Folding workbench and method for using and storing the same

Abstract

To provide a folding workbench in which a wider space is formed on the lower side of a top plate part as compared with a case without the configuration of the present invention, and a method of using and a method of storing the folding workbench.SOLUTION: A folding workbench 10 is a folding workbench that is folded from a state of use to a state of storage, and is provided with a top plate part 20 that bends downward at a center part, leg parts 30a and 30b that are rotatably provided with respect to the top plate part 20 and support the top plate part 20, and opening stop parts 52 and 54 that can limit a rotation angle between the top plate part 20 in the state of use and the leg parts 30a and 30b, in which the leg parts 30a and 30b are located outside the top plate part 20 in a plan view.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a folding workbench and methods for using and storing the same. [Background technology]

[0002] Patent Document 1 describes a folding workbench whose top plate can be bent at the center in the left-right direction and folded. This folding workbench has tabletops on either side of a central structural member, with one end of each tabletop pivotally attached to the central structural member and legs pivotally attached to the other end of each tabletop. Interlocking link mechanisms are interposed between the central structural member and each tabletop and leg member, and by pushing down the central structural member, the left and right tabletops and legs are folded symmetrically in unison around the central structural member. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-190354 Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention aims to provide a foldable workbench that has a larger space below the top plate compared to a workbench that does not have the configuration of the present invention, as well as methods for using and storing the same. [Means for solving the problem]

[0005] The invention described in claim 1 is a folding workbench that can be folded from a usage state to a storage state, and is equipped with a top plate portion that bends downward at the center, legs that are rotatable relative to the top plate portion and support the top plate portion, and an opening stopper portion that can limit the rotation angle between the top plate portion and the legs when in a usage state, and the legs are positioned outside the top plate portion.

[0006] The invention described in claim 2 is a folding workbench described in claim 1, wherein the top plate portion has a first divided top plate on one side, a second divided top plate on the other side, a connecting part that rotatably connects the first divided top plate and the second divided top plate, an advancement member provided on the first divided top plate that can move back and forth, and a receiving member provided on the second divided top plate into which the advanced advancement member is inserted.

[0007] The invention described in claim 3 is a folding workbench described in claim 2, wherein the opening prevention portion has a pair of opening prevention members that connect the top plate and the legs and are folded in the storage state, and a first locking mechanism that restricts the pair of opening prevention members from folding when transitioning from the storage state to the usage state.

[0008] The invention described in claim 4 is a folding workbench described in claim 3, wherein the opening prevention portion further includes a connecting member that connects the pair of opening prevention members to each other, a folding prevention member that connects the top plate and the connecting member and is folded in the storage state, and a second locking mechanism that can restrict the folding prevention member from being folded when transitioning from the storage state to the usage state.

[0009] The invention described in claim 5 is a folding workbench described in any one of claims 2 to 4, further comprising a handrail that can be advanced upward, and the leg portion has a pair of leg posts spaced apart and extending in one direction, cross bars arranged at both ends with a gap between them and the pair of leg posts, and mounting members for attaching the cross bars to the pair of leg posts, and the handrail is arranged in the gap.

[0010] The invention described in claim 6 is a folding workbench described in any one of claims 2 to 4, further comprising a detachable auxiliary support part attached to the upper part of the leg pillar, the auxiliary support part extending away from the leg pillar as it extends downward, and its lower end contacts the ground.

[0011] The invention described in claim 7 is a folding workbench described in any one of claims 2 to 4, wherein the legs further have caster fixing members provided at the lower ends of the leg posts and casters attached to the caster fixing members, and the caster fixing members have a first side and a second side formed in a planar view, and the normals of the first side and the second side extend in directions different from the width direction of the top plate portion and the direction perpendicular to the width direction, respectively.

[0012] The invention described in claim 8 is a folding workbench described in any one of claims 2 to 4, further comprising a cushioning member on the leg portion to prevent gaps from occurring between the leg portion and other folding workbenches arranged so as to contact the first side or the second side.

[0013] The invention described in claim 9 is a method of using the folding workbench described in claim 5, which involves extending the handrails in a stored state and transporting items between the extended handrails that are longer than the spacing between the handrails.

