JP3225300U - rack - Google Patents

Abstract

An object of the present invention is to provide a rack which can effectively utilize an upper space of an article and is excellent in convenience. A rack (2) includes a frame and a plurality of shelves (6). The frame has a plurality of columns 8, a plurality of left and right members 10, and a plurality of side members 12. The plurality of columns 8 include two front columns 8a and two rear columns 8b. The plurality of left and right members 10 include a plurality of front members 10a extending horizontally between two front columns 8a and a plurality of rear members 10b extending horizontally between two rear columns 8b. A shelf receiving portion 38 is constituted by the front member 10a and the rear member 10b located at the same height. A plurality of shelf receiving portions 38 having different height positions are provided. Each of the shelves 6 can be placed at any position in the plurality of shelf receivers 38. The rack 2 has an article placement space S1 that is opened forward below the lowermost shelf receiving portion 38. [Selection diagram] FIG.

Description

  The present invention relates to a rack. More specifically, the present invention relates to a rack that enables efficient use of the head space of an article.

  Japanese Utility Model Registration No. 3086658 discloses a rack that can effectively use the upper space of a washing machine.

Japanese Utility Model Registration No. 3086658

  For articles with a low height, such as a washing machine, the upper space can be effectively used. The present inventor has found a new structure for a rack that can effectively use the upper space of an article. According to this structure, convenience which has not been achieved in the past can be obtained.

  The present invention provides a convenient rack that can effectively utilize the space above the articles.

  In one aspect, a rack includes a frame and a plurality of shelves. The frame has a plurality of columns, a plurality of left and right members, and a plurality of side members. The plurality of struts include two front struts and two rear struts. The plurality of left and right members include a plurality of front members extending horizontally between the two front struts and a plurality of rear members extending horizontally between the two rear struts. The front member and the rear member at the same height position constitute a shelf receiving portion. A plurality of the shelf receiving portions having different height positions are provided. Each of the shelves can be placed at an arbitrary position in a plurality of the shelf receiving portions. This rack has an article arrangement space opened forward below the lowermost shelf receiving portion.

  According to one aspect, a rack that can effectively utilize the space of articles and is excellent in convenience can be provided.

FIG. 1 is a front view of a rack according to an embodiment. FIG. 2 is a side view of the rack of FIG. FIG. 3 is a front view of the rack of FIG. However, in FIG. 3, the width of the rack is wider than in FIG. In FIG. 3, a laundry basket is placed. FIG. 4 is a side view of FIG. FIG. 5 is a perspective view of the rack of FIG. However, in FIG. 5, the width of the rack is wider than in FIGS. 1 and 3. FIG. 6 is a perspective view of a shelf plate used in the rack of FIG. FIG. 6 is a perspective view seen from obliquely below.

  Hereinafter, embodiments will be described in detail with reference to the drawings as appropriate.

  FIG. 1 is a front view of a rack 2 according to one embodiment. FIG. 2 is a side view of the rack 2. FIG. 3 is a front view of the rack. However, in FIG. 3, the width of the rack 2 is wider than in FIG. In FIG. 3, a laundry basket is placed. FIG. 4 is a side view of the rack 2 of FIG. FIG. 5 is a perspective view of the rack 2. However, in FIG. 5, the width of the rack 2 is wider than in FIGS. 1 and 3.

  The rack 2 includes a frame 4 and a plurality of shelves 6. The frame 4 is formed only of a bar member. The rack 2 has no back plate. The rack 2 has no side plate. In addition, a plate-shaped member may be provided in a part of the frame 4. For example, the frame 4 may have a side plate.

  In the present embodiment, all the shelves 6 have the same dimensions. All shelves 6 are identical. Shelf boards 6 having different dimensions (for example, width) may be mixed.

  The frame 4 has a plurality of columns 8, a plurality of left and right members 10, a plurality of side members 12, and an article placement space S1 formed from a lower end of the column 8 to a predetermined height position and opened forward. are doing. An article placed on the installation surface FL can be arranged in the article arrangement space S1. The support 8 is a rod member. The left and right members 10 are rod members. The side member 12 is a rod member.

  The rack 2 has four columns 8. The lower end of each column 8 is in contact with the ground surface on which the frame 4 is installed. Each strut 8 extends straight. Each column 8 extends along the vertical direction. The support 8 may have a bent portion. The plurality of columns 8 include two front columns 8a and two rear columns 8b.

