Mobile Stand

Abstract

To improve the safety of a mobile stand. [Solution] The mobile stand (3) includes a main leg (6) on which a support (4) for supporting a display board protrudes and on which a caster (7) having wheels (71) is attached, and an auxiliary leg (9) attached to the main leg (6) and abuts against an installation surface (F). The auxiliary leg (9) extends from a front end (61) of the main leg (6) and includes a first extension portion (91) extending toward the installation surface (F) and a second extension portion (92) extending along the installation surface (F).

Description

[Technical field]

[0001] The present disclosure relates to a mobile stand that movably supports a display board such as a blackboard, a whiteboard, a screen board, an electronic blackboard, a notice board, a display, or a monitor. [Background technology]

[0002] Conventionally, a mobile stand that supports a display board such as a blackboard so that it can be moved relative to an installation surface is known (Patent Document 1). In this type of mobile stand, the lower end of a support column that supports the display board protrudes from the center of a leg (base), and casters are rotatably attached to the underside of the leg near both ends. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Utility model registration No. 3196058 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the conventional technology described above, a gap is created between the legs and the surface on which the chair is placed, and the legs are positioned higher than the surface on which the chair is placed, which means that there is a risk of a user tripping over the legs.

[0005] One aspect of the present disclosure has been made in consideration of the above-mentioned problems, and aims to improve the safety of a mobile stand that movably supports a display board. [Means for solving the problem]

[0006] In order to solve the above problem, a mobile stand according to one embodiment of the present disclosure is a mobile stand that supports a display board so that it can be moved relative to an installation surface, and includes a main leg portion on which a pillar that supports the display board is protruding and to which a caster having wheels is rotatably attached, and an auxiliary leg portion that is attached to the main leg portion and abuts the installation surface, and the auxiliary leg portion includes a first extension portion that extends from or near a longitudinal end of the main leg portion and extends toward the installation surface, and a second extension portion that is connected to the first extension portion and extends along the installation surface. Effect of the Invention

[0007] According to one aspect of the present disclosure, it is possible to improve the safety of a mobile stand that movably supports a display board. [Brief description of the drawings]

[0008] [Figure 1] FIG. 2 is a front view showing a mobile display board according to an embodiment. [Diagram 2] FIG. 2 is a side view showing the movable display board shown in FIG. [Diagram 3] 3 is an enlarged side view showing a main part of the mobile stand shown in FIG. 2. [Figure 4] 4 shows the configuration of the auxiliary leg shown in FIG. 3, in which reference numeral 401 is a side view of the auxiliary leg, reference numeral 402 is a top view of the auxiliary leg, and reference numeral 403 is a rear view of the auxiliary leg. [Diagram 5] 4 is a side view showing the pivoting operation of the auxiliary leg shown in FIG. 3. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] Hereinafter, one embodiment of the present disclosure will be described. Note that the following description is an example of a mobile stand according to the present disclosure, and the technical scope of the present disclosure is not limited to the illustrated example.

[0010] [Overall configuration of the mobile display board] First, a configuration example of the mobile display board 1 according to this embodiment will be described. Fig. 1 is a front view showing the mobile display board 1. Fig. 2 is a side view showing the mobile display board 1 shown in Fig. 1. As shown in Figs. 1 and 2, the mobile display board 1 includes a display board 2 and a mobile stand 3 that movably supports the display board 2.

[0011] In the following description, the direction in which the support pillars 4 of the mobile stand 3 extend may be referred to as the up-down direction, the direction in which the main legs 6 of the mobile stand 3 extend as the front-to-rear direction (the longitudinal direction of the main legs 6), and the direction perpendicular to the up-down direction and the front-to-rear direction, i.e., the direction in which the cross rails 5 of the mobile stand 3 extend, may be referred to as the left-to-right direction.

[0012] (Display board) The display board 2 is, for example, a blackboard, a whiteboard, a screen board, an electronic blackboard, a bulletin board, a display, a monitor, etc. The display board 2 may be, for example, an enamel whiteboard having display surfaces (writing surfaces) 21 on both the front and back sides. The display board 2 is pivotally supported between a pair of support columns 4 of the mobile stand 3, and is rotatably supported by the mobile stand 3.

[0013] (Mobile stand) The mobile stand 3 is a stand that supports the display board 2 so as to be movable relative to the installation surface F. The mobile stand 3 includes a pair of support columns 4 that support the display board 2, a cross beam (beam) 5 that connects the pair of support columns 4, a pair of main legs 6 from which the support columns 4 protrude, and casters 7 that are rotatably attached near the ends of each of the main legs 6. The mobile stand 3 also includes a dust collector 8 that is attached to the cross beams 5 and extends in the left-right direction below the display board 2, and auxiliary legs 9 that are attached to each of the main legs 6.