[0014] The invention described in claim 10 is a method for storing a folding workbench described in claim 8, in which multiple folding workbenches in a stored state are arranged so that the cushioning members are in contact with each other, and the entire array of multiple folding workbenches is bundled together with a binding device. [Effects of the Invention]

[0015] According to the present invention, it is possible to provide a foldable workbench that has a larger space below the top plate compared to a workbench that does not have the configuration of the present invention, as well as methods for using and storing the same. [Brief explanation of the drawings]

[0016] [Figure 1] 1 is an explanatory front view of a folding workbench according to an embodiment of the present invention in use; FIG. [Figure 2]FIG. 10 is an explanatory front view of the folding workbench in a folded storage state. [Figure 3A] FIG. 2 is a plan view illustrating the main parts of the folding workbench. [Figure 3B] FIG. 2 is a front view of the main parts of the folding workbench. [Figure 3C] FIG. 2 is an explanatory side view of the main parts of the folding workbench. [Figure 4] FIG. 10 is a plan view of the folding workbenches stored side by side, illustrating the caster attachment members of the legs. [Figure 5] FIG. 10 is a plan view of the end of the horizontal rod provided on the folding workbench, illustrating the arrangement of the handrails. [Figure 6] 8 is an explanatory view of a first locking mechanism of an opening prevention member provided in the foldable workbench, taken along the arrow A in FIG. 7. [Figure 7] 10 is an explanatory diagram showing a second locking mechanism of the anti-break member provided in the foldable workbench, seen from the rear side. FIG. [Figure 8] 10 is an explanatory diagram of an auxiliary support part provided on the folding workbench. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0017] Next, embodiments of the present invention will be described with reference to the accompanying drawings to facilitate understanding of the present invention. Note that parts not relevant to the description may be omitted from the illustrations.

[0018] The folding workbench 10 according to one embodiment of the present invention is used, for example, as scaffolding when carrying out interior construction work, and is folded and stored.

[0019] As shown in Figure 1, the folding workbench 10 comprises a top panel 20, legs 30a, 30b, opening prevention members 50a, 50b, handrails 70a, 70b, ladder members 80a, 80b, and auxiliary support members (only auxiliary support members 90a, 90b on one side are shown in Figure 8). When in use, a space S at a height H from the floor is formed below the top panel 20 (excluding the ends), and a worker can place the folding workbench 10 across an obstacle 12 that fits into this space S. The obstacle 12 is, for example, a shelf or a table.

[0020] Here, the legs 30a and 30b, the stoppers 50a and 50b, the handrails 70a and 70b, the ladder sections 80a and 80b, the auxiliary supports 90a and 90b on one side, and the two auxiliary supports (not shown) on the other side are configured to be substantially identical to each other. Therefore, hereinafter, only the top panel 20 and the legs 30a, the stoppers 50a, the handrails 70a, the ladder section 80a, and the auxiliary supports 90a and 90b on one side will be described, and descriptions of the other parts will be omitted as a general rule.

[0021] The top plate portion 20 is a portion where a foothold for a worker to stand on is formed, and as shown in FIG. 2, it folds downward at the center. As shown in FIGS. 3A and 3B, the top plate portion 20 has divided top plates 202a and 202b, a connecting part 204, advancing members 206a and 206b, and receivers 208a and 208b.

[0022] The divided top panels 202a, 202b are each a plate-like member and form the top panel on which the worker stands. The divided top panels 202a, 202b are provided with ground contact members 210a, 210b (see FIG. 2) that come into contact with the ground when the divided top panels 202a, 202b are deployed. The ground contact members 210a, 210b are, for example, elastic resin members and are located outside the lower ends of the divided top panels 202a, 202b when in the stored state.

[0023] The connecting part 204 can rotatably connect the top division 202a and the top division 202b. The connecting part 204 is, for example, a hinge, and a plurality of connecting parts 204 are provided along the joint between the top division 202a and the top division 202b. The portion that forms the axis of the connecting part 204 protrudes upward. The amount of protrusion (height dimension of the connecting part 204) is preferably set to, for example, 12 mm or less from the surface of the top division 202a, 202b, and more preferably set to 9 mm or less.

[0024] The advancing member 206a is a rod-shaped member that is provided on the divided top plate 202a and can be moved forward and backward by manual operation by an operator. The advancing member 206b is a rod-shaped member that is provided on the divided top plate 202b and can be moved forward and backward by manual operation by an operator. The receiver 208a is provided integrally with the divided top plate 202a, and the advanced member 206b is inserted into the receiver 208a. The receiver 208b is provided integrally with the divided top plate 202b, and the advanced member 206a is inserted into the receiver 208b. It should be noted that the receivers 208a and 208b are not limited to being formed integrally with the divided top plates 202b and 202a, respectively.