  The rack 2 has six shelves 6. Each shelf 6 is placed horizontally. Each shelf plate 6 is only placed and is detachable. The position of each shelf 6 can be arbitrarily selected. The number of shelves 6 used in the rack 2 can be appropriately set in consideration of the use of the rack 2 and the width of the rack 2 at the time of use. Some shelves 6 may not be used.

  The left and right members 10 include a front member 10a and a rear member 10b. Each front member 10a extends horizontally between the two front supports 8a. Each front member 10a connects the right front support 8a and the left front support 8a. Each rear member 10b extends horizontally between the two rear columns 8b. Each rear member 10b connects the right rear support 8b and the left rear support 8b.

  In all the left and right members 10, the length of the left and right members 10 is adjustable. That is, the length of all the front members 10a is adjustable, and the length of all the rear members 10b is adjustable. In the present embodiment, all the left and right members 10 have a double pipe structure. The double pipe has a large-diameter pipe, a small-diameter pipe inserted into the large-diameter pipe, and a stopper screw 10c. With this double pipe structure, the left and right members 10 can expand and contract. Although not shown, the stopper screw 10c is screwed into a screw hole of the large-diameter pipe, and its tip abuts on the small-diameter pipe. By tightening the stopper screw 10c, the relative position between the large-diameter pipe and the small-diameter pipe is fixed, and the length of the left and right members 10 is fixed. The expansion and contraction mechanism of the left and right members 10 is not limited to the double pipe mechanism. All the stopper screws 10c have the same horizontal position. When adjusting the width of the rack 2, it is necessary to operate all the stopper screws 10c, but since the positions in the left and right directions are the same, this operation is easy. Further, since each of the left and right members 10 can rotate about the axis, the projecting direction of the stopper screw 10c can be changed. In FIG. 1 and the like, the projecting direction of the stopper screw 10c is downward, but this projecting direction can be, for example, horizontal or upward.

  By changing the length of the left and right members 10, the width of the rack 2 changes. For example, the width of the rack 2 can be changed according to the width of the articles arranged in the article arrangement space S1.

  In the state of FIG. 1, the width of the rack 2 is substantially equal to the width when two shelf boards 6 are arranged in parallel. In the state shown in FIG. 3, the width of the rack 2 is substantially equal to the width of the three shelves 6 arranged in parallel. In the state of FIG. 5, the width of the rack 2 is wider than the width of the three shelves 6 arranged in parallel. As described above, in the rack 2, the length of the adjustable left and right members 10 includes a length such that two shelf boards 6 can be arranged side by side on the shelf receiving portion 38. In addition, the length of the adjustable left and right members 10 includes a length such that three shelf boards 6 can be arranged side by side on the shelf receiving portion 38. Further, the length of the adjustable left and right members 10 includes a length such that the width of the shelf receiving portion 38 is larger than the width of the three shelf boards 6 arranged in parallel. The length of the adjustable left and right members 10 may include a length such that the width of the shelf receiving portion 38 can arrange four shelf boards 6 in parallel.

  Each side member 12 extends between the front support 8a and the rear support 8b. The side member 12 connects the front support 8a and the rear support 8b. Each side member 12 extends in the horizontal direction. The side member 12 may be inclined with respect to the horizontal direction.

  The rack 2 has a reinforcing portion 14 extending between the rear members 10b. The reinforcing portion 14 connects the rear members 10b to each other. The reinforcing portion 14 increases the rigidity of the rack 2.

  The front members 10a of the left and right members 10 include a first front member 20 at a first height position and a second front member 22 at a second height position. Further, the front member 10a has a third front member 24 at a third height.

  The rear member 10b of the left and right members 10 includes a first rear member 30 at the first height position and a second rear member 32 at the second height position. Further, the rear member 10b has a third rear member 34 at the third height.

  The front member 10a and the rear member 10b located at the same height position constitute a shelf receiving portion 38. The shelf receiving section 38 has a first shelf receiving section 40, a second shelf receiving section 42, and a third shelf receiving section 44 in order from the lower side. The first shelf receiver 40 is the lowermost shelf receiver 38. An article placement space S1 opened forward is formed below the first shelf receiver 40. The front member 10a is not provided below the first front member 20. There is no member provided below the first front member 20 for connecting the front columns 8a. The article placement space S1 is open forward.

  The first shelf receiving section 40 includes a first front member 20 and a first rear member 30. The second shelf receiving portion 42 includes the second front member 22 and the second rear member 32. The third shelf receiving portion 44 includes the third front member 24 and the third rear member 34. Thus, a plurality of shelf receiving portions 40, 42, and 44 having different heights are formed.

