Floor-mounted fabric frame gripping hardware and floor-mounted fabric frame

Abstract

The present invention provides a gripping fitting for a floor-mounted fabric frame and a floor-mounted fabric frame that allows a drop lock to be put into a secured position in a single action. [Solution] The gripping fitting 3 for the floor-mounted fabric frame 1 is provided projecting outward from the four corners of the longitudinal end of the floor-mounted fabric frame 1 and is hooked onto a horizontal member. The gripping fitting body 30 has a recess 3a formed on its lower edge for hooking onto the horizontal member, and a drop lock 4 is swingably attached to the gripping fitting body 30 via a guide hole 41 consisting of one elongated hole with two rivets (first rivet R1, second rivet R2) to prevent the gripping fitting 3 from coming off the horizontal member by falling under its own weight and locking. A storage recess 41a is formed in the guide hole 41, branching inward toward the horizontal member side so that the drop lock 4 can be temporarily hooked and stored to prevent it from swinging and falling.

Description

Technical Field

[0001] The present invention relates to a gripping fitting for a cloth frame with a floor and a cloth frame with a floor, and more particularly to a cloth frame with a floor provided with a gripping fitting having a drop lock with a storage function added thereto.

Background Art

[0002] As shown in FIG. 1, the cloth frame with a floor is provided with drop locks at the gripping fittings at the four corners to prevent the gripping fittings from coming off the horizontal floor material of the scaffold and the cloth frame with a floor from falling. By being hooked to the horizontal floor material with the drop locks, the cloth frame with a floor is configured not to fall off even if a gust of wind blows. Therefore, when disassembling the cloth frame with a floor, as shown in FIGS. 2 and 3, while releasing two drop locks on one side, after lifting one side of the cloth frame with a floor, it is necessary to release the two drop locks on the opposite side while supporting the cloth frame with a floor with one hand so that the released drop locks cannot be hooked to the horizontal floor material again, and it is required to improve the proficiency of this operation.

[0003] As a method for easily disassembling the cloth frame with a floor even for a non-expert, for example, Patent Document 1 discloses a gripping fitting in which a storage function is added to the drop lock of the gripping fitting so that the drop lock can be temporarily hooked and stored so as not to swing (see paragraphs

[0022] to

[0026] of the specification of Patent Document 1, FIGS. 5 to 9 of the drawings, etc.).

[0004] Also, Patent Document 2 also discloses a gripping fitting in which a third upper locking portion 53 and an upper pin portion 30 and a third lower locking portion 58 and a lower pin portion 35 are respectively locked so that the drop lock is temporarily locked so as not to swing, and the drop lock can be moved to a holding position where the opening 26 of the hook portion 25 is held open (see paragraphs

[0028] to

[0030] of the specification of Patent Document 2, FIG. 9 of the drawings, etc.).

[0005] However, with the gripping fitting of Patent Document 1, as shown in Figures 6 to 8 of Patent Document 1, when the frame is in the resting position, the gripping fitting is at a high position, making it easy to visually confirm from below whether the floor-mounted fabric frame is in the resting position based on the amount of protrusion of the drop lock. However, with the gripping fitting of Patent Document 2, as shown in Figures 9 and 10 of Patent Document 2, when viewed from above, the shape of the drop lock is hidden by the body of the gripping fitting and is difficult to see, making it difficult to determine whether the floor-mounted fabric frame is in the resting position. As a result, there is a risk of unintentionally leaving the floor-mounted fabric frame in the unlocked position and walking on the unstable floor-mounted fabric frame.

[0006] Furthermore, while the gripping device in Patent Document 2 can move the dropped lock to the holding position in one action, the gripping device in Patent Document 1, as shown in Figures 5 and 6 of Patent Document 1, requires two actions: first releasing the dropped lock, and then putting it in the holding position, which is cumbersome.

[0007] While the gripping hardware in Patent Document 1 and Patent Document 2 have two elongated holes formed in the drop lock, Patent Document 3 discloses a gripping hardware that allows the drop lock to maintain its shape by further providing an elongated hole (recess) on the outside of the existing elongated hole (the side furthest from the horizontal member) and creating a three-pronged structure. This allows the floor-mounted fabric frame to be lifted while releasing the drop lock, pushing the rear end of the drop lock toward the horizontal member, and sliding the lower rivet toward the newly provided elongated hole (recess) to place it on the horizontal ground (see paragraphs

[0045] to

[0048] of the specification of Patent Document 3, and Figures 7 and 8 of the drawings, etc.).

[0008] However, while the gripping fitting in Patent Document 3 allows for easy visual confirmation of whether the floor-mounted fabric frame is in the resting position from both below and above due to the high position of the gripping fitting, it also has the problem of being cumbersome, as it requires two actions: first releasing the gripping fitting from the installed position, and then restoring it to the resting position. [Prior art documents] [Patent Documents]

[0009] [Patent Document 1] Japanese Patent Publication No. 2017-166207 [Patent Document 2] Utility Model Registration No. 3212391 Gazette [Patent Document 3] Utility Model Registration No. 3216602 Gazette [Overview of the project] [Problems that the invention aims to solve]

[0010] Therefore, the present invention was devised in view of the aforementioned problems, and its objective is to provide a gripping fitting for a floor-mounted fabric frame and a floor-mounted fabric frame that can put a drop lock into a secured state in a single action. [Means for solving the problem]

[0011] The gripping fitting for a floor-mounted fabric frame according to the first invention is a gripping fitting for a floor-mounted fabric frame that is provided projecting outward from the four corners of the longitudinal end of the floor-mounted fabric frame and is hooked onto a horizontal member, comprising: a gripping fitting body with a recess formed on its lower edge for hooking onto the horizontal member; and a drop lock that is pivotably attached to the gripping fitting body by two rivets via a guide hole consisting of one elongated hole, and which falls under its own weight to lock the gripping fitting so that it does not come off the horizontal member, wherein the guide hole is formed with a deposit recess that branches inward toward the horizontal member side so that the drop lock is temporarily hooked and deposited in a deposited state so that it does not swing and fall.

[0012] The gripping fitting for a floor-mounted fabric frame according to the second invention is characterized in that, in the first invention, the drop lock has a projection that protrudes upward from the gripping fitting body when the rivet is housed in the recessed area.

[0013] The gripping fitting for a floor-mounted fabric frame according to the third invention is characterized in that, in the second invention, the projection does not protrude upward from the upper end of the gripping fitting body when locked to prevent it from coming off the horizontal material.

[0014] The gripping fitting for a floor-mounted fabric frame according to the fourth invention is characterized in that, in the first invention, the drop lock has a weight-reducing hole drilled in the upper part for weight reduction.

[0015] The gripping fitting for a floor-mounted fabric frame according to the fifth invention is characterized in that, in the first invention, the tip of the drop lock is formed to be elongated so as to increase the length that extends over the horizontal material when the lock is in the resting position, and so as not to hinder the natural fall of the drop lock.

[0016] The gripping fitting for a floor-mounted fabric frame according to the sixth invention is characterized in that, in the first invention, the drop lock has a bulging portion formed at the corner furthest from the lower horizontal material.

[0017] The floor-mounted fabric frame according to the seventh invention is characterized by having a gripping fitting for a floor-mounted fabric frame according to any of claims 1 to 6. [Effects of the Invention]

[0018] According to the first to seventh inventions, the lock can be switched from a locked state to a secured state with just one action of pushing out the drop lock, making scaffolding dismantling work, which previously required skilled labor, easy and quick for anyone.

[0019] In particular, according to the second invention, the drop lock has a projection that protrudes upward from the gripping hardware body when the lock is in the secured position. This makes it easier to visually confirm from above whether the drop lock on the gripping hardware is in the secured position, allowing for instantaneous confirmation of the secured position of the drop lock on the floor-mounted frame of the walking surface. This facilitates a streamlined workflow where the lock release work and the frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0020] In particular, according to the third invention, since the projection does not protrude upward from the upper end of the gripping fitting body when locked, the locked state of the drop lock on the floor-mounted fabric frame on the walking surface can be grasped instantly, making it even easier to carry out a divided assembly line operation.