[0014] In this embodiment, the pillars 4, cross members 5, and main legs 6 that constitute the framework of the mobile stand 3 are all made of square pipes. However, the shapes (cross-sectional shapes) of the pillars 4, cross members 5, and main legs 6 are not limited to square, and may be circular or other shapes.

[0015] The pair of support columns 4 are disposed extending in the vertical direction so as to be approximately parallel to each other. The pair of support columns 4 have support shafts 41 on opposing surfaces near the upper ends thereof for supporting the display board 2. The display board 2 is supported between the pair of support columns 4 so as to be rotatable by supporting both the left and right sides of the display board 2 by the support shafts 41.

[0016] The pair of support posts 4 are connected at their respective mid-height positions via a crosspiece 5. The crosspiece 5 is located below the display board 2 and extends in the left-right direction. A dust collector 8 for collecting ink dust and the like is attached to this crosspiece 5. The lower end of the support post 4 protrudes from the upper surface (upper portion) of the main leg 6. This allows the support post 4 to be held in a substantially upright position.

[0017] The pair of main legs 6 are disposed extending in the front-rear direction so as to be approximately parallel to each other. Casters 7 having wheels 71 are rotatably attached to the underside (lower part) of the main legs 6 near both ends. In addition, auxiliary legs 9 are attached to the main legs 6, extending from the ends of the main legs 6 and abutting against the installation surface F.

[0018] [Configuration of the mobile stand] Next, a configuration example of the mobile stand 3 will be described. Fig. 3 is an enlarged side view showing a main part of the mobile stand 3 shown in Fig. 2. Fig. 4 shows the configuration of the auxiliary leg 9 shown in Fig. 3, where reference numeral 401 is a side view of the auxiliary leg 9, reference numeral 402 is a top view of the auxiliary leg 9, and reference numeral 403 is a rear (back) view of the auxiliary leg 9. Note that Fig. 4 shows a state in which the auxiliary leg 9 has been removed from the main leg 6.

[0019] 3, the main leg 6 includes a front end 61 located at the front side in the front-rear direction (longitudinal direction) and a rear end 62 located at the rear side in the front-rear direction. The front end 61 of the main leg 6 is an inclined end that is inclined so that the lower surface of the front end 61 protrudes further forward than the upper surface of the front end 61 in a side view.

[0020] The support pillar 4 is provided on the upper surface of the main leg 6 in a substantially upright state. In this embodiment, the support pillar 4 is provided on the upper surface of the main leg 6, being biased toward the front end 61 of the front end 61 and the rear end 62 of the main leg 6. Specifically, when the length (maximum length) in the front-rear direction from the central axis C passing through the axis of the support pillar 4 to the front end 61 is defined as the front length L1, and the length (maximum length) from the central axis C to the rear end 62 of the support pillar 4 is defined as the rear length L2, the front length L1 is relatively smaller than the rear length L2 (see FIG. 3). In this way, in the mobile stand 3, the front length L1 of the main leg 6 is relatively smaller than the rear length L2, so that the amount of protrusion of the main leg 6 to the front side is smaller than that of a conventional mobile stand. This increases the foot space on the front side of the display board 2, and reduces the possibility that a user or the like will get their foot caught on the front end 61 side of the main leg 6.

[0021] On the other hand, if the front length L1 of the main leg 6 is relatively smaller than the rear length L2, the display board 2 is more likely to tip over forward. Therefore, in the mobile stand 3, an auxiliary leg 9 is attached to the front end 61 of the main leg 6. The auxiliary leg 9 extends from or near the front end 61 of the main leg 6 and abuts against the installation surface F forward of the wheels 71 of the casters 7 attached to the front end 61 side of the main leg 6, thereby preventing the display board 2 from tipping over. As described later, the auxiliary leg 9 is rotatable around a rotation axis 10 between a support position P1 where it abuts against the installation surface F and a jump-up position P2 where it is jumped up from the support position P1 (see FIG. 5).

[0022] 3 and 4, the auxiliary leg 9 is formed by combining a plurality of metal plates, for example. The auxiliary leg 9 includes a first extension portion 91 extending from the front end portion 61 or the vicinity of the front end portion 61 of the main leg 6 and extending toward the installation surface F, and a second extension portion 92 connected to the first extension portion 91 and extending along the installation surface F. The auxiliary leg 9 also includes a pad 93 provided on the second extension portion 92 and abutting against the installation surface F, and a fixing portion 94 that fixes the first extension portion 91 to the front end portion 61 of the main leg 6.

