JP2018089342A - Shelf board bracket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shelf board bracket that facilitates fixation and release relative to a post.SOLUTION: A shelf board bracket 101 includes a fixation part 102 that is attachably/detachably fixed to a post and a support member 103 that is for supporting a shelf board. The fixation part 102 is provided with a holder 104 and a slider 105, and is fixed to the post by clamping the post between the holder 104 and the slider 105. The support member 103 is supported on the holder 104 in a freely rotatable manner around a pivot C101 and is provided with a cam curved face 130. With the support member 103 rotating from an upper position to a lower position, the cam curved face 130 pressurizes the slider 105 to the post, with the post clamped between the holder 104 and the slider 105. With the support member 103 rotating from the lower position to the upper position, the pressurization of the slider 105 to the post by the cam curved face 130 is released.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a shelf board support for attaching a shelf board such as a pallet attached to a column of a fixture.

  Conventionally, the storage space of a fixture has been effectively used by dividing the storage space of the fixture vertically by using an auxiliary plate made of a pallet or the like. The auxiliary plate is mounted and supported on a shelf support fixed to each of a plurality of support columns provided in the fixture, and each shelf support is generally fixed to the support by a bolt. (For example, patent document 1).

JP 2009-203070 A

  To adjust the height of the support in the above shelf support tool, first loosen the bolt to release the fixation to the support, slide the shelf support tool to adjust the position, and then retighten the bolt and fix it again. It was necessary and the work was complicated.

  It is an object of the present invention to provide a shelf board support that can be easily fixed and released from a support.

  The shelf board support tool of the present invention includes a fixing portion that is detachably fixed to a support column, and a support member for supporting the shelf board, and the fixing portion is a first holder with respect to the holder and the holder. A sliding portion that is slidable in a predetermined direction, and the fixing portion is fixed to the support by sandwiching the support between the holder and the slide, and the support member is the holder And a cam curved surface, the swivel axis extending in a second predetermined direction perpendicular to the first predetermined direction, and the support member extending in a second direction about the swivel axis. When turning from the predetermined position to the first predetermined position, the cam curved surface presses the slide portion against the support column, and the support member moves from the first predetermined position to the second predetermined position about the turning axis. When swiveled, the cam curved surface Characterized in that the pressing is released for the strut of the id portion.

  Further, the shelf support of the present invention, the slide portion has a contact portion that contacts the cam curved surface, with reference to the first predetermined direction and a third predetermined direction perpendicular to the second predetermined direction, The contact position between the contact portion and the cam curved surface is deviated from the pivot shaft.

  Further, the shelf board support of the present invention is such that the slide portion includes a slide main body portion and a contact portion attached to the slide main body portion, and the cam curved surface comes into contact with the contact portion and The amount of protrusion of the abutment portion from the slide main body portion can be adjusted by pressing the slide portion against the support column.

  The shelf board support of the present invention includes a fixing part that is detachably fixed to a support column, a support member for supporting the shelf board, and a cam mechanism, and the fixing part includes a holder and the holder The fixed portion is fixed to the support by sandwiching the support between the holder and the slide, and the support member has a pivot shaft. When the cam mechanism pivots in a predetermined direction with respect to the fixed portion at the center, the cam mechanism slides the holder in the first direction with respect to the slide portion to sandwich the support column between the holder and the slide portion, When the support member pivots about the pivot axis with respect to the fixed portion in a direction opposite to the predetermined direction, the cam mechanism moves the holder relative to the slide portion in a second direction opposite to the first direction. To slide to And butterflies.

  Further, in the shelf support of the present invention, the cam mechanism is held by the slide portion so as to be rotatable about the pivot axis, and the rotation portion is rotatably held around the rotation axis. An eccentric collar, wherein the support member is pivotably supported with respect to the slide portion via the rotating portion, the rotating shaft is eccentric with respect to the pivot shaft, and the eccentric collar is The holder is held so as to be rotatable with respect to the holder and movable in a third direction orthogonal to the first direction.

  The shelf board support of the present invention is characterized in that a support portion is provided on the upper surface of the support member, and the upper surface of the support portion is curved.

  According to the shelf support of the present invention, when the support member turns from the second predetermined position to the first predetermined position, the cam curved surface presses the slide portion against the support column, and the support member When turning from the first predetermined position to the second predetermined position, the pressing of the slide portion by the cam curved surface against the support column is released, so that the support member only needs to be turned between the first predetermined position and the second predetermined position. It is possible to easily adjust the height of the shelf support, which is fixed and released from the column.

