Mobile stand

Abstract

To improve safety of a movable stand.SOLUTION: A movable stand (3) includes a main leg part (6) from which a support (4) supporting a display board is projected and to which a caster (7) having a wheel (71) is attached, and an auxiliary leg part (9) attached to the main leg part (6) and abutting on an installation surface (F). The auxiliary leg (9) extends from the 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).SELECTED DRAWING: Figure 3

Description

[Technical Field]

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

[0002] Conventionally, a portable 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 portable 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, there is a gap between the legs and the installation surface due to the casters, and the legs are positioned higher than the installation surface, which means that there is a risk of users 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 from which a support pole that supports the display board protrudes and to which casters with wheels are 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. [Effects 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 explanation of the drawings]

[0008] [Figure 1] FIG. 2 is a front view showing the mobile display board according to the embodiment. [Figure 2] FIG. 2 is a side view showing the mobile display board shown in FIG. [Figure 3] 3 is an enlarged side view showing a main part of the mobile stand shown in FIG. 2. FIG. [Figure 4] 4 shows the configuration of the auxiliary leg shown in FIG. 3, where 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. [Figure 5] 4 is a side view showing the rotational operation of the auxiliary leg shown in FIG. 3. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the present disclosure will be described below. 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, an example of the configuration of a 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 comprises 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 may be referred to 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 bars 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, whiteboard, screen board, electronic blackboard, bulletin board, display, 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 posts 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 that it can move 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 main leg 6. The mobile stand 3 also includes a dust pan 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 main leg 6.

[0014] In this embodiment, the support columns 4, cross beams 5, and main legs 6 that make up the framework of the mobile stand 3 are all made of square pipes. However, the shapes (cross-sectional shapes) of the support columns 4, cross beams 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 so as to extend in the vertical direction and be approximately parallel to each other. The pair of support columns 4 have support shafts 41 on opposing surfaces near the upper ends that pivotally support the display board 2. With both the left and right sides of the display board 2 pivotally supported by the support shafts 41, the display board 2 is rotatably supported between the pair of support columns 4.

[0016] The pair of support columns 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 ends of the support columns 4 protrude from the upper surface (upper part) of the main leg 6. This allows the support columns 4 to be held in a substantially upright position.

[0017] The pair of main legs 6 are arranged to extend in the front-to-rear direction and 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, an example configuration of the mobile stand 3 will be described. Fig. 3 is an enlarged side view showing the main parts 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 the 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-to-rear direction (longitudinal direction) and a rear end 62 located at the rear side in the front-to-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 column 4 protrudes substantially upright from the upper surface of the main leg 6. In this embodiment, the support column 4 protrudes from the upper surface of the main leg 6, biased toward the front end 61 of the front end 61 and rear end 62 of the main leg 6. Specifically, if the length (maximum length) in the front-to-rear direction from the central axis C passing through the axis of the support column 4 to the front end 61 is defined as a front length L1, and the length (maximum length) from the central axis C to the rear end 62 of the support column 4 is defined as a rear length L2, the front length L1 is relatively shorter than the rear length L2 (see FIG. 3 ). In this way, in the mobile stand 3, by making the front length L1 of the main leg 6 relatively shorter than the rear length L2, the amount of protrusion of the main leg 6 forward is smaller than that of conventional mobile stands. This increases the foot space in front of the display board 2 and reduces the possibility of a user or the like tripping over the front end 61 of the main leg 6.

[0021] On the other hand, if the forward length L1 of the main legs 6 is relatively smaller than the rear length L2, the display board 2 is more likely to tip forward. Therefore, in the mobile stand 3, auxiliary legs 9 are attached to the front ends 61 of the main legs 6. The auxiliary legs 9 extend from or near the front ends 61 of the main legs 6 and come into contact with the installation surface F further forward than the wheels 71 of the casters 7 attached to the front ends 61 of the main legs 6, thereby preventing the display board 2 from tipping over. As will be described later, the auxiliary legs 9 are rotatable about pivot shafts 10 between a support position P1 where they come into contact with the installation surface F and a jump-up position P2 where they are 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 91 that extends from the front end 61 or near the front end 61 of the main leg 6 and extends toward the installation surface F, and a second extension 92 that is connected to the first extension 91 and extends along the installation surface F. The auxiliary leg 9 also includes a pad 93 that is provided on the second extension 92 and abuts against the installation surface F, and a fixing portion 94 that fixes the first extension 91 to the front end 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 obliquely 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 roughly 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 member that is connected to the lower end of the first extension portion 91 and extends forward. The second extension portion 92 is arranged 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 connected in series so that the angle θ formed between them is 110 degrees.

[0025] The pad 93 is an anti-slip device provided on the underside of the tip of the second extension portion 92. The pad 93 is placed at the tip of the underside of the second extension portion 92 (the surface facing the installation surface F) and abuts against the installation surface F. The pad 93 functions to prevent the auxiliary leg 9 from slipping at the support position P1, and also functions to prevent the second extension portion 92 from being scratched when it directly abuts 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 6 is inserted and which fits into the front end portion 61 at the support position P1. In this embodiment, the fixing portion 94 includes an upper plate 95 that protrudes rearward from the upper end of the first extension portion 91, a lower plate 96 that protrudes rearward at an intermediate height position of the first extension portion 91, and a pair of side plates 97 that connect 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 that corresponds to the shape of the front end portion 61.