[0023] The first extension portion 91 is a plate member that extends from the front end portion 61 of the main leg portion 6 and extends from the front end portion 61 toward the installation surface F. In this embodiment, the first extension portion 91 is disposed diagonally downward and forward from the front end portion 61 so as to be approximately parallel to the front end portion 61. In other words, the angle of the first extension portion 91 approximately matches the angle of the front end portion 61. However, the first extension portion 91 may also extend downward from the front end portion 61 and be disposed approximately perpendicular to the installation surface F.

[0024] The second extension portion 92 is a plate material that is connected to the lower end of the first extension portion 91 and extends forward. The second extension portion 92 is disposed horizontally from the lower end of the first extension portion 91 toward the front so as to be approximately parallel to the installation surface F. In this embodiment, the first extension portion 91 and the second extension portion 92 are continuously connected so that the angle θ formed between the first extension portion 91 and the second extension portion 92 is 110 degrees.

[0025] The pad 93 is an anti-slip provided on the underside of the tip of the second extension portion 92. The pad 93 is disposed at the tip of the underside (the surface facing the installation surface F) of the second extension portion 92 and abuts against the installation surface F. The pad 93 has an anti-slip function for the auxiliary leg 9 at the support position P1, and also has a function of preventing the second extension portion 92 from being scratched due to direct abutment against the installation surface F.

[0026] The fixing portion 94 is provided on the rear side of the first extension portion 91. The fixing portion 94 may have a fixing portion 94 into which the front end portion 61 of the main leg portion 6 is inserted at the support position P1 and fitted to the front end portion 61. In this embodiment, the fixing portion 94 includes an upper plate 95 protruding rearward from the upper end portion of the first extension portion 91, a lower plate 96 protruding rearward at an intermediate height position of the first extension portion 91, and a pair of side plates 97 connecting the upper plate 95 and the lower plate 96. The upper plate 95 and the lower plate 96 face each other in the vertical direction, and the pair of side plates 97 face each other in the horizontal direction. The upper plate 95, the lower plate 96, the pair of side plates 97, and the first extension portion 91 form an angular fitting hole 94A corresponding to the shape of the front end portion 61.

[0027] Each of the pair of side plates 97 has a long hole 97A facing each other with the main leg portion therebetween, and the rotating shaft 10 may be inserted through the pair of long holes 97A. Each of the pair of side plates 97 has a long hole 97A penetrating in the left-right direction formed in the front-rear direction. In addition, a round hole (not shown) penetrating in the left-right direction is formed near the front end 61 of the main leg portion 6, and the rotating shaft 10 is inserted into the long hole 97A and the round hole with the front end 61 of the main leg portion 6 sandwiched between the pair of side plates 97. As a result, the auxiliary leg portion 9 is axially attached to the main leg portion 6 so as to be slidable in the front-rear direction along the long hole 97A and to be rotatable around the rotating shaft 10. Note that a non-removal prevention member (not shown) is provided at both ends of the rotating shaft 10.

[0028] In this manner, the auxiliary leg 9 includes a flat first extension portion 91 that extends from the front end portion 61 of the main leg 6 toward the installation surface F, and a flat second extension portion 92 that extends forward from the lower end portion of the first extension portion 91 along the installation surface F. As a result, the height position of the second extension portion 92 of the auxiliary leg 9 can be arranged lower than the height position of the main leg 6, thereby reducing the possibility that a user or the like will trip over the auxiliary leg 9.

[0029] [Mobile stand operation] Next, an operation example of the mobile stand 3 will be described. Fig. 5 is a side view showing the rotational operation of the auxiliary leg 9. As shown in Fig. 5, the auxiliary leg 9 is capable of rotating around a rotation shaft 10 between a support position P1 where it abuts against the installation surface F and a jump-up position P2 where it is jumped up from the support position P1.