[0021] In particular, according to the fourth invention, since the drop weight has a weight-reducing hole drilled therein, it becomes easier to adjust the position of the center of gravity of the drop weight while keeping the shape of the drop weight compact, and the degree of freedom in design is improved.

[0022] In particular, according to the fifth invention, the center of gravity is adjusted so that the length extending over the horizontal member in the storage state becomes longer, and the upper part of the drop weight is formed to be slender. Therefore, the length of the drop weight covering the horizontal member in the storage state becomes longer, and it becomes even easier to visually grasp the storage state of the drop weight.

[0023] In particular, according to the sixth invention, since the drop weight has a bulging portion where a corner far from the lower horizontal member bulges, regardless of the shape of the upper part of the drop weight, it becomes easier to adjust the center of gravity position so that the drop weight naturally drops and locks during locking.

Brief Description of the Drawings

[0024] [Figure 1] FIG. 1(a) is a schematic view showing the locked state of the drop weight of the gripping metal fitting before the disassembly operation of the conventional cloth frame with a floor, and FIG. 1(b) is an enlarged view of part A in FIG. 1(a). [Figure 2] FIG. 2(a) is a schematic view showing a state where one end is supported while unlocking the lock of the drop weight of the gripping metal fitting during the disassembly operation of the conventional cloth frame with a floor, and FIG. 2(b) is a schematic view showing a state where the other end is supported while unlocking the lock of the gripping metal fitting during the disassembly operation of the conventional cloth frame with a floor. [Figure 3] FIG. 3 is an enlarged view of part B in FIG. 2(b), where (a) is a side view showing the locked state of the drop weight of the gripping metal fitting, and (b) is a side view showing the unlocked state of the drop weight of the gripping metal fitting. Also, FIG. 3(c) is a side view showing a state where the gripping metal fitting is lifted from the unlocked state of the drop weight. [Figure 4] FIG. 4 is a plan view showing one end portion in the longitudinal direction of the cloth frame with a floor according to the present embodiment. [Figure 5] FIG. 5 is a side view showing one end portion in the longitudinal direction of the cloth frame with a floor as above, with the horizontal member cut. [Figure 6]Figure 6(a) is a front view showing the gripping bracket body of the floor-mounted fabric frame shown above, and Figure 6(b) is a top view showing the same gripping bracket body. [Figure 7] Figure 7 is a perspective view showing a drop lock according to a second embodiment of the present invention. [Figure 8] Figure 8 is a front view showing the same drop lock. [Figure 9] Figure 9 shows the different states of the drop lock described above, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state. [Figure 10] Figure 10 is a plan view showing one end in the longitudinal direction of a floor-mounted fabric frame according to a second embodiment of the present invention. [Figure 11] Figure 11 is a side view showing one end of the floor-mounted fabric frame shown above, with the horizontal support cut off. [Figure 12] Figure 12 is a perspective view showing a drop lock according to a second embodiment of the present invention. [Figure 13] Figure 13 is a front view showing the same drop lock. [Figure 14] Figure 14 shows the different states of the drop lock, with (a) being the locked state, (b) being the unlocked state, and (c) being the deposited state. [Figure 15] Figure 15 is a plan view showing one end in the longitudinal direction of a floor-mounted fabric frame according to the third embodiment of the present invention. [Figure 16] Figure 16 is a side view showing one end of the floor-mounted fabric frame shown above, with the horizontal support cut off. [Figure 17] Figure 17 is a perspective view showing a drop lock according to a third embodiment of the present invention. [Figure 18] Figure 18 is a front view showing the same drop lock. [Figure 19] Figure 19 shows the different states of the drop lock, with (a) being the locked state, (b) being the unlocked state, and (c) being the deposited state. [Figure 20] Figure 20 is a plan view showing one end in the longitudinal direction of a floor-mounted fabric frame according to the fourth embodiment of the present invention. [Figure 21]Figure 21 is a side view showing one end of the floor-mounted fabric frame shown above, with the horizontal support cut off. [Figure 22] Figure 22 is a perspective view showing a drop lock according to a fourth embodiment of the present invention. [Figure 23] Figure 23 is a front view showing the same drop lock. [Figure 24] Figure 24 shows the different states of the drop lock, with (a) being the locked state, (b) being the unlocked state, and (c) being the deposited state. [Figure 25] Figure 25 is a plan view showing one end in the longitudinal direction of a floor-mounted fabric frame according to the fifth embodiment of the present invention. [Figure 26] Figure 26 is a side view showing one end of the floor-mounted fabric frame shown above, with the horizontal support cut off. [Figure 27] Figure 27 is a perspective view showing a drop lock according to a fifth embodiment of the present invention. [Figure 28] Figure 28 is a front view showing the same drop lock. [Figure 29] Figure 29 shows the different states of the drop lock, with (a) being the locked state, (b) being the unlocked state, and (c) being the deposited state. [Figure 30] Figure 30 is a plan view showing one end in the longitudinal direction of a floor-mounted fabric frame according to the sixth embodiment of the present invention. [Figure 31] Figure 31 is a side view showing one end of the floor-mounted fabric frame shown above, with the horizontal support cut off. [Figure 32] Figure 32 is a perspective view showing a drop lock according to the sixth embodiment of the present invention. [Figure 33] Figure 33 is a front view showing the same drop lock. [Figure 34] Figure 34 shows the different states of the drop lock mentioned above, with (a) being the locked state, (b) being the unlocked state, and (c) being the deposited state. [Modes for carrying out the invention]

[0025] Hereinafter, a floor-mounted fabric frame according to an embodiment of the present invention will be described in detail with reference to the drawings.

[0026] [First Embodiment] First, a floor-mounted fabric frame 1 according to the first embodiment of the present invention will be described using Figures 4 to 9. Figure 4 is a plan view showing one end of the floor-mounted fabric frame 1 in the longitudinal direction according to this embodiment, and Figure 5 is a side view showing one end of the floor-mounted fabric frame 1 in the longitudinal direction by cutting the horizontal member B1.

[0027] As shown in Figures 4 and 5, the floor-mounted fabric frame 1 according to this embodiment consists of a fabric frame body 2 that is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2.

[0028] (Fabric frame body) The fabric frame body 2 consists of a rectangular floor plate 20, which is the walking surface portion of the temporary scaffolding and is made by bending a plated steel sheet to improve its bending rigidity, and reinforcing plates 21 attached to the longitudinal ends of the floor plate 20, etc.

[0029] This floor plate 20 is available in various standard dimensions, such as width 500mm x predetermined length (four types: 1829mm, 1524mm, 914mm, 610mm) or width 240mm x predetermined length (four types: 1829mm, 1524mm, 914mm, 610mm). In addition, the top surface of the floor plate 20 is stamped with curved protrusions 2a that are circular in plan view for slip prevention. Of course, the dimensions described are merely examples, and it goes without saying that other dimensions, such as intermediate widths and lengths, are also acceptable.

[0030] The reinforcing plate 21 is made of a plated steel sheet with a U-shaped cross-section and is a reinforcing plate that counteracts the torsional stress acting on the longitudinal end of the fabric frame body 2, which arises from the difference in stress transmitted from the pair of gripping fittings 3, 3.

[0031] (Grip fittings) Next, the gripping fitting 3 according to this embodiment will be described in more detail using Figures 4 to 6. Figure 6(a) is a front view showing the gripping fitting body 30 alone, and Figure 6(b) is a plan view showing the gripping fitting body 30 alone. Here, "front view" refers to the view of the gripping fitting 3 from the side to which the drop lock 4 is attached, with the side of the floor-mounted fabric frame 1 stretched across the horizontal member B1.