[0025] The legs 30a are provided at their upper ends so as to be rotatable relative to the top panel 20, and can support the top panel 20. In a plan view, the legs 30a are arranged on the longitudinal outer sides of the top panel 20. Therefore, a larger space S is secured below the top panel 20 compared to when the legs 30a are not arranged on the outer sides of the top panel. As shown in FIG. 3C, the leg portion 30a has pillars 302a and 302b, cross bars 310 and 312, and mounting members 320a and 320b (see FIG. 5).

[0026] The legs 302a and 302b are a pair of rod-shaped members spaced apart and extending in one direction. The legs 302a and 302b can extend and retract in the longitudinal direction, and the extension and retraction of the legs 302a and 302b changes the height H of the space S (see FIG. 1). A caster fixing member 304 shown in Fig. 2 is provided at the bottom of each of the leg posts 302a, 302. As shown in Fig. 4, this caster fixing member 304 has a first side 306a and a second side 306b formed in a plan view. The normals of the first side 306a and the second side 306b each extend in a direction different from the width direction of the tabletop 20 (the X direction shown in Fig. 4) and the direction perpendicular to the width direction (the Y direction). A caster 308 that rotates around an axis extending in the vertical direction is attached to the caster fixing member 304.

[0027] As shown in FIG. 3C, the horizontal bars 310 and 312 are spaced apart in the direction in which the legs 302a and 302b extend. As shown in FIG. 5, the length L1 of the horizontal bars 310 and 312 is shorter than the inner dimension L2 between the legs 302a and 302b, and gaps shown by hatching are formed between the legs 302a and 302b at both ends. As shown in Figure 2, elastic resin cushioning members 314 are provided on the outside of the topmost horizontal slide 312. As shown in Figure 3C, these cushioning members 314 are rectangular parallelepiped members extending in the longitudinal direction of the horizontal slide 312, and are members that come into contact with the cushioning members of other folding work tables to prevent gaps from forming between adjacent folding work tables. The horizontal bar 312 is placed at a height of, for example, 750 to 850 mm from the floor surface.

[0028] 5, the mounting members 320a and 320b are arranged to sandwich one end of the horizontal bar 312 and the leg post 302a, thereby fixing the horizontal bar 312 to the leg post 302a. The other end of the horizontal bar 312 is similarly fixed to the leg post 302b by two mounting members 320a and 320b. Similarly to the horizontal bar 312, both ends of the horizontal bar 310 are fixed to the legs 302a and 302b by means of attachment members 320a and 320b.

[0029] The opening prevention portion 50a can limit the rotational position of the leg portion 30a relative to the top panel portion 20, and has a pair of opening prevention members 52, 54 and a first locking mechanism 56, as shown in FIG. 3C. The pair of opening prevention members 52, 54 are arranged at an interval in the width direction of the top panel portion 20, and are members that connect the separate top panel 202a and the horizontal bar 312.

[0030] The opening prevention member 52 is composed of at least an upper member 521 and a lower member 522, each of which is rotatably connected to each other at its end and extends in one direction. The upper end of the upper member 521 is rotatably connected to a surface formed on the back side of the end of the divided top plate 202a, and the lower end of the lower member 522 is rotatably connected to the horizontal bar 312. In the stored state, the opening prevention member 52 is folded in half so that the connecting portion between the upper member 521 and the lower member 522 is on the upper side.

[0031] The opening prevention member 54 is composed of at least an upper member 541 and a lower member 542, each of which is rotatably connected to each other at its end and extends in one direction. The upper end of the upper member 541 is rotatably connected to a surface formed on the back side of the end of the divided top plate 202a, and the lower end of the lower member 542 is rotatably connected to the horizontal bar 312. In the stored state, the opening prevention member 54 is folded in half so that the connecting portion between the upper member 541 and the lower member 542 is on the upper side. A lock hole (not shown) is formed in the side surface of the lower end of the upper member 541.

[0032] As shown in FIG. 6, the first locking mechanism 56 has a locking pin portion 561 and a guide plate 564. Lock pin portion 561 has a spring (not shown) and a retractable pin 562, and pin 562 is maintained in an advanced state by the action of the spring unless operated by an operator. Lock pin portion 561 is provided on the side surface of lower member 542 via mounting bracket 563, and can be positioned to the side of upper member 541 when in use. Therefore, when the pin 562 is inserted into a locking hole (not shown) formed on the side of the upper member 541, the rotational movement of the upper member 541 and the lower member 542 is restricted so that the opening prevention member 54 is not folded. The pin 562 inserted into the lock hole is moved back by the operator pulling the knob 566, and is then removed from the lock hole.