[0030] At the support position P1, the front end 61 of the main leg 6 is fitted into the fitting hole 94A of the fixing part 94. As a result, the fixing part 94 fits into the front end 61, and the auxiliary leg 9 is fixed at the support position P1. In this manner, the auxiliary leg 9 can be easily fixed to the main leg 6 by fitting the fitting hole 94A of the fixing part 94 into the front end 61 of the main leg 6. Therefore, there is no need to separately provide a locking mechanism or the like for fixing the auxiliary leg 9 to the support position P1, and the structure of the mobile stand 3 can be simplified. Therefore, the manufacturing cost of the mobile stand 3 can be reduced, and the attachment portion of the auxiliary leg 9 is less likely to break down (failure)

[0031] Furthermore, when the auxiliary leg 9 is to be flipped up from the support position P1 to the flip-up position P2, first, the front end 61 side of the main leg 6 is lifted and the auxiliary leg 9 is slid forward. This releases the engagement between the front end 61 of the main leg 6 and the fitting hole 94A of the auxiliary leg 9, allowing the auxiliary leg 9 to rotate around the rotation shaft 10. Next, the auxiliary leg 9 is flipped up and rotated 90 degrees around the rotation shaft 10. This allows the auxiliary leg 9 to move from the support position P1 to the flip-up position P2.

[0032] In this way, the auxiliary legs 9 abut against the installation surface F at the support position P1 during use to prevent the display board 2 from falling over, and when moving or storing, they are flipped up to the flip-up position P2 and moved away from the installation surface F. As a result, the movement of the display board 2 is not impeded during movement, and flipping up the auxiliary legs 9 reduces the dimension of the mobile stand 3 in the front-to-rear direction, making it easier to pass through doorways, etc. Furthermore, by positioning the flipped-up auxiliary legs 9 against the wall during storage, the display board 2 can be placed close to the wall.

[0033] The mobile stand 3 may further include a holding member 11 that holds the auxiliary leg 9 at the jump-up position P2. The holding member 11 is formed of, for example, a magnet. In the illustrated example, the holding member 11 is fixed to the upper surface of the upper plate 95 of the auxiliary leg 9, and is adapted to be attached to the support column 4 at the jump-up position P2. This makes it possible to easily hold the auxiliary leg 9 at the jump-up position P2. The holding member 11 may also be fixed to the support column 4.

[0034] [Effects of the mobile stand] As described above, the mobile stand 3 according to this embodiment includes a main leg 6 on which the support pillar 4 supporting the display board 2 protrudes and on which the caster 7 having the wheel 71 is rotatably attached, and an auxiliary leg 9 attached to the main leg 6 and in contact with the installation surface F. The auxiliary leg 9 includes a first extension portion 91 extending from the front end portion 61 in the front-to-rear direction of the main leg 6 and extending toward the installation surface F, and a second extension portion 92 connected to the first extension portion 91 and extending along the installation surface F.

[0035] In the mobile stand 3, the height position of the second extension portion 92 of the auxiliary leg portion 9 can be arranged lower than the height position of the main leg portion 6. This reduces the possibility that a user or the like will trip over the leg. Therefore, according to this embodiment, it is possible to improve the safety of the mobile stand 3 that movably supports the display board 2.

[0036] The auxiliary legs 9 may be attached to each of the front end 61 and the rear end 62 of the main leg 6. In this case, for example, by making the rear length L2 of the main leg 6 shorter in accordance with the front length L1, it becomes difficult for a user to catch his / her foot on the main leg 6 on both the front and rear sides of the display board 2.

[0037] Furthermore, the auxiliary leg 9 according to this embodiment can be attached to an existing mobile stand by modifying the leg of the conventional mobile stand.

[0038] 〔summary〕 The mobile stand according to aspect 1 of the present disclosure is a mobile stand that supports a display board so that it can be moved relative to an installation surface, and includes a main leg portion on which a pillar that supports the display board is protruding and to which a caster having a wheel is rotatably attached, and an auxiliary leg portion that is attached to the main leg portion and abuts the installation surface, and the auxiliary leg portion includes a first extension portion that extends from a longitudinal end of the main leg portion and extends toward the installation surface, and a second extension portion that is connected to the first extension portion and extends along the installation surface.

[0039] In the above configuration, the height position of the second extension part of the auxiliary leg can be set lower than the height position of the main leg. This reduces the possibility of a user or the like tripping over the leg. Therefore, the above configuration improves the safety of the mobile stand that movably supports the display board.

[0040] In a mobile stand according to aspect 2 of the present disclosure, in accordance with aspect 1, the mobile stand may further include a pivot shaft that rotatably attaches the auxiliary leg to the main leg, and the auxiliary leg may be rotatable between a support position in contact with the installation surface and a jump-up position raised from the support position.

[0041] In the above configuration, the auxiliary legs abut the installation surface in the support position during use to prevent the display board from falling over, and are flipped up to the flip-up position and away from the installation surface during transportation or storage. Therefore, with the above configuration, the movement of the display board is not hindered during transportation, and the flipped-up auxiliary legs can be positioned on the wall side during storage, allowing the display board to be placed close to the wall.