[0032] As shown in Figures 4 to 6, the gripping fitting 3 consists of a plate-shaped gripping fitting body 30 made of a thick steel plate about 8 mm thick, and a drop lock 4 that is pivotably attached to the gripping fitting body 30 via guide holes described later, using two first rivets R1 and second rivets R2.

[0033] As shown in Figures 4 and 6(b), the gripping bracket body 30 is a steel plate that bends twice in a Z-shape in plan view, and as shown in Figures 5 and 6(a), an arc-shaped recess 3a for hooking the horizontal member B1 is formed on the lower edge, and it is fixed to the side of the floor plate 20 with two rivets R. The gripping bracket body 30 has two fixed rivet holes 31, 31 for inserting the rivets R, as well as a swing rivet hole 32 for inserting the first rivet R1 and a swing rivet hole 33 for inserting the second rivet R2. The gripping bracket body is not limited to a Z-shape in plan view; for example, it may be straight, and the recess is not limited to an arc shape but may be polygonal.

[0034] (Pickup lock) Next, the drop lock 4 according to this embodiment will be described in more detail using Figures 5, 7, and 8. Figure 7 is a perspective view showing the drop lock 4 according to this embodiment, and Figure 8 is a front view showing the drop lock 4.

[0035] The drop lock 4 is a component based on a main plate 40 made of a steel plate about 4.5 mm thick, and is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2. It has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0036] The main plate 40 has a guide hole 41 consisting of a single elongated hole. As shown in Figure 5, the drop lock 4 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 41, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0037] As shown in Figures 7 and 8, the guide hole 41 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 41a is formed in the guide hole 41, branching outwards towards the inside of the arc-shaped guide hole 41, on the side facing the horizontal member B1. As shown in Figure 9(c) described later, the rivet R1 is housed in this recessed area 41a, which temporarily holds the drop lock 4 in place, preventing it from swinging and falling.

[0038] The guide hole 41 has an upper end 41b which is an upper inner end in an arc shape, and a lower end 41c which is a lower inner end in an arc shape, and a straight lower straight section 41d is formed at the bottom.

[0039] Furthermore, the main plate 40 has weight-reducing holes 42 drilled in the upper part to reduce weight. By drilling these weight-reducing holes 42 in the main plate 40, the weight of the upper part of the drop lock 4 can be reduced, making it lighter. This allows for easier adjustment of the center of gravity of the drop lock 4 while keeping its shape compact, thus improving design flexibility.

[0040] Furthermore, as shown in Figures 7 and 8, the main plate 40 of the drop lock 4 has a projection 43 that protrudes upward from the gripping fitting body 30 when the locking position is described later, with a rivet housed in the locking recess 41a. Therefore, when the drop lock 4 is in the locking position, it becomes easier to visually confirm from above whether the drop lock 4 of the gripping fitting 3 is in the locking position or not, and the locking position of the drop lock 4 of the floor-mounted fabric frame 1 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0041] In addition, as shown in Figures 7 and 8, the main plate 40 of the drop lock 4 has a bulge 44 formed at the corner furthest from the lower horizontal member B1 (see Figure 5), which bulges out more than the other corners at the bottom. Therefore, regardless of the shape of the upper part of the drop lock 4, it becomes easier to adjust the center of gravity so that the drop lock 4 falls naturally and locks when locked.

[0042] Next, the states and operations of the drop lock 4 according to this embodiment will be explained in detail using Figure 9. Figure 9 shows the states of the drop lock 4, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0043] (Locked state) As shown in Figure 9(a), the drop lock 4 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 41 which consists of a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 4 falls naturally due to its own weight, causing the drop lock 4 to pivot along the arc-shaped guide hole 41 until the first rivet R1 contacts the upper end 41b of the guide hole 41, thus locking it in place. As a result, the horizontal member B1 is surrounded by the drop lock 4 and the recess 3a of the gripping fitting 3, so even if a gust of wind blows, the floor-mounted fabric frame 1 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 5).

[0044] Furthermore, as shown in Figure 9(a), the projection 43 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 4 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 4 of the floor-mounted fabric frame 1 on the walking surface, further facilitating the assembly line work with divided tasks.

[0045] (Unlocked state) Furthermore, to unlock it, as shown in Figure 9(b), by standing on the floor-mounted fabric frame 1 and pushing the projection 43 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 1 and pushing the bulging part 44 of the upper floor-mounted fabric frame 1 from below, the drop lock 4 can be easily swung along the guide hole 41 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 4 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0046] (Deposited status) To put the lock into the "storage" position, as shown in Figure 9(c), by continuously pushing the projection 43 from above in the direction of the arrow, or by continuously pushing the bulging portion 44, using the momentum from the unlocked state, the drop lock 4 is swung along the guide hole 41 and lifted until the first rivet R1 fits into the storage recess 41a that branches within the guide hole 41. This allows the drop lock 4 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 4 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0047] Furthermore, unlike the locked state, when in the restrained state, the projection 43 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 4 of the gripping fitting 3 is in the restrained state or not, and the restrained state of the drop lock 4 of the floor-mounted fabric frame 1 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0048] Furthermore, to return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 4 to fall naturally due to its own weight, which then swings along the arc-shaped guide hole 41, thereby locking it into the locked state.

[0049] Furthermore, by making the lower straight section 41d of the guide hole 41 longer, the length over which the drop lock 4 covers the horizontal member B1 when it is in a resting position becomes longer, making it easier to visually confirm the resting position of the drop lock 4.

[0050] With the floor-mounted fabric frame 1 and the gripping fitting 3 equipped with the drop lock 4 according to the first embodiment of the present invention described above, the lock can be switched from the locked state to the secured state in a single action by simply pushing out the drop lock 4, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0051] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 1 and a drop lock 4, a projection 43 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 4 is in the locked position. This makes it easier to visually confirm from above whether the drop lock 4 of the gripping fitting 3 is in the locked position, and to instantly determine whether the drop lock 4 of the floor-mounted fabric frame 1 on the walking surface is in the locked position. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0052] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 1 and a drop lock 4, the projection 43 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 4 of the gripping fitting 3 is locked, and the locked state of the drop lock 4 of the floor-mounted fabric frame 1 on the walking surface can also be instantly confirmed, making it even easier to carry out a divided assembly line operation.

[0053] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 1 and a drop lock 4, the weight of the upper part of the drop lock 4 can be reduced by drilling a weight-reducing hole 42 in the main plate 40, making it lighter. This allows for easier adjustment of the center of gravity of the drop lock 4 while maintaining a compact shape, thereby improving design flexibility.

[0054] In addition, with the floor-mounted fabric frame 1 and the gripping fitting 3 equipped with a drop lock 4, a bulge 44 is formed on the main plate 40 of the drop lock 4, making it easier to adjust the center of gravity so that the drop lock 4 falls naturally and locks when locked, regardless of the shape of the upper part of the drop lock 4.

[0055] [Second Embodiment] Next, a floor-mounted fabric frame 5 according to the second embodiment of the present invention will be described using Figures 10 to 14. The difference between the floor-mounted fabric frame 5 according to the second embodiment and the floor-mounted fabric frame 1 according to the first embodiment described above is the drop lock portion, so this point will be mainly explained, and identical components will be denoted by the same reference numerals and their explanations will be omitted. Figure 10 is a plan view showing one end of the floor-mounted fabric frame 5 in the longitudinal direction according to this embodiment, and Figure 11 is a side view showing one end of the floor-mounted fabric frame 5 in the longitudinal direction by cutting the horizontal member B1.

[0056] As shown in Figures 10 and 11, the floor-mounted fabric frame 5 according to this embodiment consists of a fabric frame body 2 which is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2. As shown in Figures 10 and 11, the gripping fittings 3 consist of a plate-shaped gripping fitting body 30 made of a thick steel plate with a thickness of about 8 mm, and a drop lock 6 which is swingably attached to the gripping fitting body 30 via guide holes described later with two first rivets R1 and second rivets R2.