  Further, in the third predetermined direction, the contact position between the contact portion and the cam curved surface is deviated from the pivot shaft, so that the support member is further placed in the state where the support member is positioned at the first predetermined position. Even if a force acting in a direction away from the second predetermined position is applied, rattling of the fixed portion can be suppressed.

  According to the shelf support of the present invention, when the support member is positioned at the first predetermined position, the rotating unit presses the slide unit against the column, and the column is sandwiched between the holder and the slide unit, and the support member When the rotary member turns to the second predetermined position around the turning axis, the pressing of the slide portion by the rotating portion is released, so that the support member can be simply turned between the first predetermined position and the second predetermined position. Is fixed and released, so that the height of the shelf support can be easily adjusted.

  According to the shelf supporter of the present invention, when the support member pivots in a predetermined direction, the cam mechanism slides the holder in the first direction with respect to the slide part, and the support column is moved to the holder and the slide part. Therefore, the shelf support can be fixed to the column by easily holding the column between the holder and the slide portion by simply turning the support member in a predetermined direction. Further, when the support member turns in the reverse direction, the cam mechanism slides the holder in the second direction opposite to the first direction with respect to the slide portion, so that the user moves the support member in the reverse direction. The shelf support can be easily fixed to the support column simply by turning, and the height of the shelf support can be easily adjusted without using bolts or the like.

The schematic perspective view which shows the usage method of the shelf support which concerns on 1st Embodiment of this invention. The side view of the shelf board support shown in FIG. The top view of the shelf support shown in FIG. It is the IV-IV sectional view taken on the line of FIG. 2, (a) shows the state fixed with respect to the support | pillar, (b) shows the state which the fixation with respect to the support | pillar was cancelled | released. The perspective view of the shelf board support shown in FIG. The perspective view which shows the state which removed the attachment pin from the shelf board support tool shown in FIG. FIG. 7 is an exploded perspective view of the shelf board support shown in FIG. 6. It is a side view of the shelf support according to the second embodiment of the present invention, (a) shows a state that is fixed to the support column, (b) is a diagram showing a state that is fixed to the support column. . IX-IX sectional view taken on the line of Fig.8 (a). The perspective view of the shelf board support shown in FIG. FIG. 9 is an exploded perspective view of the shelf board support shown in FIG. 8. (A) is the XIIa-XIIa sectional view taken on the line of FIG. 10, (b) is a figure which shows the state which turned the support member upward from the state shown to (a). The perspective view of the shelf board support tool which concerns on 3rd Embodiment of this invention. It is sectional drawing of the shelf support part shown in FIG. 13, Comprising: (a) shows the state in which the supporting member was positioned in the downward position, (b) shows the state in which the supporting member was positioned in the upper position.

[First Embodiment]
Hereinafter, a shelf board support according to a first embodiment of the present invention will be described with reference to the accompanying drawings. As shown in FIG. 1 to FIG. 3, the shelf support 1 according to the present embodiment is mounted on each of a plurality of support columns Ra of the fixture R, and a shelf (not shown) such as a pallet is moved downward. A fixed portion 2 that is detachably fixed to the column Ra, a support member 3 for supporting the shelf board, and a cam mechanism 6 that couples the fixed portion 2 and the support member 3 to each other. Prepare.

  4 and 5, the fixing portion 2 includes a holder 4 having a substantially square U-shaped cross section, and a pair of slide portions 5 that are slidably held in the front-rear direction D <b> 1 with respect to the holder 4. The fixing unit 2 is fixed to the column Ra by sandwiching the column Ra between the holder 4 and the slide unit 5. The holder 4 includes a pair of guide portions 41 that face each other in the left-right direction D2, and a connection portion 42 that connects the rear ends of the guide portions 41. In the example shown in FIG. 4, the support column Ra has a rectangular cross section, and the connection portion 42 has an inner surface 42 a that extends in a tapered shape toward the front corresponding to the corner portion of the support column Ra.

  Each guide portion 41 includes a C-shaped guide rail, and includes a flat plate portion 41a and a pair of guide flanges 41b extending inward from both edges in the vertical direction D3 of the flat plate portion 41a. As shown in FIG. 6, the flat plate portion 41a is provided with a vertically long guide hole H1.