  Each shelf 6 is placed on the left and right members 10 in a state of being bridged between the front member 10a and the rear member 10b at the same height position. That is, each shelf board 6 is placed on the shelf receiving portion 38. The front end of the shelf 6 is placed on the front member 10a. The rear end of the shelf 6 is placed on the rear member 10b.

  FIG. 6 is a perspective view of the shelf 6. FIG. 6 is a perspective view of the shelf 6 viewed from below. The shelf 6 has a main body 6a and an engaging portion 6b. The main body 6a is a flat plate. The main body 6a is a rectangular flat plate. The main body 6a is a wooden board. The main body 6a has an upper surface 62 and a lower surface 64. The engaging portion 6b is provided on the lower surface 64. The main body 6a is a decorative board. The main body 6a is a PVC decorative plate to which a printed vinyl chloride film is attached. Other types of decorative boards may be used. A wooden board that is not a decorative board may be used. A board other than a wood board may be used.

  A plurality of (four) engaging portions 6b are provided on one shelf plate 6. The four engagement portions 6b are provided near the four corners of the lower surface 64, respectively.

  The plurality of engaging portions 6b include a front engaging portion 66 and a rear engaging portion 68. The front two of the four engagement portions 6b are front engagement portions 66. The rear two of the four engagement portions 6b are rear engagement portions 68.

  In a state of being placed on the shelf receiving portion 38, the front engaging portion 66 is engaged with the front member 10a. The front engagement portion 66 contacts the rear side of the front member 10a. As a result, the movement of the shelf 6 to the front side is restricted. Further, in a state of being placed on the shelf receiving portion 38, the rear engaging portion 68 is engaged with the rear member 10b. The rear engagement portion 68 contacts the front side of the rear member 10b. As a result, the rearward movement of the shelf 6 is restricted. The front engagement portion 66 and the rear engagement portion 68 restrict the movement of the shelf 6 in the front-rear direction. Simply placing the shelf 6 on the shelf receiving portion 38 restricts the movement of the shelf 6 in the front-rear direction. The shelf plate 6 does not fall off only by being placed on the shelf receiving portion 38. Therefore, the shelf plate 6 functions as a shelf plate simply by being placed on the shelf receiving portion 38. The shelf 6 can move in the left-right direction. As described above, the engaging portion 6b of the shelf 6 is engaged with the left and right members 10 (the front member 10a and the rear member 10b), thereby restricting the movement of the shelf 6 in the front-rear direction. However, there is a play in which the shelf 6 can slightly move in the front-back direction.

  For example, the front engagement portion 66 may abut on the front side of the front member 10a, and the rear engagement portion 68 may abut on the rear side of the rear member 10b. Also in this case, the movement of the shelf 6 in the front-rear direction is restricted. It is preferable that the movement of the shelf 6 in the front-rear direction is restricted only by placing the shelf 6 on the shelf receiving portion 38.

  The front member 10a is not provided from the lower end of the column 8 to a predetermined height position. The front member 10a is not provided from the installation surface FL on which the rack 2 is placed to a predetermined height position. As a result, an article arrangement space S1 opened forward is formed in a portion from the installation surface FL to the lowermost front member 10a. The lowermost front member 10 a is the first front member 20. An article arrangement space S1 is formed in a portion from the installation surface FL to the first front member 20. Therefore, an article placed on the installation surface FL can be arranged in the article arrangement space S1. In FIG. 1, the washing machine 70 is indicated by a virtual line. For example, the washing machine 70 is arranged in the article arrangement space S1. Although the washing machine 70 shown in FIG. 1 is a drum type, the washing machine 70 may be, for example, a vertical type. In the case of a vertical washing machine, the position of the first front member 20 may be adjusted upward. Thus, the space above the washing machine 70 can be effectively used by the rack 2.

  The width of the rack 2 can be adjusted according to the articles placed in the article placement space S1 and other situations. For example, the width of the rack 2 can be adjusted according to the width of the washing machine 70. For example, when the washing machine 70 is placed on the waterproof pan, the width of the rack 2 can be adjusted according to the width of the waterproof pan. The articles arranged in the article arrangement space S1 are not limited, and any articles can be arranged.