[0057] (Pickup lock) Next, the drop lock 6 according to this embodiment will be described in more detail with reference to Figures 11, 12, and 13. Figure 12 is a perspective view showing the drop lock 6 according to this embodiment, and Figure 13 is a front view showing the drop lock 6.

[0058] The drop lock 6, like the drop lock 4 in the first embodiment, is a component based on a main plate 60 made of a steel plate with a thickness of about 4.5 mm, and is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2, and has the function of locking by falling under its own weight so that the gripping fitting 3 does not come off the horizontal member B1.

[0059] The main plate 60 has a guide hole 61 consisting of a single elongated hole. As shown in Figure 11, the drop lock 6 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 61, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0060] As shown in Figures 11 to 13, the guide hole 61 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 61a is formed in the guide hole 61, branching outwards towards the inside of the arc-shaped guide hole 61, on the side of the horizontal member B1. As shown in Figure 14(c) described later, the rivet R1 is housed in this recessed area 61a, which temporarily holds the drop lock 6 in place to prevent it from swinging and falling.

[0061] The guide hole 61 has an upper end 61b which is an upper inner end in an arc shape, and a lower end 61c which is a lower inner end in an arc shape, and a straight lower straight section 61d is formed at the bottom.

[0062] Furthermore, the main plate 60 has weight-reducing holes 62 drilled in the upper part to reduce weight. By drilling these weight-reducing holes 62 in the main plate 60, the weight of the upper part of the drop lock 6 can be reduced, making it lighter. This allows for easier adjustment of the center of gravity of the drop lock 6 while maintaining a compact shape, thereby increasing design flexibility.

[0063] Furthermore, as shown in Figures 12 and 13, the main plate 60 of the drop lock 6 has a projection 63 that protrudes upward from the gripping fitting body 30 when the locking position is described later, with a rivet housed in the locking recess 61a. Therefore, when the drop lock 6 is in the locking position, it becomes easier to visually confirm from above whether the drop lock 6 of the gripping fitting 3 is in the locking position or not, and the locking position of the drop lock 6 of the floor-mounted fabric frame 5 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the locking work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0064] Furthermore, as shown in Figures 12 and 13, unlike the aforementioned drop lock 4, the main plate 60 of the drop lock 6 has a corner that is far from the lower horizontal member B1 (see Figure 11) that is a normal corner 64, just like the other corners at the bottom.

[0065] Next, the states and operations of the drop lock 6 according to this embodiment will be described in detail using Figure 14. Figure 14 shows the states of the drop lock 6, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0066] (Locked state) As shown in Figure 14(a), the drop lock 6 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 61 which consists of a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 6 falls naturally due to its own weight, causing the drop lock 6 to pivot along the arc-shaped guide hole 61 until the first rivet R1 contacts the upper end 61b of the guide hole 61, thus locking it in place. As a result, the horizontal member B1 is surrounded by the drop lock 6 and the recess 3a of the gripping fitting 3, so that even if a gust of wind blows, the floor-mounted fabric frame 5 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 11).

[0067] Furthermore, as shown in Figure 14(a), the projection 63 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 6 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 6 of the floor-mounted fabric frame 5 on the walking surface, further facilitating the assembly line work with divided tasks.

[0068] (Unlocked state) Furthermore, to unlock it, as shown in Figure 14(b), by standing on the floor-mounted fabric frame 5 and pushing the projection 63 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 5 and pushing the corner 64 of the upper floor-mounted fabric frame 5 from below, the drop lock 6 is easily swung along the guide hole 61 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 6 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0069] (Deposited status) To put the lock in the "storage" position, as shown in Figure 14(c), by continuously pushing the projection 63 from above in the direction of the arrow, or by continuously pushing the corner 64, using the momentum from the unlocked state, the drop lock 6 is swung along the guide hole 61 and lifted until the first rivet R1 fits into the storage recess 61a that branches within the guide hole 61. This allows the drop lock 6 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 6 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0070] Furthermore, unlike the locked state, when in the suspended state, the projection 63 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 6 of the gripping fitting 3 is in the suspended state or not, and the suspended state of the drop lock 6 of the floor-mounted fabric frame 5 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0071] To return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 6 to fall naturally due to its own weight, which then swings along the arc-shaped guide hole 61, thereby locking the lock.

[0072] Furthermore, by making the lower straight section 61d of the guide hole 61 longer, the length over which the drop lock 6 covers the horizontal support material B1 when it is in a resting position is increased, making it easier to visually confirm the resting position of the drop lock 6.

[0073] According to the floor-mounted fabric frame 5 and the gripping fitting 3 equipped with a drop lock 6 according to the second embodiment of the present invention described above, the lock can be switched from a locked state to a secured state with just one action of pushing out the drop lock 6, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0074] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 5 and a drop lock 6, a projection 63 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 6 is in the locked position. This makes it easier to visually confirm from above whether the drop lock 6 of the gripping fitting 3 is in the locked position, and to instantly determine whether the drop lock 6 of the floor-mounted fabric frame 5 on the walking surface is in the locked position. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0075] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 5 and a drop lock 6, the projection 63 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 6 of the gripping fitting 3 is locked, and the locked state of the drop lock 6 of the floor-mounted fabric frame 5 on the walking surface can also be instantly confirmed, making it even easier to carry out a divided assembly line operation.

[0076] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 5 and a drop lock 6, the weight of the upper part of the drop lock 6 can be reduced by drilling a weight-reducing hole 62 in the main plate 60, making it lighter. This allows for easier adjustment of the center of gravity of the drop lock 6 while maintaining a compact shape, thereby improving design flexibility.

[0077] [Third Embodiment] Next, a floor-mounted fabric frame 7 according to the third embodiment of the present invention will be described using Figures 15 to 19. The difference between the floor-mounted fabric frame 7 according to the third embodiment and the floor-mounted fabric frame 1 according to the first embodiment described above is the drop lock portion, so this point will be mainly explained, and identical components will be denoted by the same reference numerals and their explanations will be omitted. Figure 15 is a plan view showing one end of the floor-mounted fabric frame 7 in the longitudinal direction according to this embodiment, and Figure 16 is a side view showing one end of the floor-mounted fabric frame 7 in the longitudinal direction by cutting the horizontal member B1.

[0078] As shown in Figures 15 and 16, the floor-mounted fabric frame 7 according to this embodiment consists of a fabric frame body 2 which is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2. As shown in Figures 15 and 16, the gripping fittings 3 consist of a plate-shaped gripping fitting body 30 made of a thick steel plate with a thickness of about 8 mm, and a drop lock 8 which is swingably attached to the gripping fitting body 30 via guide holes described later with two first rivets R1 and second rivets R2.

[0079] (Pickup lock) Next, the drop lock 8 according to this embodiment will be described in more detail with reference to Figures 16, 17, and 18. Figure 17 is a perspective view showing the drop lock 8 according to this embodiment, and Figure 18 is a front view showing the drop lock 8.

[0080] The drop lock 8, like the drop locks 4 and 6 described above, is a component based on a main plate 80 made of a steel plate about 4.5 mm thick. It is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2, and has the function of locking by falling under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0081] The main plate 80 has a guide hole 81 consisting of a single elongated hole. As shown in Figure 16, the drop lock 8 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 81, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0082] As shown in Figures 16 to 18, the guide hole 81 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 81a is formed in the guide hole 81, branching outwards towards the inside of the arc-shaped guide hole 81, on the side of the horizontal member B1. As shown in Figure 19(c) described later, the rivet R1 is housed in this recessed area 81a, which temporarily holds the drop lock 8 in place, preventing it from swinging and falling.