  Each slide portion 5 is held between a pair of upper and lower guide flanges 41 b of the guide portion 41 and is slidable in the front-rear direction D <b> 1 with respect to the holder 4. Further, the rear end surface 5a of each slide portion 5 is inclined outward in the left-right direction D2 rearward so as to be able to come into surface contact with the support column Ra.

  The support member 3 is configured in a rod shape extending in the front-rear direction D1, and a support portion 9 is provided at a front portion of the upper surface 3a. The upper surface 9a of the support portion 9 is a curved surface that protrudes upward, and more specifically, an arch-shaped surface that extends in an arch shape in a side view.

  With reference to FIGS. 4 and 7, the cam mechanism 6 includes a rotating portion 61, a pair of eccentric collars 62, and a pair of mounting pins 63. The rotating portion 61 is fixed to a rear portion of the support member 3, and both end portions in the left-right direction D <b> 2 are accommodated and held rotatably in insertion holes H <b> 2 provided in each slide portion 5. With this configuration, the support member 3 moves together with the rotating portion 61 between the lower position (horizontal position) indicated by the solid line in FIG. 2 and the upper position indicated by the broken line with the pivot axis C1 (that is, the center of the rotating portion 61 extending in the left-right direction D2). It is possible to turn around the line. Further, the rear end 3b of the support member 3 has an R shape, and prevents the rear end 3b of the support member 3 from interfering with the support column Ra when the support member 3 is turned about the turning axis C1.

  The pair of eccentric collars 62 are rotatably inserted and held on both the left and right sides of the rotating portion 61, and the rotation axis C2 (the center line of the eccentric collar 62 extending in the left-right direction D2) is eccentric with respect to the turning axis C1. Further, as shown in FIGS. 4 and 6, the lateral end D <b> 2 outer end portion of each eccentric collar 62 is inserted and held in the guide hole H <b> 1 of the guide portion 41. The guide hole H1 is a long hole that is long in the vertical direction D3. The eccentric collar 62 held in the guide hole H1 is allowed to move in the longitudinal direction of the guide groove H1, that is, in the vertical direction D3, but in the longitudinal direction D1. Is not allowed to move. Each mounting pin 63 is inserted into the corresponding eccentric collar 62 from the outside of the holder 2 to hold the eccentric collar 62 and the rotating portion 61.

  Therefore, when the user turns the support member 3 from the lower position indicated by the solid line in FIG. 2 to the upper position indicated by the dotted line, the rotating unit 61 rotates about the turning axis C1 and rotates about the turning axis C2 (eccentric) with respect to the turning axis C1. The phase of the collar 62) is displaced. Accordingly, the eccentric collar 62 moves upward with respect to the slide portion 5 by being displaced upward in the guide hole H1, and the holder 4 is pushed by the rotating portion 61 and moves backward with respect to the slide portion 5. . In other words, the slide portion 5 moves forward relative to the holder 4 by the amount of eccentricity of the eccentric collar 62. Thereby, as shown in FIG. 4A, the holder 4 is released from the fixing position where the support Ra is held between the inner surface 42a and the slide portion 5 as shown in FIG. It moves to the non-fixed position, and the fixing of the shelf support 1 to the column Ra is released.

  On the other hand, when the user turns the support member 3 from the upper position indicated by the dotted line in FIG. 2 to the lower position (horizontal position) indicated by the solid line, the eccentric collar 62 is displaced downward in the guide hole H1 along with the eccentric amount. The holder 4 moves forward relative to the slide portion 5. As a result, the holder 4 moves from the non-fixed position shown in FIG. 4B to the fixed position shown in FIG. 4A, and the column Ra is held between the rear end surface 5a of the slide portion 5 and the inner surface 42a of the holder 4. The shelf support 1 is fixed to the column Ra.

  Therefore, when adjusting the height of the shelf support 1 with respect to the column Ra, the shelf 3 is released from being fixed to the column Ra by turning the support member 3 upward. What is necessary is just to slide the support tool 1 to an arbitrary height position and return the support member 3 to the lower position and fix it to the column Ra.

  Then, by fixing a plurality of shelf board supports 1 to the plurality of columns Ra in this way, a shelf board (not shown) can be placed and held on the plurality of support members 3. . At this time, the lower surface of the shelf board is supported in contact with the curved upper surface 9 a of the support portion 9.