[0042] In a mobile stand according to aspect 3 of the present disclosure, in accordance with aspect 2, the auxiliary leg may further include a fixing portion into which an end of the main leg is inserted and which engages with the end at the support position.

[0043] In the above-mentioned configuration, the auxiliary leg can be fixed to the main leg by fitting the fixing part to the end of the main leg at the support position. Therefore, according to the above-mentioned configuration, there is no need to separately provide a locking mechanism or the like for fixing the auxiliary leg at the support position, and the structure of the mobile stand can be simplified.

[0044] In a mobile stand according to a fourth aspect of the present disclosure, in the third aspect, the fixed portion may have a pair of long holes facing each other across the main leg portion, and the rotating shaft may be inserted through the pair of long holes.

[0045] According to the above-mentioned configuration, the auxiliary leg can be pivotally attached to the main leg so that the auxiliary leg can slide along the long hole.

[0046] In a mobile stand according to aspect 5 of the present disclosure, in any of aspects 1 to 4, the auxiliary leg may be attached to one end (front end 61) of two ends facing each other in the longitudinal direction, and the support pillar may be biased toward the one end and protrude from the one leg.

[0047] In the above-described configuration, the length of the main leg at the end where the auxiliary leg is attached is relatively short, which further reduces the possibility of a user or the like tripping over the leg.

[0048] The present disclosure is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. Embodiments obtained by appropriately combining the technical means disclosed in the embodiments are also included in the technical scope of the present disclosure. [Explanation of symbols]

[0049] 2: Display board 3: Mobile stand 4: Prop 6: Main leg 7: Caster 9: Auxiliary legs 61: Front end (one end) 62: Rear end 71: Wheel 91: 1st extension part 92:Second extension part 94: Fixed part 94A: Fitting hole F: Installation surface L1: Front length L2: Rear length

Claims

1. A mobile stand that supports a display board so that the display board can be moved relative to an installation surface, A main leg portion on which a support column for supporting the display board is protruding and on which a caster having a wheel is rotatably attached; An auxiliary leg portion attached to the main leg portion and abutting against the installation surface; a rotation shaft that rotatably connects the auxiliary leg to the main leg; Equipped with The auxiliary leg portion is a first extension portion extending from an end portion or a vicinity of the end portion in a longitudinal direction of the main leg portion and extending toward the installation surface; A second extension portion connected to the first extension portion and extending along the installation surface; Including, The auxiliary leg is rotatable between a support position in contact with the installation surface and a jump-up position in which the auxiliary leg is jumped up from the support position, The auxiliary leg includes a fixed portion having a fitting hole into which an end of the main leg is inserted from the longitudinal direction and fitted in the fixed portion at the support position.

2. A mobile stand that supports a display board so that the display board can be moved relative to an installation surface, A main leg portion on which a support column for supporting the display board is protruding and on which a caster having a wheel is rotatably attached; An auxiliary leg portion attached to the main leg portion and abutting against the installation surface; a rotation shaft that rotatably connects the auxiliary leg to the main leg; Equipped with The auxiliary leg portion is a first extension portion extending from an end portion or a vicinity of the end portion in a longitudinal direction of the main leg portion and extending toward the installation surface; A second extension portion connected to the first extension portion and extending along the installation surface; Including, the auxiliary leg portion is rotatable between a support position in contact with the installation surface and a jump-up position in which the auxiliary leg portion is jumped up from the support position, and includes a fixing portion into which an end portion of the main leg portion is inserted and which fits with the end portion at the support position, the fixing portion has a pair of elongated holes opposed to each other across the main leg portion, The movable stand, wherein the rotating shaft is inserted through the pair of long holes.

3. A mobile stand that supports a display board so that the display board can be moved relative to an installation surface, A main leg portion on which a support column for supporting the display board is protruding and on which a caster having a wheel is rotatably attached; An auxiliary leg portion attached to the main leg portion and abutting against the installation surface; Equipped with The auxiliary leg portion is a first extension portion extending from an end portion or a vicinity of the end portion in a longitudinal direction of the main leg portion and extending toward the installation surface; A second extension portion connected to the first extension portion and extending along the installation surface; Including, the auxiliary leg portion is attached to one end of two ends of the main leg portion that face each other in the longitudinal direction, The support pillar is provided so as to protrude from the main leg portion and is biased toward the one end portion of the portable stand.

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