[0027] Each of the pair of side plates 97 has an elongated hole 97A facing each other with the main leg portion therebetween, and a pivot shaft 10 may be inserted through the pair of elongated holes 97A. A longitudinally extending elongated hole 97A is formed in each of the pair of side plates 97, penetrating in the left-right direction. A circular hole (not shown) penetrating in the left-right direction is formed near the front end 61 of the main leg 6, and the pivot shaft 10 is inserted into the elongated hole 97A and the circular hole with the front end 61 of the main leg 6 sandwiched between the pair of side plates 97. This allows the auxiliary leg 9 to slide in the front-back direction along the elongated hole 97A and be pivotally attached to the main leg 6 so as to be rotatable about the pivot shaft 10. Both ends of the pivot shaft 10 are provided with retaining members (not shown).

[0028] As described above, the auxiliary leg 9 includes a flat first extension portion 91 that extends from the front end portion 61 of the main leg 6 and extends toward the installation surface F, and a flat second extension portion 92 that extends forward from the lower end of the first extension portion 91 along the installation surface F. This allows the height position of the second extension portion 92 of the auxiliary leg 9 to be positioned lower than the height position of the main leg 6, thereby reducing the possibility of a user or the like catching their foot on the auxiliary leg 9.

[0029] [Mobile stand operation] Next, we will explain an example of the operation of the mobile stand 3. Figure 5 is a side view showing the rotational operation of the auxiliary leg 9. As shown in Figure 5, the auxiliary leg 9 is capable of rotating 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.

[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 portion 94. As a result, the fixing portion 94 fits into the front end 61, and the auxiliary leg 9 is fixed at the support position P1. In this way, by fitting the fitting hole 94A of the fixing portion 94 into the front end 61 of the main leg 6, the auxiliary leg 9 can be easily fixed to the main leg 6. This eliminates the need to provide a separate locking mechanism or the like for fixing the auxiliary leg 9 at the support position P1, simplifying the structure of the mobile stand 3. This reduces the manufacturing cost of the mobile stand 3 and reduces the likelihood of malfunctions (defects) occurring in the attachment portion of the auxiliary leg 9.

[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 of the main leg 6 is lifted and the auxiliary leg 9 is slid forward. This releases the front end 61 of the main leg 6 from 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 tipping over, and when transporting or storing, they are flipped up to the flip-up position P2 and moved away from the installation surface F. As a result, they do not interfere with the movement of the display board 2 during transportation, and flipping up the auxiliary legs 9 reduces the dimensions of the mobile stand 3 in the front-to-rear direction, making it easier to pass through doorways, etc. Furthermore, when storing, the flipped-up auxiliary legs 9 can be positioned against the wall, allowing the display board 2 to 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 example shown, the holding member 11 is fixed to the upper surface of the upper plate 95 of the auxiliary leg 9, and is adapted to attach 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 having protruding support posts 4 for supporting the display board 2 and rotatably attached casters 7 each having a wheel 71, 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 91 extending from the front end 61 of the main leg 6 in the front-to-rear direction and extending toward the installation surface F, and a second extension 92 connected to the first extension 91 and extending along the installation surface F.

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

[0036] 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 to match the front length L1, it becomes less likely that a user will catch their 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 from which a support pillar that supports the display board protrudes and to which casters with wheels are 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 the 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] With this configuration, the height position of the second extension 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 getting their foot caught in the leg. Therefore, with this configuration, the safety of the portable stand that movably supports the display board can be improved.

[0040] In the mobile stand according to aspect 2 of the present disclosure, in accordance with aspect 1, the stand may further include a pivot shaft that pivotally 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 jumped up from the support position.

[0041] In this configuration, the auxiliary legs abut the installation surface in the support position during use to prevent the display board from tipping over, and are raised to the raised position to move away from the installation surface during transport or storage. Therefore, with this configuration, the display board does not get in the way when being transported, and the raised auxiliary legs can be positioned against the wall 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 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 this configuration, the auxiliary leg can be fixed to the main leg by fitting the fixing portion to the end of the main leg at the support position. Therefore, with this configuration, there is no need to provide a separate 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 aspect 4 of the present disclosure, in aspect 3, the fixed portion may have a pair of elongated holes facing each other across the main leg portion, and the rotating shaft may be inserted through the pair of elongated holes.

[0045] According to this configuration, the auxiliary leg can be pivotally attached to the main leg so that the auxiliary leg can slide along the elongated 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 this configuration, the length of the main leg portion at the end where the auxiliary leg portion is attached is relatively short, which further reduces the possibility of a user or the like getting their foot caught in the leg portion.

[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; Equipped with The auxiliary leg portion is a first extension portion extending from an end portion of the main leg portion in a longitudinal direction or from a vicinity of the end portion and extending toward the installation surface; a second extension portion connected to the first extension portion and extending along the installation surface; Includes a mobile stand.

2. a rotation shaft that rotatably connects the auxiliary leg portion to the main leg portion, 2. The portable stand according to claim 1, wherein the auxiliary leg is rotatable between a support position in contact with the installation surface and a raised position in which the auxiliary leg is raised from the support position.

3. The portable stand according to claim 2 , wherein the auxiliary leg further includes a fixing portion into which an end of the main leg is inserted and which fits in the supporting position.

4. the fixing portion has a pair of elongated holes that face each other with the main leg portion therebetween, 4. The portable stand according to claim 3, wherein the rotating shaft is inserted through the pair of elongated holes.

5. the auxiliary leg is attached to one of two ends facing each other in the longitudinal direction, 5. The portable stand according to claim 1, wherein the support pillar is provided so as to protrude from the main leg portion and be biased toward the one end portion.

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