[0033] The guide plate 564 is fixed to the upper member 541, and can guide the pin 562 so that it is inserted into the lock hole when the folded stopper member 54 is unfolded. In detail, an inclined surface SF1 is formed on the guide plate 564, and when the pin 562, which is in a distant position, approaches the lock hole, the tip of the pin 562 rides up on this inclined surface SF1. As the lock pin portion 561 approaches the lock hole, it moves while contacting the inclined surface SF1 so that the amount of retraction of the pin 562 gradually increases, and the pin 562 advances to the position of the lock hole and fits into the lock hole. Therefore, when the state shifts from the stored state to the use state, the opening prevention member 54 is automatically locked to prevent it from being folded.

[0034] As shown in FIG. 3C, the opening prevention portion 50a further includes a connecting member 60, a break prevention member 64, and a second locking mechanism 66. The connecting member 60 is a rod-shaped member that connects the lower member 522 of the stopper member 52 and the lower member 542 of the stopper member 54 to each other.

[0035] As shown in FIG. 7, the anti-break member 64 is a member that connects the surface formed on the back side of the divided top plate 202a and the connecting member 60. The anti-break member 64 is composed of at least an upper member 641 and a lower member 642, each of which is rotatably connected to each other at its end and extends in one direction. The upper end of the upper member 641 is rotatably connected to a surface formed on the back side of the end of the divided top plate 202a, and the lower end of the lower member 642 is rotatably connected to the connecting member 60. The position at which the upper member 641 is connected to the divided top plate 202a is further outward than the position at which the upper member 541 is connected to the divided top plate 202a when viewed from the front of the folding workbench 10. In the stored state, the anti-break member 64 is folded in half so that the connecting portion between the upper member 641 and the lower member 642 is on the upper side.

[0036] The second locking mechanism 66 can restrict the folding prevention member 64 from being folded when the storage state is changed to the usage state. The second locking mechanism 66 has a cylindrical member 662 and a stopper 664. The cylindrical member 662 is disposed so as to cover the outer periphery of the breakage prevention member 64, and can move along the direction in which the breakage prevention member 64 extends (see arrow B in FIG. 7). The stopper 664 is a protrusion that protrudes from the surface of the lower member 642, and comes into contact with the end face of the cylindrical member 662 so that the cylindrical member 662, which moves downward due to its own weight, comes to a stop in a position that covers the portion of the breakage prevention member 64 that will break (the lower end of the upper member 641 and the upper end of the lower member 642). Therefore, when transitioning from the storage state to the usage state, the lower end of the upper member 641 and the upper end of the lower member 642 are covered by the tubular member 662, which restricts the rotational movement of the upper member 641 and the lower member 642, and the anti-break member 64 is automatically locked to prevent it from folding.

[0037] As shown in Fig. 1, handrail 70a is a rod-shaped member on which a worker can place their hands when climbing ladder section 80a. As shown in Fig. 5, handrail 70a is placed in the gap formed between legs 302a, 302b and rungs 310, 312, and is supported so as to be able to advance upward by guide supports 702 provided on the upper parts of legs 302a, 302b, as shown in Fig. 3C. As shown in FIG. 3C, it is preferable that a safety fence 72 be installed on the extended handrails 70a and 70b to enclose the area where the worker stands.

[0038] The ladder section 80a (see FIG. 1) is detachably attached to the leg section 30a and has steps (not shown) that allow the worker to climb up and down the top panel section 20. The steps are arranged at intervals in the vertical direction.

[0039] 8, the auxiliary supports 90a and 90b are rod-shaped members detachably attached to the upper parts of the legs 302a and 302b, and are sometimes called outriggers. The auxiliary supports 90a and 90b extend downward, away from the legs 302a and 302b, and their lower ends contact the ground. The auxiliary support parts 90a and 90b are extendable, and the attachment angle can be adjusted and the ground contact point can be changed according to the position of surrounding obstacles. Two auxiliary supports (not shown) are also attached to the leg 30b, and with a total of four auxiliary supports, the folding workbench 10 can be set up more stably.

[0040] Next, a method for assembling the folding workbench 10 will be described. The folding workbench 10 is assembled in accordance with the following steps P1 to P4. However, if possible, the order of some of the steps may be reversed or some of the steps may be performed in parallel.

[0041] (Step P1) The folding workbench 10 is carried into, for example, an interior construction site in a folded, stored state (see FIG. 2).