  As described above, according to the shelf support 1 of the present embodiment, the shelf support 1 is fixed and released from the support column Ra only by rotating the support member 3 up and down. 1 can be easily adjusted.

  As described above, since the support portion 9 has the arch-shaped upper surface 9a, the lower surface of the shelf board is supported in line contact with any part of the upper surface 9a. Therefore, even if the fixed location with respect to the support | pillar Ra of the some shelf support 1 is somewhat shifted | deviated to the up-down direction D3, a shelf can be hold | maintained stably.

[Second Embodiment]
Next, a shelf support according to a second embodiment of the present invention will be described. As shown in FIGS. 8 and 9, the shelf board support 101 of the present embodiment includes a fixing portion 102 that is detachably fixed to the support column Ra, and a support member 103 that supports the shelf board.

  The fixed portion 102 includes a holder 104 and a slide portion 105 that is slidably held in the front-rear direction D1 with respect to the holder 104. The support portion Ra is sandwiched between the holder 104 and the slide portion 105 to hold the support column Ra. Fixed to Ra.

  As shown in FIGS. 10 and 11, the holder 104 includes a pair of left and right holder members 140, and the pair of holder members 140 defines a space S having a substantially rectangular shape in plan view through which the column Ra is inserted. More specifically, each holder member 140 includes a rear portion 140a and a front portion 140b extending in the front-rear direction D1, and an intermediate portion 140c positioned between the rear portion 140a and the front portion 140b. The intermediate portion 140c is a column Ra. Is bent in a substantially square shape in plan view so as to spread in a tapered shape toward the inner side in the left-right direction D2. The pair of holder members 140 are connected to each other by a bolt B (connector) inserted through the rear portion 140a and screwed into the nut N. Therefore, by adjusting the tightening degree of the bolt B, the width dimension of the holder 104 in the left-right direction D2 can be adjusted. Further, the front part 140b is located outside the rear part 140a in the left-right direction D2, and even when the rear parts 140a are brought into contact with each other as shown in FIG. A predetermined interval is provided.

  The slide part 105 is disposed between the pair of front parts 140 b of the holder 104 and includes a slide main body part 150 and a contact part 155 attached to the slide main body part 150. The slide main body 150 includes a front plate portion 151, and an upper plate portion 152 and a lower plate portion 153 that extend rearward from the upper end and the lower end of the front plate portion 151, respectively. The left and right ends of the upper plate portion 152 extend somewhat outward in the left-right direction D2 from the left and right ends of the rear plate portion 151, and the extended portions slide the rear portions 140b of the holder 104 from the vertical direction D3. It functions as flange portions F1 and F2 (FIG. 10) that are freely supported. Further, rear ends 152a and 153a (FIG. 11) of the upper plate portion 152 and the lower plate portion 153 are cut out in a substantially letter shape in plan view corresponding to the corner portions of the column Ra.

  The abutting portion 155 extends forward from the front surface (front plate portion 151) of the slide main body portion 150, and is configured by a bolt screwed to the front plate portion 151 in the present embodiment. In such a configuration, by rotating the bolt (contact portion 155), the forward protrusion amount of the contact portion 155 from the slide main body 150 can be adjusted. The length dimension at can be adjusted. Thus, the contact part 155 functions as a length adjustment part.

  The support member 103 is disposed between the front portions 140b of the holder 104, and is supported by the holder 104 so as to be rotatable about a turning axis C101 extending in the left-right direction D2. Further, as shown in FIG. 12, the support member 103 is provided with a cam curved surface 130 from the rear end to the upper surface. That is, the center point P of the cam curved surface 130 is offset from the turning axis C101 of the support member 103.

  In such a configuration, the support member 103 pivots about the pivot axis C101 from the upper position (second predetermined position) shown in FIG. 12B to the lower position (horizontal position, first predetermined position) shown in FIG. Then, since the center point P of the cam curved surface 130 moves relatively rearward with respect to the turning axis C101, the cam curved surface 130 comes into contact with the contact portion 155 of the slide portion 105, and the slide portion 105 is moved with respect to the column Ra. Press. Accordingly, the support column Ra is firmly held by the holder 104 and the slide unit 105, and the fixing unit 102 is fixed to the support column Ra.

