion 36A of the locking shaft 36 shown in FIG. When the lower end of the corner part 30 reaches the bottom wall of the sheet storage box 10 as it slides in contact with the ridge 38, the retaining protrusion 36A engages with the lower end of the engagement ridge 38 as shown in FIG. Thus, the corner part 30 is prevented from coming off by the corner support portion 13.

  In this state, the locking shaft 36 is horizontally engaged with the holding hole constituting wall 19 that forms the back portion of the shaft receiving hole 17, and the held projection 35 is wider on the back side than the side opening 18A. The inner surface of the holding hole 18 is engaged. Thereby, the corner part 30 is positioned and fixed in the horizontal direction with respect to the corner support portion 13. Here, the shape of the holding hole 18 of each corner support portion 13 and the arrangement of the shaft receiving holes 17, 17 and the shape of the held projection 35 and the arrangement of the locking shafts 36, 36 corresponding thereto are described above. As shown in FIG. 9, when the corner parts 30 are mounted in the wrong direction on the corner support portion 13 as shown in FIG. The edges of the shaft receiving hole 17 interfere with each other, and the edges of the holding hole 18 and the held projection 35 interfere with each other, so that the corner part 30 is restricted from being attached to the corner support part 13. As a result, it is possible to easily recognize that the attachment is incorrect.

  Next, an operation when the L size printer paper 91 or the S size printer paper 92 is stored in the sheet bundle storage unit 11 will be described. In the sheet storage box 10, when storing a bundle of L-size printer paper 91 in the sheet bundle storage portion 11, the corner parts 30 are removed from the corner support portions 13 provided at the four corners of the sheet bundle storage portion 11. Just keep it. Then, as shown in the upper side of FIG. 2, the first lateral positioning surface 15X1 and the first vertical positioning surface 15Y1 included in each corner support portion 13 are viewed from both the longitudinal and lateral directions with respect to the respective corner portions of the bundle of the printer paper 91. The center of the printer paper 91 is positioned at a predetermined position of the sheet bundle accommodating portion 11.

  On the other hand, when the S-size printer paper 92 is accommodated in the sheet bundle accommodating portion 11, the corner parts 30 are respectively attached to the corner support portions 13 at the four corners of the sheet bundle accommodating portion 11, as shown in the lower side of FIG. Installing. Here, since the L size printer paper 91 and the S size printer paper 92 have different horizontal and vertical reduction amounts L1 and L2 (see FIG. 8), the horizontal or vertical direction in the sheet bundle accommodating portion 11 is different. The planar shapes of the adjacent corner parts 30, 30 are different and have a line-symmetric relationship with each other.

  However, in the present embodiment, the corner parts 30 have a plane symmetrical shape with respect to the horizontal reference plane S2 (see FIG. 5) that crosses the center in the vertical direction. Four parts 30 are provided, and as shown in FIG. 4, a pair of corner parts 30, 30 arranged at one diagonal position of each sheet bundle accommodating portion 11 is at the other diagonal position. If the pair of corner parts 30 and 30 to be arranged are turned upside down and attached to each corner support portion 13, as shown in FIG. 2, the planar shapes of the corner parts 30 adjacent to each other vertically and horizontally are lined up with each other. It can be a symmetric relationship. Then, the second horizontal positioning surface 31X1 and the second vertical positioning surface 31Y1 of each corner part 30 are addressed from both the vertical and horizontal directions to the respective corner portions of the bundle of the printer paper 92, and the S size printer paper 92 is formed. The center is positioned at the same predetermined position as in the case of the L size printer paper 91.

  As described above, according to the sheet storage box 10 of the present embodiment, the center of large and small sheets having different sizes can be positioned and stored at the same position, and can be attached to the common sheet bundle storage unit 11. It becomes possible to manufacture the sheet storage box 10 at a low cost by making all the corner parts 30 the same shape.

[Second Embodiment]
This embodiment is shown in FIG. 10 and FIG. 11, and is different from the above embodiment only in that the corner part 30 is two-color molded. That is, as shown in FIG. 10, the corner part 30 of the present embodiment is molded with a resin having different colors on one end side and the other end side with the horizontal reference plane S2 as a boundary, and the first colored end on the one end side. The portion 30A and the second colored end portion 30B on the other end side can be easily identified visually.

  According to the configuration of the present embodiment, when the corner parts 30 are normally attached to the respective corner support portions 13 at the four corners of the sheet bundle accommodating portion 11, as shown in FIG. 11, corner parts 30, 30 with the first colored end portions 30 </ b> A, 30 </ b> A facing upward are arranged at one diagonal position, and the second colored end portions 30 </ b> B, 30 </ b> B are at the upper side at the other diagonal position. Corner parts 30, 30 facing the front are arranged.