[0042] (Step P2) Two workers move leg 30a and leg 30b, which are on the opposite side of leg 30a and top plate 20, in directions away from each other. Leg 30a and leg 30b rotate relative to the folded top plate 20, and divided top plates 202a and 202b touch the floor surface via grounding members 210a and 210b, respectively.

[0043] When the split top plates 202a and 202b are in contact with the floor surface and the legs 30a and 30b move further apart, the angle formed by the split top plates 202a and 202b gradually increases, and the opening prevention members 52, 54 and the folding prevention member 64 are deployed.

[0044] When the opening prevention members 52, 54 and the breakage prevention member 64 are deployed, the first locking mechanism 56 and the second locking mechanism 66 are activated. In detail, the lock pin portion 561 of the first locking mechanism 56 is inserted into a lock hole (not shown) formed in the upper member 541, and the tubular member 662 of the second locking mechanism 66 moves by its own weight and comes to rest upon contact with the stopper 664, so that the breaking portion of the breakage prevention member 64 is positioned inside the tubular member 662. Therefore, the movement of the opening prevention member 54 is restricted by the first locking mechanism 56 so as not to be folded, while the movement of the folding prevention member 64 is restricted by the second locking mechanism 66 so as not to be folded. Even if the first locking mechanism 56 does not operate, the second locking mechanism 66 operates, so the functions of the opening prevention portions 50a and 50b are maintained. In this way, the first locking mechanism 56 and the second locking mechanism 66 operate to restrict the movement of the opening prevention member 54 and the folding prevention member 64, respectively, so that they cannot be folded, thereby restricting the rotational movement of the legs 30a, 30b relative to the divided top plates 202a, 202b.

[0045] (Step P3) After the worker lifts the divided top plates 202a and 202b that are on the ground, the workers advance the advancing members 206a and 206b and insert them into the receivers 208a and 208b, respectively, thereby forming a surface on which the worker stands. When the top panel 20 is unfolded, a trapezoidal space S (see FIG. 1) is formed below the top panel 20 by the top panel 20, the legs 30a, 30b, and the opening stoppers 50a, 50b when viewed from the front.

[0046] (Step P4) If necessary, the worker extends the legs 302a, 302b to adjust the height of the tabletop 20 or the height H of the space S (see Figure 1), and then attaches the auxiliary support parts 90a, 90b (see Figure 8) and the remaining two auxiliary support parts to the leg 30a. The worker also moves the handrails 70a and 70b upward and attaches the ladder sections 80a and 80b to the legs 30a and 30b, respectively (see FIG. 1). A safety fence 72 is attached to the handrails 70a and 70b.

[0047] After the folding workbench 10 has been assembled according to the above steps P1 to P4, a worker climbs onto the top panel 20 from the ladder sections 80a and 80b and carries out the necessary interior construction work. At this time, the load of the top panel 20 and the weight of the operator is applied to the pin 562 and guide plate 564 of the first locking mechanism 56. However, since part of the load is borne by the cylindrical member 662 of the second locking mechanism 66, the load applied to the pin 562 and guide plate 564 is reduced compared to when the second locking mechanism 66 is not provided. The folding method is the reverse of the assembly method described above, so a description thereof will be omitted.

[0048] Here, when storing multiple folding workbenches 10 in a stored state side by side, adjacent folding workbenches 10 are lined up close together so that the cushioning members 314 are in contact with each other, as shown in Figure 2, and then the entire lined up folding workbenches 10 can be bundled together with a band (an example of a binding device) not shown. 4, the folding workbench 10 has a first side 306a and a second side 306b formed on the caster fixing member 304 that is located on the outside when the folding workbench 10 is stored, so that the folding workbench 10 can be stored closer to the thickness direction (Y direction) of the folding workbench 10 compared to a case without this configuration. Therefore, the area required for storing the folding workbench 10 is reduced. The binding device is not limited to a band, and any device that can bind the foldable workbenches 10 that are stored close together may be used.

[0049] In addition, the worker can extend the four handrails 70a, 70b in total, place an item longer than the distance between the handrails 70a, 70b between the extended handrails 70a, 70b, and use the folding workbench 10 as a transport cart for transporting long items.

[0050] As described above, in the folding workbench 10, compared to a folding workbench not having this configuration, the legs 30a, 30b are arranged on the outside of the top panel 20 (see FIG. 3A), and therefore a larger space S (see FIG. 1) is formed in a plan view below the top panel 20. As a result, there is greater freedom in the installation location of the folding workbench 10, for example, in a location where an obstacle 12 is present.