  As shown in FIG. 2, the left and right members 10 are fixed to the columns 8 by screws 72. The support column 8 is provided with a plurality of screw holes 74 corresponding to the screws 72. For this reason, the fixing position of the left and right members 10 on the column 8 can be changed.

  The height position of the lowest shelf receiving portion 38 is adjustable. In other words, the height position of the first shelf receiver 40 is adjustable. By adjusting the height position, the height of the article placement space S1 can be changed. The height of the article placement space S1 can be changed according to the articles placed in the article placement space S1.

  The rack 2 has a wire net portion 76. The wire net portion 76 is provided on a side surface of the rack 2. For example, an S-shaped hook can be hooked on the wire net portion 76. The wire net portion 76 further enhances the convenience of the rack 2.

  In FIG. 5, what is indicated by a double-headed arrow D1 is the distance between the front member 10a and the rear member 10b at the same height. That is, D1 is the distance between the front member 10a and the rear member 10b in the shelf receiving portion 38. This interval D1 is measured along the front-back direction. The front-back direction is a horizontal direction and a direction perpendicular to the axial direction of the left and right members 10.

  FIGS. 3 and 4 show the laundry basket 80. By setting the interval D1 to a predetermined value, the laundry basket 80 can be placed between the front member 10a and the rear member 10b in an inclined state. In light of inclining the laundry basket of general dimensions at a suitable angle, the interval D1 is preferably equal to or greater than 300 mm and equal to or less than 420 mm, and more preferably equal to or greater than 320 mm and equal to or less than 400 mm. In the present embodiment, the interval D1 is 361 mm to 364 mm.

  In the rack 2, the first shelf receiving portion 40, the second shelf receiving portion 42, and the third shelf receiving portion 44 have the same interval D1. Therefore, the laundry basket 80 can be placed on any of the shelf receiving portions 38 in an inclined state. Further, the laundry basket 80 can be placed on the shelf receiver 38 even in a horizontal state.

  In FIG. 6, what is indicated by the double-headed arrow D2 is the depth of the shelf 6. When the shelf 6 is placed on the shelf receiving portion 38, the depth of the shelf 6 is the length of the shelf 6 in the front-rear direction. The length D2 is set corresponding to the interval D1. The length D2 is preferably a length obtained by adding X mm to the interval D1. From the viewpoint of securing the front end placed on the front member 10a and the rear end placed on the rear member 10b, X is preferably 20 mm or more, more preferably 30 mm or more, and even more preferably 35 mm or more. From the viewpoint of making the size of the shelf 6 correspond to the depth of the rack 2, this X is preferably 80 mm or less, more preferably 70 mm or less, and even more preferably 60 mm or less. In the present embodiment, the depth length D2 is 400 mm.

  In FIG. 6, what is indicated by the double-headed arrow W2 is the width of the shelf 6. When the shelf 6 is placed on the shelf receiving portion 38, the width of the shelf 6 is the length of the shelf 6 in the left-right direction. If the width W2 is too small, the articles placed on one shelf 6 are limited. Also, if the width W2 is too small, the number of shelf boards 6 necessary to secure a desired shelf width may be too large. In these respects, the width W2 is preferably equal to or greater than 200 mm, and more preferably equal to or greater than 250 mm. If the width W2 is excessively large, the degree of freedom of arrangement on the plurality of shelves 6 decreases. In this respect, the width W2 is preferably equal to or less than 400 mm, and more preferably equal to or less than 350 mm. In the present embodiment, the width W2 is 300 mm.

  1 and 3, the width of the rack 2 is indicated by a double-headed arrow W1. This width W1 is a distance between (the inside of) the left front support 8a and (the inside of) the right front support 8a. The width W1 is measured along the horizontal direction. As described above, in the rack 2, the width W1 can be adjusted. The width W1 can be adjusted in a range from a minimum value to a maximum value. The width W1 can be adjusted steplessly.

  In order to increase the maximum value of the width W1 in the double pipe structure, it is necessary to secure the length of the double pipe in the most contracted state. In this respect, the minimum value of the width W1 is preferably equal to or greater than 500 mm, more preferably equal to or greater than 550 mm, and still more preferably equal to or greater than 580 mm. In consideration of the limit of the length adjustment of the left and right members 10, the maximum value of the width W1 is preferably 1300 mm or less, more preferably 1250 mm or less. In the present embodiment, the minimum value of the width W1 is 600 mm, and the maximum value of the width W1 is 1120 mm.