[0083] The guide hole 81 has an upper end 81b which is an upper inner end in the shape of an arc, and a lower end 81c which is an lower inner end in the shape of an arc, and a straight lower straight section 81d is formed at the bottom.

[0084] Furthermore, as shown in Figures 17 and 18, the main plate 80 of the drop lock 8 has a long, slender tip 82, as shown in Figure 19(c) described later, so that when the lock is in place, the length extending over the horizontal support material B1 is increased, and the natural fall of the drop lock 8 is not obstructed. This makes it even easier to visually confirm the state in which the drop lock 8 is in place.

[0085] Furthermore, as shown in Figures 17 and 18, the main plate 80 of the drop lock 8 has a projection 83 that protrudes upward from the gripping fitting body 30 when the rivet is housed in the recessed recess 81a, as described later. Therefore, when the drop lock 8 is in the recessed state, it becomes easier to visually confirm from above whether the drop lock 8 of the gripping fitting 3 is in the recessed state, and the recessed state of the drop lock 8 of the floor-mounted fabric frame 7 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0086] Furthermore, as shown in Figures 17 and 18, the main plate 80 of the drop lock 8, similar to the drop lock 6 described above, has a corner 84 at the corner furthest from the lower horizontal member B1 (see Figure 16) that is the same as the other corners at the bottom.

[0087] Next, the states and operations of the drop lock 8 according to this embodiment will be described in detail using Figure 19. Figure 19 shows the states of the drop lock 8, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0088] (Locked state) As shown in Figure 19(a), the drop lock 8 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 81 which consists of a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 8 falls naturally due to its own weight, causing the drop lock 8 to pivot along the arc-shaped guide hole 81 until the first rivet R1 contacts the upper end 81b of the guide hole 81, thus locking it in place. As a result, the horizontal member B1 is surrounded by the drop lock 8 and the recess 3a of the gripping fitting 3, and even if a gust of wind blows, the floor-mounted fabric frame 7 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 16).

[0089] Furthermore, as shown in Figure 19(a), the projection 83 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 8 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 8 of the floor-mounted fabric frame 7 on the walking surface, further facilitating the assembly line work with divided tasks.

[0090] (Unlocked state) Furthermore, to unlock it, as shown in Figure 19(b), by standing on the floor-mounted fabric frame 7 and pushing the projection 83 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 7 and pushing the corner 84 of the upper floor-mounted fabric frame 7 from below, the drop lock 8 can be easily swung along the guide hole 81 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 8 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0091] (Deposited status) To put the lock in the "storage" position, as shown in Figure 19(c), by continuously pushing the projection 83 from above in the direction of the arrow, or by continuously pushing the corner 84, using the momentum from the unlocked state, the drop lock 8 is swung along the guide hole 81 and lifted until the first rivet R1 fits into the storage recess 81a that branches within the guide hole 81. This allows the drop lock 8 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 8 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0092] Furthermore, as shown in Figure 19(c), unlike the locked state, when in the suspended state, the projection 83 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 8 of the gripping fitting 3 is in the suspended state or not, and the suspended state of the drop lock 8 of the floor-mounted fabric frame 7 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0093] To return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 8 to fall naturally due to its own weight, which then swings along the arc-shaped guide hole 81, thereby locking the lock.

[0094] Furthermore, by making the lower straight section 81d of the guide hole 81 longer, the length over which the drop lock 8 covers the horizontal support material B1 when it is in a resting position is increased, making it easier to visually confirm the resting position of the drop lock 8.

[0095] According to the floor-mounted fabric frame 7 and the gripping fitting 3 equipped with a drop lock 8 according to the third embodiment of the present invention described above, the lock can be switched from a locked state to a secured state with just one action of pushing out the drop lock 8, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0096] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 7 and a drop lock 8, a projection 83 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 8 is in the locked position. This makes it easier to visually confirm from above whether the drop lock 8 of the gripping fitting 3 is in the locked position, and to instantly determine whether the drop lock 8 of the floor-mounted fabric frame 7 on the walking surface is locked. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0097] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 7 and a drop lock 8, the projection 83 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 8 of the gripping fitting 3 is locked, and the locked state of the drop lock 8 of the floor-mounted fabric frame 7 on the walking surface can also be instantly confirmed, making it even easier to carry out a divided assembly line operation.

[0098] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 7 and a drop lock 8, the tip portion 82 is formed to be elongated, so the amount of contact with the horizontal member B1 is increased while maintaining the balance of the drop lock 8's center of gravity, making it even easier to visually confirm the state in which the drop lock 8 is engaged.

[0099] [Fourth Embodiment] Next, a floor-mounted fabric frame 9 according to the fourth embodiment of the present invention will be described using Figures 20 to 24. The difference between the floor-mounted fabric frame 9 according to the fourth embodiment and the floor-mounted fabric frame 7 according to the third embodiment described above is the drop lock portion, so this point will be mainly explained, and identical components will be denoted by the same reference numerals and their explanations will be omitted. Figure 20 is a plan view showing one end of the floor-mounted fabric frame 9 in the longitudinal direction according to this embodiment, and Figure 21 is a side view showing one end of the floor-mounted fabric frame 9 in the longitudinal direction by cutting the horizontal member B1.

[0100] As shown in Figures 20 and 21, the floor-mounted fabric frame 9 according to this embodiment consists of a fabric frame body 2 which is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2. As shown in Figures 20 and 21, the gripping fittings 3 consist of a plate-shaped gripping fitting body 30 made of a thick steel plate with a thickness of about 8 mm, and a drop lock 10 which is swingably attached to the gripping fitting body 30 by two first rivets R1 and second rivets R2 via guide holes, which will be described later.

[0101] (Pickup lock) Next, the drop lock 10 according to this embodiment will be described in more detail with reference to Figures 21, 22, and 23. Figure 22 is a perspective view showing the drop lock 10 according to this embodiment, and Figure 23 is a front view showing the drop lock 10.

[0102] The drop lock 10, like the drop locks 4, 6, and 8 described above, is a component based on a main plate 100 made of a steel plate about 4.5 mm thick. It is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2, and has the function of locking by falling under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0103] The main plate 100 has a guide hole 101 consisting of a single elongated hole. As shown in Figure 21, the drop lock 10 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 101, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0104] As shown in Figures 21 to 23, the guide hole 101 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 101a is formed in the guide hole 101, branching outwards towards the inside of the arc-shaped guide hole 101, on the side of the horizontal member B1. As shown in Figure 24(c) described later, the rivet R1 is housed in this recessed area 101a, which temporarily holds the drop lock 10 in place, preventing it from swinging and falling.

[0105] The guide hole 101 has an upper end 101b which is an upper inner end in the shape of an arc, and a lower end 101c which is an lower inner end in the shape of an arc, and a straight lower straight section 101d is formed at the bottom.

[0106] Furthermore, as shown in Figures 22 and 23, the main plate 100 of the drop lock 10 has a long, slender tip 102, as shown in Figure 24(c) described later, so that the length extending over the horizontal support material B1 is increased when the lock is in place, and so as not to hinder the natural fall of the drop lock 10. This makes it even easier to visually confirm the state in which the drop lock 10 is in place.

[0107] Furthermore, as shown in Figures 22 and 23, the main plate 100 of the drop lock 10 has a projection 103 that protrudes upward from the gripping fitting body 30 when the lock is in the locked position, as described later, with a rivet housed in the locking recess 101a. Therefore, when the drop lock 10 is in the locked position, it becomes easier to visually confirm from above whether the drop lock 10 of the gripping fitting 3 is in the locked position or not, and the locked position of the drop lock 10 of the floor-mounted fabric frame 9 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0108] In addition, as shown in Figures 22 and 23, the main plate 100 of the drop lock 10 has a bulge 104 formed on the corner furthest from the lower horizontal member B1 (see Figure 21), similar to the drop lock 4 described above, where the corner bulges out more than the other corners at the bottom. Therefore, regardless of the shape of the upper part of the drop lock 10, it becomes easier to adjust the center of gravity so that the drop lock 10 falls naturally and locks when locked.