[0051] Furthermore, in the folding workbench 10, a higher space S is formed below the top panel 20 compared to a folding workbench that does not have this configuration. As a result, when the folding workbench 10 is placed across an obstacle 12, for example, the top panel 20 can be positioned at a lower position by retracting the legs 30a, 30b. As a result, a wider working space is secured from the upper surface of the top panel 20 to the ceiling. Therefore, the folding workbench 10 according to this embodiment prevents a decrease in workability.

[0052] Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all changes in conditions that do not depart from the gist of the present invention are within the scope of application of the present invention. [Explanation of symbols]

[0053] 10 Folding Workbench 12 Obstacles 20 Top plate 30a, 30b Legs 50a, 50b Opening stopper 52, 54 Opening prevention member 56 First locking mechanism 60 Connecting member 64 Anti-breaking member 66 Second locking mechanism 70a, 70b Clue sticks 72 Safety fence 80a, 80b ladder section 90a, 90b Auxiliary support part 202a, 202b Divided top plate 204 Connecting parts 206a, 206b Advancement members 208a, 208b 210a, 210b grounding members 302a, 302b pedestal 304 Caster fixing member 306a First Side 306b Second Side 308 Caster 310, 312 Yokosan 314 Buffer material 320a, 320b Mounting members 521 Upper member 522 Lower part 541 Upper member 542 Lower part 561 Lock pin part 562 pins 563 Mounting bracket 564 Guide Plate 566 knob 641 Upper member 642 Lower part 662 Cylindrical member 664 Stopper 702 Guide support part S Space SF1 inclined surface

Claims

1. A folding workbench that can be folded from a use state to a storage state, A top plate that bends downward in the center, a leg portion that is rotatably provided with respect to the top plate portion and supports the top plate portion; an opening stopper that can limit the rotation angle between the top panel and the legs when in use, A folding workbench in which the legs are positioned outside the top plate.

2. The folding workbench according to claim 1, The top plate portion is a first divided top plate on one side; a second divided top plate on the other side; a connecting part that rotatably connects the first divided top plate and the second divided top plate; an advancing / retracting member provided on the first divided top plate; a receiving member provided on the second divided top plate into which the extended member is inserted when extended;

3. The folding workbench according to claim 2, a pair of opening prevention members that connect the top plate and the legs and are folded in a storage state; a first locking mechanism that prevents the pair of opening prevention members from folding when the folding workbench is shifted from the storage state to the use state.

4. The folding workbench according to claim 3, the opening prevention portion includes a connecting member that connects the pair of opening prevention members to each other; a folding prevention member that connects the top plate and the connecting member and is folded in a storage state; The folding workbench further comprises a second locking mechanism that can restrict the folding of the anti-folding member when the workbench is shifted from the storage state to the use state.

5. A folding workbench according to any one of claims 2 to 4, Further provided with a handrail that can be advanced upward, The leg portion includes a pair of pillars spaced apart from each other and extending in one direction; A horizontal member is arranged at both ends with a gap between the pair of legs, and a mounting member for mounting the crossbar to the pair of legs, The folding workbench has the handrail arranged in the gap.

6. A folding workbench according to any one of claims 2 to 4, Further provided is a detachable auxiliary support part attached to the upper part of the leg column, A folding workbench in which the auxiliary support portion extends downward away from the base column and has a lower end that contacts the ground.

7. A folding workbench according to any one of claims 2 to 4, The leg portion has a caster fixing member provided at a lower end of the leg column; casters attached to the caster fixing members, A folding workbench in which the caster fixing member has a first side and a second side formed when viewed in a plane, and the normals of the first side and the second side extend in directions different from the width direction of the top plate portion and the direction perpendicular to the width direction, respectively.

8. A folding workbench according to any one of claims 2 to 4, A folding workbench further having a cushioning member on the leg portion to prevent gaps from occurring between the folding workbench and other folding workbenches that are arranged so as to contact the first side or the second side.

9. A method of using the folding workbench of claim 5, comprising: In the stored state, the handrail is advanced, A method for using a folding workbench for transporting an article placed between the extended handrails, the article being longer than the interval between the handrails.

10. 9. A method for storing a folding workbench according to claim 8, comprising: A method for storing a folding workbench, in which a plurality of the folding workbenches in a stored state are arranged so that the buffer members are in contact with each other, and the entire array of the plurality of folding workbenches is bundled together with a binding device.

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