  When the support member 103 turns from the lower position shown in FIG. 12 (a) toward the upper position shown in FIG. 12 (b), the center point P of the cam curved surface 130 moves relatively forward with respect to the turning axis C101. In order to move, the cam curved surface 130 is separated from the contact portion 155, and the pressing of the slide portion 105 against the column Ra is released.

  Therefore, when adjusting the height of the shelf support member 101 with respect to the support column Ra, the support member 103 is pivoted upward to release the shelf support device 101 from being fixed to the support column Ra. May be slid in the vertical direction D3 to an arbitrary height position, and the support member 103 may be returned to the lower position and fixed to the column Ra. In addition, when the slide part 105 is slid forward along the holder 104 after the fixing to the support Ra is released, a gap is formed between the support Ra and the slide 105, and thus the shelf board support 101 is easily slid. Alignment can be made easier.

  Thus, also in the shelf board support tool 101 of the present embodiment, the shelf board support tool 101 is fixed and released from the support column Ra simply by turning the support member 103 up and down. Position adjustment can be easily performed.

  Moreover, in the shelf board support tool 101 of this embodiment, since the width dimension of the holder 104 in the left-right direction D2 and the amount of protrusion of the abutting portion 155 in the forward direction can be adjusted, it is also suitable for the columns Ra having different thicknesses. Yes.

  That is, when used for a column Ra that is thicker than a predetermined size, the distance between the pair of holder members 140 is adjusted according to the thickness of the column Ra, and the width of the holder 104 is adjusted. At this time, the holder member 140 is connected by the bolt B in a state where the rear portions 140a do not contact each other. Further, the protruding amount of the contact portion 155 is reduced so that the fixing portion 102 is fixed to the support column Ra in a state where the support member 103 is positioned at the lower position. Thus, when the thick support column Ra is used, the support member 103 is fixed to the support column Ra before the support member 103 reaches the horizontal position (that is, in a state where the support member 103 is inclined obliquely upward and forward). Can be prevented.

[Third Embodiment]
Next, a shelf support 201 according to a third embodiment of the present invention will be described with reference to FIGS. Since the shelf support 201 is similar to the shelf support 101 described above, only differences from the shelf support 101 will be described here. The shelf board support 201 includes a fixing portion 202 that is detachably fixed to the support column Ra, and a support member 203 that supports the shelf board.

  The fixed portion 202 includes a holder 204 and a slide portion 205 that is slidably held in the front-rear direction D1 with respect to the holder 204, and the support column Ra is sandwiched between the holder 204 and the slide unit 205, thereby supporting the support column Ra. Fixed to Ra.

  The holder 204 is substantially the same as the holder 104 of the second embodiment, but differs in that a pair of left and right holder portions 240 are integrally formed and does not have a portion corresponding to the rear portion 140a. The slide portion 205 is substantially the same as the slide portion 105 of the second embodiment. However, as shown in FIG. 12, the contact portion 155 is provided at the same height position as the turning axis C101 in the slide portion 105. On the other hand, the present embodiment is different in that the contact portion 155 is positioned below the turning axis C101 as shown in FIG.

  The support member 203 is substantially the same as the support member 103 of the second embodiment, but has a cam curved surface 230 having a slightly different shape from the cam curved surface 130 of the second embodiment. This is because the contact portion 155 is provided below the pivot axis C101 in this embodiment, and the cam curved surface 230 is formed when the support member 203 is positioned at the lower position shown in FIG. This is to make contact with the contact portion 155. As a result, as shown in FIG. 14A, the contact position A between the contact portion 255 and the cam curved surface 230 is positioned below the turning axis C101.

  Thus, in this embodiment, since the height position of the contact part 255 is different from the height position of the turning axis C101, in the state where the support member 203 is positioned at the lower position shown in FIG. Even if a force that pushes down the support member 203 acts, the holder 204 does not rattle. That is, in the second embodiment, the height position of the turning axis C101 and the height position of the contact portion 155 (more specifically, the height position of the contact position between the contact portion 155 and the cam curved surface 130) are set. Therefore, in the state where the support member 103 is positioned at the lower position shown in FIG. 12A, if a force that further pushes down the support member 103 acts, the force component does not act in the front-rear direction D1. It works only in the vertical direction D3 and the holder 104 rattles. On the other hand, in this embodiment, even when a force that further pushes down the support member 203 is applied in a state where the support member 203 is positioned at the lower position shown in FIG. Since it works in D3 and also in the front-rear direction D1, rattling of the holder 204 is suppressed.