  In FIG. 1, what is indicated by the double-headed arrow H1 is the height of the shelf receiving portion 38 located at the lowermost side. The height H1 is a vertical distance from the horizontal installation surface FL to a lower side of the front member 10a (first front member 20). Height H1 is adjustable.

  In light of enabling the washing machine to be arranged in the article arrangement space S1, the minimum value of the height H1 is preferably equal to or greater than 950 mm, more preferably equal to or greater than 980 mm, and more preferably equal to or greater than 1000 mm. In light of effective use of the upper space of the article, the minimum value of the height H1 is preferably equal to or less than 1200 mm, and more preferably equal to or less than 1100 mm.

  Such a rack 2 has the following operational effects.

  In the rack 2, each of the plurality of shelves 6 can be arranged at an arbitrary position of the shelf receiving portion 38. The shelf 6 can be arranged on any of the first shelf receiving portion 40, the second shelf receiving portion 42, and the third shelf receiving portion 44. In each shelf receiving section 38, the position in the left-right direction is also arbitrary. Further, the shelf 6 may not be placed. Therefore, in the plurality of shelves 6, the degree of freedom of arrangement is high. For example, as shown in FIG. 5, the shelf 6 is arranged in the first shelf receiver 40, and the shelf 6 is not arranged in the second shelf receiver 42 above the shelf 6. Tall articles can be placed on the shelves 6. In addition, since the shelf 6 is not disposed, an article such as the laundry basket 80 that can be favorably placed without the shelf 6 can be placed on the shelf receiver 38. Since the position where the shelf plate 6 is not arranged is also free, the position where the laundry basket 80 and the like are placed is also free.

  Installation of the shelf 6 is achieved simply by placing it. Since the movement in the front-rear direction is restricted only by mounting, the work of fixing the shelf 6 is unnecessary. The shelf 6 can be slid in the left-right direction. Therefore, the shelf 6 can be easily attached and detached and moved.

  Since all the shelves 6 are the same, the shelves 6 are compatible with each other. For this reason, the intended arrangement of the shelf boards 6 can be easily realized. In addition, by arranging the shelves 6 side by side, a continuous and flat wide shelf can be formed. When the shelves 6 are arranged side by side, the side surfaces of the shelves 6 abut each other. As a result, a shelf surface having no steps or gaps at the boundary between the shelf plates 6 can be formed. By arranging the shelf plates 6, a wide shelf surface having no steps or gaps can be formed.

  By adjusting the width of the rack 2, it is possible to cope with the width of various articles including a washing machine and a waterproof pan. Further, a washing machine or the like may be placed in a space having a limited width, and the rack 2 can also accommodate the width of this space. The rack 2 can be placed in, for example, a kitchen or a living room. In this case, the width of the rack 2 can correspond to the width of an article placed in the article placement space S1, and a place where the rack 2 is installed. Can be made to correspond to the width. The rack 2 can be used without placing anything in the article placement space S1, and in this case, the article placement space S1 can be used as a space.

  As shown in FIG. 1, the width W1 can be adjusted according to the total width (ie, W2 × 2) when the two shelves 6 are arranged in parallel. In this case, the shelf receiving portion 38 can be filled with the two shelves 6. Further, as shown in FIG. 3, the width W1 of the rack 2 can be adjusted according to the total width (that is, W2 × 3) when the three shelves 6 are arranged in parallel. In this case, the shelf receiving portion 38 can be filled with the three shelves 6.

  By arranging the shelves 6 side by side, the width of the shelves can be increased. Therefore, an article wider than the width W2 of the shelf 6 can be placed.

  A portion without the shelf plate 6 is provided, and the laundry basket 80 can be arranged in this portion in an inclined state. The laundry basket 80 can be arranged with its opening facing diagonally forward. For this reason, taking out the laundry from the laundry basket 80 and taking in the laundry into the laundry basket 80 can be easily achieved. Therefore, the movement of the laundry from the washing basket 80 to the washing machine 70 is easy, and the movement of the laundry from the washing machine 70 to the washing basket 80 is also easy.

  For example, if the shelf is inclined and the laundry basket 80 is placed on the inclined shelf, the laundry basket 80 can be inclined. However, in the rack 2, the washing basket 80 can be placed obliquely on the shelf receiving portion 38 on which the shelf plate 6 can be installed horizontally. Therefore, it is not necessary to provide an inclined shelf board, and the versatility of the shelf receiving portion 38 is high. In the plurality of shelf receiving portions 38 having different heights, the position of each shelf plate 6 is free, and the position of the laundry basket 80 is also free.