[0109] Next, the states and operations of the drop lock 10 according to this embodiment will be described in detail using Figure 24. Figure 24 is a diagram showing the states of the drop lock 10, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0110] (Locked state) As shown in Figure 24(a), the drop lock 10 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 101, which consists of a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 10 falls naturally due to its own weight, causing the drop lock 10 to pivot along the arc-shaped guide hole 101 until the first rivet R1 contacts the upper end 101b of the guide hole 101, thus locking it in place. Thus, the horizontal member B1 is surrounded by the drop lock 10 and the recess 3a of the gripping fitting 3, and even if a gust of wind blows, the floor-mounted fabric frame 9 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 21).

[0111] Furthermore, as shown in Figure 24(a), the projection 103 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 10 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 10 of the floor-mounted fabric frame 9 on the walking surface, further facilitating the assembly line work with divided tasks.

[0112] (Unlocked state) Furthermore, to unlock it, as shown in Figure 24(b), by standing on the floor-mounted fabric frame 9 and pushing the projection 103 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 9 and pushing the bulging part 104 of the upper floor-mounted fabric frame 9 from below, the drop lock 10 is easily swung along the guide hole 101 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 10 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0113] (Deposited status) To put the lock in the "storage" position, as shown in Figure 24(c), by continuing to push the projection 103 from above in the direction of the arrow, or by continuing to push the bulging part 104, using the momentum from the unlocked state, the drop lock 10 is swung along the guide hole 101 and lifted until the first rivet R1 fits into the storage recess 101a that branches within the guide hole 101. This allows the drop lock 10 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 10 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0114] Furthermore, unlike the locked state, when in the suspended state, the projection 103 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 10 of the gripping fitting 3 is in the suspended state or not, and the suspended state of the drop lock 10 of the floor-mounted fabric frame 9 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0115] Furthermore, to return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 10 to fall naturally due to its own weight, which then swings along the arc-shaped guide hole 101, thereby locking it into the locked state.

[0116] Furthermore, by making the lower straight section 101d of the guide hole 101 longer, the length over which the drop lock 10 covers the horizontal support material B1 when it is in a resting position is increased, making it easier to visually confirm the resting position of the drop lock 10.

[0117] According to the floor-mounted fabric frame 9 and the gripping fitting 3 equipped with the drop lock 10 according to the fourth embodiment of the present invention described above, the lock can be switched from a locked state to a secured state with just one action of pushing out the drop lock 10, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0118] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 9 and a drop lock 10, a projection 103 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 10 is in the restrained position. This makes it easier to visually confirm from above whether the drop lock 10 of the gripping fitting 3 is in the restrained position, allowing for instantaneous confirmation of the restrained position of the drop lock 10 on the floor-mounted fabric frame 9 on the walking surface. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0119] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 9 and a drop lock 10, the projection 103 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 10 of the gripping fitting 3 is locked, and it is also possible to instantly confirm that the drop lock 10 of the floor-mounted fabric frame 9 on the walking surface is locked, making it even easier to carry out a divided assembly line operation.

[0120] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 9 and a drop lock 10, the tip portion 102 is formed to be elongated, so the amount of contact with the horizontal member B1 is increased while maintaining the balance of the center of gravity of the drop lock 10, making it even easier to visually confirm the state in which the drop lock 10 is secured.

[0121] In addition, with the grip fitting 3 equipped with a floor-mounted fabric frame 9 and a drop lock 10, a bulge 104 is formed on the main plate 100 of the drop lock 10, making it easier to adjust the center of gravity so that the drop lock 10 falls naturally and locks when locked, regardless of the shape of the upper part of the drop lock 10.

[0122] [Fifth Embodiment] Next, the floor-mounted fabric frame 11 according to the fifth embodiment of the present invention will be described using Figures 25 to 29. The difference between the floor-mounted fabric frame 11 according to the fifth embodiment and the floor-mounted fabric frame 1 according to the first embodiment described above is the drop lock portion, so this point will be mainly explained, and identical components will be denoted by the same reference numerals and their explanations will be omitted. Figure 25 is a plan view showing one end of the floor-mounted fabric frame 11 in the longitudinal direction according to this embodiment, and Figure 26 is a side view showing one end of the floor-mounted fabric frame 11 in the longitudinal direction by cutting the horizontal member B1.

[0123] As shown in Figures 25 and 26, the floor-mounted fabric frame 11 according to this embodiment consists of a fabric frame body 2 which is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2. As shown in Figures 25 and 26, the gripping fittings 3 consist of a plate-shaped gripping fitting body 30 made of a thick steel plate with a thickness of about 8 mm, and a drop lock 12 which is swingably attached to the gripping fitting body 30 via guide holes described later with two first rivets R1 and second rivets R2.

[0124] (Pickup lock) Next, the drop lock 12 according to this embodiment will be described in more detail with reference to Figures 26, 27, and 28. Figure 27 is a perspective view showing the drop lock 12 according to this embodiment, and Figure 28 is a front view showing the drop lock 12.

[0125] The drop lock 12, like the drop locks 4, 6, 8, and 10 mentioned above, is a component based on a main plate 120 made of a steel plate about 4.5 mm thick. It is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2, and has the function of locking by falling under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0126] The main plate 120 has a guide hole 121 consisting of a single elongated hole. As shown in Figure 26, the drop lock 12 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 121, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0127] As shown in Figures 26 to 28, the guide hole 121 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 121a is formed in the guide hole 121, branching outwards towards the inside of the arc-shaped guide hole 121, on the side of the horizontal member B1. As shown in Figure 29(c) described later, the rivet R1 is housed in this recessed area 121a, which temporarily holds the drop lock 12 in place, preventing it from swinging and falling.

[0128] The guide hole 121 has an upper end 121b which is an upper inner end in an arc shape, and a lower end 121c which is a lower inner end in an arc shape, and a straight lower straight section 121d is formed at the bottom.

[0129] Furthermore, the main plate 120 has weight-reducing holes 122 drilled in its upper part. By drilling these weight-reducing holes 122 in the main plate 120, the weight of the upper part of the drop lock 12 can be reduced, making it lighter. This allows for easier adjustment of the center of gravity of the drop lock 12 while maintaining a compact shape, thereby increasing design flexibility.

[0130] Furthermore, as shown in Figures 27 and 28, the main plate 120 of the drop lock 12 has a projection 123 that protrudes upward from the gripping fitting body 30 when the lock is in the locked position, as described later, with a rivet housed in the locking recess 121a. Therefore, when the drop lock 12 is in the locked position, it becomes easier to visually confirm from above whether the drop lock 12 of the gripping fitting 3 is in the locked position or not, and the locked position of the drop lock 12 of the floor-mounted fabric frame 11 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0131] Furthermore, as shown in Figures 27 and 28, the main plate 120 of the drop lock 12 has a bulge 124 that extends downward from the bottom. Therefore, regardless of the shape of the upper part of the drop lock 12, it becomes easier to adjust the center of gravity so that the drop lock 12 falls naturally and locks when locked.

[0132] Next, the states and operations of the drop lock 12 according to this embodiment will be described in detail using Figure 29. Figure 29 is a diagram showing the states of the drop lock 12, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0133] (Locked state) As shown in Figure 29(a), the drop lock 12 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 121 which consists of a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 12 falls naturally due to its own weight, causing the drop lock 12 to pivot along the arc-shaped guide hole 121 until the first rivet R1 contacts the upper end 121b of the guide hole 121, thus locking it in place. Thus, the horizontal member B1 is surrounded by the drop lock 12 and the recess 3a of the gripping fitting 3, and even if a gust of wind blows, the floor-mounted fabric frame 11 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 26).