  In the present embodiment, the contact portion 155 is attached below the center of the slide main body 150 in the vertical direction D3. Thereby, even if the contact portion 155 is pushed backward by a strong force by the support member 203, the deformation of the slide main body portion 150 can be prevented. That is, in the second embodiment, the contact portion 155 is provided at the center of the slide body portion 150 in the vertical direction D3. Therefore, when the contact portion 155 is pushed backward with a strong force, the slide body portion 150 is pressed. However, in this embodiment, such deformation can be avoided.

  The shelf support according to the embodiment of the present invention has been described above with reference to the accompanying drawings. However, the present invention is not limited to the embodiment, and various modifications and corrections can be made without departing from the scope of the present invention. Is possible.

  For example, in the first embodiment, the upper surface 9a of the support portion 9 is arched, but may be hemispherical instead. In this case, the lower surface of the shelf board makes point contact with any part of the upper surface 9a, but this also makes it possible to hold the shelf board stably. In the first embodiment, the support member 3 and the rotation unit 61 are separate members. However, the support member 3 and the rotation unit 61 may be integrally formed.

  Moreover, you may provide the support part 9 of 1st Embodiment in the supporting members 103 and 203 of the shelf board support tools 101 and 201 which concern on 2nd and 3rd Embodiment. Furthermore, in the third embodiment, the holder 104 of the second embodiment may be used instead of the holder 204.

DESCRIPTION OF SYMBOLS 1, 101, 201 Shelf board support tool 2,102,202 Fixing part 3,103,203 Support member 4,104,204 Holder 5,105,205 Slide part 6 Cam mechanism 61 Rotating part 62 Eccentric collar 130,230 Cam curved surface C1, C101 Rotating axis C2 Rotating axis

Claims (6)

A fixing part that is detachably fixed to the column;
A support member for supporting the shelf board,
The fixed portion includes a holder and a slide portion that is slidable in a first predetermined direction with respect to the holder, and the fixed portion sandwiches the support column between the holder and the slide portion. Fixed to the column,
The support member is supported by the holder so as to be pivotable about a pivot axis, has a cam curved surface, and the pivot axis extends in a second predetermined direction perpendicular to the first predetermined direction,
When the support member pivots from the second predetermined position to the first predetermined position about the pivot axis, the cam curved surface presses the slide portion against the support column,
When the support member pivots from the first predetermined position to the second predetermined position about the pivot axis, the pressing of the slide portion against the column by the cam curved surface is released. .   The slide portion has an abutting portion that abuts the cam curved surface, and the abutting portion and the cam curved surface are in contact with each other with reference to the first predetermined direction and a third predetermined direction perpendicular to the second predetermined direction. The shelf support according to claim 1, wherein the contact position is deviated from the pivot axis. The slide portion includes a slide main body portion and a contact portion attached to the slide main body portion,
The cam curved surface abuts against the abutting portion and presses the slide portion against the column,
The shelf board support tool according to claim 1, wherein an amount of protrusion of the contact portion from the slide main body portion is adjustable. A fixing part that is detachably fixed to the column;
A support member for supporting the shelf board;
A cam mechanism,
The fixed portion includes a holder and a slide portion that is slidable with respect to the holder, and the fixed portion is attached to the support by sandwiching the support between the holder and the slide. Fixed,
When the support member pivots in a predetermined direction with respect to the fixed portion about the pivot axis, the cam mechanism slides the holder in the first direction with respect to the slide portion, and the support column is moved to the holder and the slide portion. Between them,
When the support member pivots about the pivot axis with respect to the fixed portion in a direction opposite to the predetermined direction, the cam mechanism moves the holder with respect to the slide portion in a second direction opposite to the first direction. A shelf board support characterized by sliding in a direction. The cam mechanism includes a rotating part that is rotatably held around the pivot axis on the slide part, and an eccentric collar that is held rotatably around the rotating axis at the rotating part,
The support member is pivotally supported with respect to the slide part via the rotating part,
The rotating shaft is eccentric with respect to the pivot axis;
The shelf support according to claim 4, wherein the eccentric collar is held so as to be rotatable with respect to the holder and movable in a third direction orthogonal to the first direction.   The shelf support according to claim 4 or 5, wherein a support portion is provided on the upper surface of the support member, and the upper surface of the support portion is curved.

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