  Thus, the convenience of the rack 2 is high.

Regarding the above-described embodiment, the following supplementary notes are disclosed.
[Appendix 1]
It has a frame and a plurality of shelves,
The frame has a plurality of columns, a plurality of left and right members, and a plurality of side members,
The plurality of struts include two front struts and two rear struts,
The plurality of left and right members include a plurality of front members extending horizontally between the two front struts and a plurality of rear members extending horizontally between the two rear struts,
A shelf receiving portion is configured by the front member and the rear member at the same height position,
A plurality of the shelf receiving portions having different height positions are provided,
Each of the shelf boards can be placed at any position in the plurality of shelf receiving portions,
A rack having an article arrangement space opened forward below the lowermost shelf receiving portion.
[Appendix 2]
2. The rack according to claim 1, wherein the lengths of all the left and right members are adjustable.
[Appendix 3]
3. The rack according to claim 2, wherein the adjustable length of the left and right members includes a length such that two shelf boards can be arranged in parallel on the shelf receiving portion.
[Appendix 4]
4. The rack according to claim 3, wherein the adjustable length of the left and right members includes a length such that three shelf boards can be arranged in parallel on the shelf receiving portion.
[Appendix 5]
The shelf has an engaging portion that regulates movement of the shelf in the front-rear direction by engaging with the left and right members,
The shelf according to any one of Supplementary notes 1 to 4, wherein the shelf board is placed on the shelf receiving portion, so that the shelf board can move in the left-right direction and the movement in the front-rear direction is restricted. rack.
[Appendix 6]
The rack according to any one of supplementary notes 1 to 5, wherein all the shelf boards are the same.
[Appendix 7]
7. The rack according to any one of supplementary notes 1 to 6, wherein a height position of the shelf receiving portion located at the lowermost side is adjustable.
[Appendix 8]
The rack according to any one of supplementary notes 1 to 7, wherein an interval between the front member and the rear member in the shelf receiving portion in the front-rear direction is 300 mm or more and 420 mm or less.

  The rack can be used for all kinds of articles such as a washing machine, articles in a kitchen, articles in a living room, and the like.

2 ··· Rack 4 ··· Frame 6 ··· Shelf 6a ··· Main body 6b ··· Engaging part 8 ··· Support 8a ··· Front support 8b ··· Rear support 10 Left and right members 10a ··· front member 10b ··· rear member 10c ··· stopper screw 12 ··· side member 14 ··· reinforcing member 20 ··· first front member 22 ··· second front member 24 · ..The third front member 30 ... the first rear member 32 ... the second rear member 34 ... the third rear member 38 ... the shelf receiving part 40 ... the first shelf receiving part 42 ... Second shelf receiving section 44: Third shelf receiving section 70: Washing machine S1: Article placement space

Claims (8)

It has a frame and a plurality of shelves,
The frame has a plurality of columns, a plurality of left and right members, and a plurality of side members,
The plurality of struts include two front struts and two rear struts,
The plurality of left and right members include a plurality of front members extending horizontally between the two front struts and a plurality of rear members extending horizontally between the two rear struts,
A shelf receiving portion is configured by the front member and the rear member at the same height position,
A plurality of the shelf receiving portions having different height positions are provided,
Each of the shelf boards can be placed at an arbitrary position in the plurality of shelf receiving portions,
A rack having an article arrangement space opened forward below the lowermost shelf receiving portion.   The rack according to claim 1, wherein the lengths of all the left and right members are adjustable.   The rack according to claim 2, wherein the adjustable length of the left and right members includes a length such that two shelves can be arranged side by side on the shelf receiving portion.   4. The rack according to claim 3, wherein the adjustable length of the left and right members includes a length such that three of the shelf boards can be arranged side by side on the shelf receiving portion. 5. The shelf has an engagement portion that regulates movement of the shelf in the front-rear direction by engaging with the left and right members,
5. The shelf according to claim 1, wherein the shelf is placed on the shelf receiving portion, so that the shelf can be moved in the left-right direction and the movement in the front-rear direction is restricted. Rack.   The rack according to any one of claims 1 to 5, wherein all the shelves are the same.   The rack according to any one of claims 1 to 6, wherein a height position of the lowermost shelf receiving portion is adjustable.   The rack according to any one of claims 1 to 7, wherein an interval between the front member and the rear member in the front-rear direction in the shelf receiving portion is 300 mm or more and 420 mm or less.

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