[0134] Furthermore, as shown in Figure 29(a), the projection 123 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 12 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 12 of the floor-mounted fabric frame 11 on the walking surface, further facilitating the assembly line work with divided tasks.

[0135] (Unlocked state) Furthermore, to unlock it, as shown in Figure 29(b), by standing on the floor-mounted fabric frame 11 and pushing the projection 123 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 11 and pushing the bulging part 124 of the upper floor-mounted fabric frame 11 from below, the drop lock 12 is easily swung along the guide hole 121 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 12 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0136] (Deposited status) To put the lock in the "storage" position, as shown in Figure 29(c), by continuously pushing the projection 123 from above in the direction of the arrow, or by continuously pushing the bulging portion 124, using the momentum from the unlocked state, the drop lock 12 is swung along the guide hole 121 and lifted until the first rivet R1 fits into the storage recess 121a that branches within the guide hole 121. This allows the drop lock 12 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 12 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0137] Furthermore, unlike the locked state, when in the restrained state, the projection 123 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 12 of the gripping fitting 3 is in the restrained state or not, and the restrained state of the drop lock 12 of the floor-mounted fabric frame 11 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0138] Furthermore, to return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 12 to fall naturally due to its own weight, and the drop lock 12 swings along the arc-shaped guide hole 121, thereby locking it into the locked state.

[0139] Furthermore, by making the lower straight section 121d of the guide hole 121 longer, the length over which the drop lock 12 covers the horizontal support material B1 when it is in a resting position is increased, making it easier to visually confirm the resting position of the drop lock 12.

[0140] According to the floor-mounted fabric frame 11 and the gripping fitting 3 equipped with the drop lock 12 according to the fifth embodiment of the present invention described above, the lock can be switched from the locked state to the secured state with just one action of pushing out the drop lock 12, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0141] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 11 and a drop lock 12, a projection 123 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 12 is in the locked position. This makes it easier to visually confirm from above whether the drop lock 12 of the gripping fitting 3 is in the locked position, allowing for instantaneous confirmation of the locked position of the drop lock 12 on the floor-mounted fabric frame 11 on the walking surface. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0142] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 11 and a drop lock 12, the projection 123 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 12 of the gripping fitting 3 is locked, and the locked state of the drop lock 12 of the floor-mounted fabric frame 11 on the walking surface can also be confirmed instantly, making it even easier to carry out a divided assembly line operation.

[0143] Furthermore, with the grip fitting 3 equipped with a floor-mounted fabric frame 11 and a drop lock 12, the weight of the upper part of the drop lock 12 can be reduced by drilling a weight-reducing hole 122 in the main plate 120, making it possible to reduce the weight, and while keeping the shape of the drop lock 12 compact, it becomes easier to adjust the center of gravity of the drop lock 12, thereby improving the degree of design freedom.

[0144] In addition, with the grip fitting 3 equipped with a floor-mounted fabric frame 11 and a drop lock 12, a bulge 124 is formed on the main plate 120 of the drop lock 12, making it easier to adjust the center of gravity so that the drop lock 12 falls naturally and locks when locked, regardless of the shape of the upper part of the drop lock 12.

[0145] [Sixth Embodiment] Next, the floor-mounted fabric frame 13 according to the sixth embodiment of the present invention will be described using Figures 30 to 34. The difference between the floor-mounted fabric frame 13 according to the sixth embodiment and the floor-mounted fabric frame 9 according to the fourth embodiment described above is the drop lock portion, so this point will be mainly explained, and identical components will be denoted by the same reference numerals and their explanations will be omitted. Figure 30 is a plan view showing one end of the floor-mounted fabric frame 13 in the longitudinal direction according to this embodiment, and Figure 31 is a side view showing one end of the floor-mounted fabric frame 13 in the longitudinal direction by cutting the horizontal member B1.

[0146] As shown in Figures 30 and 31, the floor-mounted fabric frame 13 according to this embodiment consists of a fabric frame body 2 which is rectangular in plan view, and four gripping fittings 3 attached to the four corners of the longitudinal ends of the fabric frame body 2. As shown in Figures 30 and 31, the gripping fittings 3 consist of a plate-shaped gripping fitting body 30 made of a thick steel plate with a thickness of about 8 mm, and a drop lock 14 which is swingably attached to the gripping fitting body 30 via guide holes described later with two first rivets R1 and second rivets R2.

[0147] (Pickup lock) Next, the drop lock 14 according to this embodiment will be described in more detail with reference to Figures 31, 32, and 33. Figure 32 is a perspective view showing the drop lock 14 according to this embodiment, and Figure 33 is a front view showing the drop lock 14.

[0148] The drop lock 14, like the drop locks 4, 6, and 8 described above, is a component based on a main plate 140 made of a steel plate about 4.5 mm thick. It is pivotably attached to the gripping fitting body 30 with two rivets R1 and R2, and has the function of locking by falling under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0149] The main plate 140 has a guide hole 141 consisting of a single elongated hole. As shown in Figure 21, the drop lock 14 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 through this guide hole 141, and has the function of locking by dropping under its own weight to prevent the gripping fitting 3 from coming off the horizontal member B1.

[0150] As shown in Figures 21 to 23, the guide hole 141 is a continuous, roughly arc-shaped elongated hole centered near the axis of the horizontal member B1. A recessed area 141a is formed in the guide hole 141, branching outwards towards the inside of the arc-shaped guide hole 141, on the side of the horizontal member B1. As shown in Figure 34(c) described later, the rivet R1 is housed in this recessed area 141a, which temporarily holds the drop lock 14 in place, preventing it from swinging and falling.

[0151] The guide hole 141 has an upper end 141b which is an upper inner end in the shape of an arc, and a lower end 141c which is an lower inner end in the shape of an arc, and a straight lower straight section 141d is formed at the bottom.

[0152] Furthermore, as shown in Figures 32 and 33, the main plate 140 of the drop lock 14 has a long, slender tip 142, as shown in Figure 34(c) described later, so that the length extending over the horizontal support material B1 is increased when the lock is in place, and so as not to hinder the natural fall of the drop lock 14. This makes it even easier to visually confirm the state in which the drop lock 14 is in place.

[0153] Furthermore, as shown in Figures 32 and 33, the main plate 140 of the drop lock 14 has a projection 143 that protrudes upward from the gripping fitting body 30 when the locking position is described later, with a rivet housed in the locking recess 141a. Therefore, when the drop lock 14 is in the locking position, it becomes easier to visually confirm from above whether the drop lock 14 of the gripping fitting 3 is in the locking position or not, and the locking position of the drop lock 14 of the floor-mounted fabric frame 13 on the walking surface can be instantly determined, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0154] In addition, as shown in Figures 32 and 33, the main plate 140 of the drop lock 14 has a bulging portion 144 at the bottom, similar to the drop lock 12 described above. Therefore, regardless of the shape of the upper part of the drop lock 14, it becomes easier to adjust the center of gravity so that the drop lock 14 falls naturally and locks when locked.

[0155] Next, the states and operations of the drop lock 14 according to this embodiment will be described in detail using Figure 34. Figure 34 shows the states of the drop lock 14, where (a) is the locked state, (b) is the unlocked state, and (c) is the deposited state.

[0156] (Locked state) As shown in Figure 34(a), the drop lock 14 of the gripping fitting 3 is pivotably attached to the gripping fitting body 30 by two rivets R1 and R2 via a guide hole 141, which is a continuous, roughly arc-shaped elongated hole. Therefore, by simply fitting the recess 3a of the gripping fitting 3 into the horizontal member B1, the drop lock 14 falls naturally due to its own weight, causing the drop lock 14 to pivot along the arc-shaped guide hole 141 until the first rivet R1 contacts the upper end 141b of the guide hole 141, thus locking it in place. Thus, the horizontal member B1 is surrounded by the drop lock 14 and the recess 3a of the gripping fitting 3, and even if a gust of wind blows, the floor-mounted fabric frame 13 will not be blown around by the wind and the gripping fitting 3 will not detach upwards and fall off (see also Figure 31).