  That is, when the corner parts 30 are normally attached to the respective corner support parts 13, the corner parts 30, 30 arranged at the diagonal positions of the sheet bundle accommodating part 11 have the same color and are vertically and horizontally. Adjacent corner parts 30, 30 have different colors, and if not, it can be easily noticed that they are mismounted.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

(1) Although the sheet storage box 10 of the first and second embodiments is configured to store the printer paper 91 and 92, a square sheet metal, a resin plate, a film, or the like according to the present invention is used. And it is good also as a structure accommodated as a 2nd sheet | seat.

(2) Although the interior of the sheet storage box 10 of the first and second embodiments is divided into four sheet bundle storage portions 11, the sheet storage box 10 may be configured to include one sheet bundle storage portion 11. A configuration in which a plurality of sheet bundle accommodating portions 11 other than four are provided may be employed.

(3) Although the sheet storage box 10 of the first and second embodiments includes a plurality of sheet bundle storage portions 11 of the same size, the sheet storage box 10 may include a plurality of sheet bundle storage portions 11 of different sizes. Good.

(4) In the first and second embodiments, the large and small printer papers 91 and 92 that can be accommodated in the sheet storage box 10 are both rectangular, but either one of the printer papers may be square. .

The perspective view of the sheet storage box concerning a 1st embodiment of the present invention. Partial plan view of sheet storage box Perspective view of sheet storage box Partial perspective view of sheet storage box Partial perspective view of sheet storage box before corner parts are mounted Partial perspective view of sheet storage box after corner parts are mounted Partial plan view of sheet storage box before corner parts are mounted Partial plan view of sheet storage box after corner parts are installed Partial plan view of sheet storage box when corner parts are installed incorrectly The perspective view of the corner parts of 2nd Embodiment Partial plan view of sheet storage box after corner parts are installed Plan view of a conventional sheet storage box Plan view of a conventional sheet storage box

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Sheet storage box 11 Sheet bundle storage part 13 Corner support part 15X1 1st horizontal positioning surface 15Y1 1st vertical positioning surface 16 Connection reinforcement wall 17 Shaft receiving hole 18 Holding hole 18A Side part opening 30 Corner parts 31X1 2nd horizontal position Determining surface 31Y1 Second vertical positioning surface 35 Holding protrusion 36 Locking shaft 91 L size printer paper (first sheet)
92 S size printer paper (second sheet)
S1 45 degree reference plane S2 Horizontal reference plane

Claims (5)

Sheet bundle accommodation that can accommodate a bundle of one sheet selected from a rectangular first sheet and a second sheet that is reduced in length and breadth from the first sheet and whose amount of reduction is different in length and breadth A sheet storage box having a portion,
A pair of first positioning surfaces provided at four corners of the sheet bundle housing portion and addressed from both the vertical and horizontal directions with respect to each corner portion of the bundle of the first sheets, and the center of the first sheet A corner support portion for positioning the sheet bundle receiving portion at a predetermined position;
When the second sheet bundle is accommodated in the sheet bundle accommodating portion, it is detachably attached to the corner support portions at the four corners of the sheet bundle accommodating portion, and is attached to each corner portion of the second sheet bundle. A pair of second positioning surfaces addressed from both the vertical and horizontal directions, and a corner part that positions the center of the second sheet at the same predetermined position as that of the first sheet,
The corner parts have a plane symmetrical shape with respect to a horizontal reference plane that horizontally crosses the center in the vertical direction, and a pair of the corner parts that are disposed at one diagonal position of the sheet bundle housing portion; A sheet storage box, wherein a pair of the corner parts arranged at the other diagonal position can be mounted on each corner support portion by reversing each other upside down. A holding hole which is formed in the corner support portion and extends in the vertical direction, has a top surface opening and a side opening which opens to the inside of the sheet bundle housing portion, and the back side is wider than the side opening;
The sheet storage box according to claim 1, further comprising a held protrusion that protrudes from the corner part toward the corner support portion and is fitted into the holding hole from above. The held protrusion is disposed at the center in the vertical direction of the corner part,
A locking shaft protruding in the vertical direction from the held protruding portion,
The sheet storage box according to claim 2, wherein a shaft receiving hole that receives the locking shaft and engages in the horizontal direction is provided in the corner support portion.   The said shaft receiving hole and the said latching shaft are arrange | positioned non-plane-symmetrically with respect to the 45 degree | times reference plane which respectively left | separated 45 degree | times from the said 1st pair of 1st positioning surface. Sheet storage box. The sheet storage box according to any one of claims 1 to 4, wherein the corner part is formed in two colors so that both ends in the vertical direction have different colors.