[0157] Furthermore, as shown in Figure 34(a), the projection 143 does not protrude upward from the upper end of the gripping fitting body 30 even when locked, making it easy to visually confirm from above that the drop lock 14 of the gripping fitting 3 is locked. This also allows for instantaneous confirmation of the locked state of the drop lock 14 of the floor-mounted fabric frame 13 on the walking surface, further facilitating the assembly line work with divided tasks.

[0158] (Unlocked state) Furthermore, to unlock it, as shown in Figure 34(b), by standing on the floor-mounted fabric frame 13 and pushing the projection 143 from above in the direction of the arrow, or by standing on the lower floor-mounted fabric frame 13 and pushing the bulging part 144 of the upper floor-mounted fabric frame 13 from below, the drop lock 14 is easily swung along the guide hole 141 in the opposite direction to its free fall due to its own weight, and in one action the drop lock 14 can be pushed up from the recess 3a and the recess 3a can be pulled out from the horizontal member B1, thus achieving an unlocked state.

[0159] (Deposited status) To put the lock in the "storage" position, as shown in Figure 34(c), by continuously pushing the projection 143 from above in the direction of the arrow, or by continuously pushing the bulging portion 144, using the momentum from the unlocked state, the drop lock 14 is swung along the guide hole 141 and lifted until the first rivet R1 fits into the storage recess 141a that branches within the guide hole 141. This allows the drop lock 14 to fall freely and be temporarily held in place, preventing it from becoming locked again, thus creating a storage position. Therefore, just like the unlocked state, the drop lock 14 can be changed from the locked state to the storage state in a single action, making scaffolding dismantling work, which previously required skill, easy and quick for anyone.

[0160] Furthermore, unlike the locked state, when in the suspended state, the projection 143 protrudes upward from the upper end of the gripping fitting body 30. Therefore, it is easy to visually confirm from above whether the drop lock 14 of the gripping fitting 3 is in the suspended state or not, and the suspended state of the drop lock 14 of the floor-mounted fabric frame 13 on the walking surface can be determined instantly, making it easier to carry out a streamlined operation where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks when dismantling the scaffolding.

[0161] Furthermore, to return from the deposited state to the locked state, the gripping fitting 3 is lifted and raised away from the horizontal member B1, causing the drop lock 14 to fall naturally due to its own weight, which then swings along the arc-shaped guide hole 141, thereby locking it into the locked state.

[0162] Furthermore, by making the lower straight section 141d of the guide hole 141 longer, the length over which the drop lock 14 covers the horizontal support material B1 when it is in a resting position becomes longer, making it easier to visually confirm the resting position of the drop lock 14.

[0163] According to the floor-mounted fabric frame 13 and the gripping fitting 3 equipped with the drop lock 14 according to the sixth embodiment of the present invention described above, the lock can be switched from the locked state to the secured state with just one action of pushing out the drop lock 14, making scaffolding dismantling work, which previously required skilled labor, easy for anyone to do in a short amount of time.

[0164] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 13 and a drop lock 14, a projection 143 is formed that protrudes upward from the gripping fitting body 30 when the drop lock 14 is in the locked position. This makes it easier to visually confirm from above whether the drop lock 14 of the gripping fitting 3 is in the locked position, and to instantly determine whether the drop lock 14 of the floor-mounted fabric frame 13 on the walking surface is in the locked position. This facilitates a streamlined workflow where the lock release work and the fabric frame dismantling and removal work are divided into separate tasks during scaffolding dismantling.

[0165] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 13 and a drop lock 14, the projection 143 does not protrude upward from the upper end of the gripping fitting body 30 even when locked. Therefore, it is easy to visually confirm from above that the drop lock 14 of the gripping fitting 3 is locked, and the locked state of the drop lock 14 of the floor-mounted fabric frame 13 on the walking surface can also be confirmed instantly, making it even easier to carry out a divided assembly line operation.

[0166] Furthermore, with the gripping fitting 3 equipped with a floor-mounted fabric frame 13 and a drop lock 14, the tip portion 142 is formed to be elongated, so the amount of contact with the horizontal member B1 is increased while maintaining the balance of the center of gravity of the drop lock 14, making it even easier to visually confirm the state in which the drop lock 14 is engaged.

[0167] In addition, with the grip fitting 3 equipped with a floor-mounted fabric frame 13 and a drop lock 14, a bulge 144 is formed on the main plate 140 of the drop lock 14, making it easier to adjust the center of gravity so that the drop lock 14 falls naturally and locks when locked, regardless of the shape of the upper part of the drop lock 14.

[0168] Although the floor-mounted fabric frame and gripping fittings according to the first to sixth embodiments of the present invention have been described in detail above, the embodiments described above or illustrated are merely examples of embodiments that have been materialized in carrying out the present invention. Therefore, the technical scope of the present invention should not be interpreted as being limited by these embodiments. [Explanation of Symbols]

[0169] 1, 5, 7, 9, 11, 13: Fabric frame with floor 2: Fabric frame body 2a: Curved protrusion 20: Floor plate 21: Reinforcement plate 3: Clamp 3a: Recess 30: Grip fitting body 31: Fixing rivet hole 32,33: Swivel rivet holes 4,6,8,10,12,14: Drop lock 40, 60, 80, 100, 120, 140: Main plate 41, 61, 81, 101, 121, 141: Guide holes 41a, 61a, 81a, 101a, 121a, 141a: recessed 41b, 61b, 81b, 101b, 121b, 141b: Upper end 41c, 61c, 81c, 101c, 121c, 141c: Bottom end 41d, 61d, 81d, 101d, 121d, 141d: Lower straight section 42,62,122: Lightweight holes 82,102:Tip 43,63,83,103,123,143:Protrusion 44,104,124:bulge 64,84: Corner

Claims

1. A gripping bracket for a floor-mounted fabric frame, which is provided projecting outward from the four corners of the longitudinal end of the floor-mounted fabric frame and is hooked onto a horizontal member, The device comprises a gripping bracket body with a recess formed on its lower edge for securing the horizontal support material, and a drop lock that is pivotably attached to the gripping bracket body by two rivets through a guide hole consisting of a single elongated hole, and which locks by falling under its own weight to prevent the gripping bracket from coming off the horizontal support material. The guide hole is formed with a recessed area that branches inward toward the side of the horizontal support material, so that the lock can be temporarily secured and stored in a way that prevents it from swinging and falling out. A floor-mounted fabric frame gripping bracket characterized by the following.

2. The aforementioned drop lock has a projection that protrudes upward from the gripping hardware body when the rivet is housed in the recessed area. A gripping fitting for a floor-mounted fabric frame according to claim 1, characterized by the above.

3. The aforementioned projection does not protrude upward from the upper end of the gripping bracket body when locked to prevent it from coming off the horizontal support material. A gripping fitting for a floor-mounted fabric frame according to claim 2, characterized by the above.

4. The aforementioned drop lock has a weight-reducing hole drilled in the upper part to reduce its weight. A gripping fitting for a floor-mounted fabric frame according to claim 1, characterized by the above.

5. The aforementioned drop lock has a long, slender tip so that when it is in the deposited state, the length extending over the horizontal material is increased, and so as not to hinder the natural fall of the drop lock. A gripping fitting for a floor-mounted fabric frame according to claim 1, characterized by the above.

6. The aforementioned drop lock has a bulging portion formed at the corner furthest from the lower horizontal member. A gripping fitting for a floor-mounted fabric frame according to claim 1, characterized by the above.

7. Having a gripping fitting for a floor-mounted fabric frame according to any of claims 1 to 6. A floor-mounted fabric frame featuring the following characteristics.

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