Clamp and clamp mounting method

Abstract

To provide a clamp and a method for attaching the clamp that can be stably attached to various objects. [Solution] Because the distance between the upper and lower clamp surfaces 250 and 40 gradually narrows from the rear end to the front end, the rods 200 to 400 can always be gripped using the rear end 250e and 40c portion of the upper and lower clamp surfaces 250 and 40 (a position close to the center of gravity of the clamp 1), regardless of the difference in diameter of the rods 200 to 400. Therefore, compared to the conventional configuration in which recesses with different radii of curvature are arranged front to back, even when the diameters of the rods 200 to 400 are different, the moment acting on the engagement portion between the upper and lower clamp surfaces 250 and 40 and the rods 200 to 400 does not increase easily. Therefore, the clamp 1 can be stably attached to rods 200 to 400 of different diameters.

Description

Technical Field

[0001] The present invention relates to a clamp and a method for attaching the clamp, and particularly to a clamp that can be stably attached to various objects and a method for attaching the clamp.

Background Art

[0002] For example, in Patent Document 1, there is described a microphone mounting device 200 (clamp) including a frame 230 (housing) for holding a holder such as a microphone, and lower claws 201 and upper claws 203 that protrude forward from the frame 230 and are spaced apart vertically. The distance between the lower claws 201 and the upper claws 203 is configured to be adjustable by operating a knob 205.

[0003] Arc-shaped recesses 211 to 214 are formed side by side in the lower claws 201 and the upper claws 203. Since the curvature radii of the recesses 212 and 214 are larger than those of the recesses 211 and 213, rods having different diameters can be grasped by the lower claws 201 and the upper claws 203. That is, the mounting device 200 can be attached to rods (objects) of different types.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In this type of technology, there is a need for a clamp that can be stably attached to various objects.

[0006] This invention was made to meet this need and aims to provide a clamp and a method for attaching the clamp that can be stably attached to various objects. [Means for solving the problem]

[0007] To achieve this objective, the clamp of the present invention comprises a housing capable of holding an object, and an upper claw and a lower claw that protrude forward from the housing and can grip an object by adjusting the vertical distance between them, wherein an upper clamp surface is formed on the lower surface of the upper claw that is recessed upward, and a lower clamp surface is formed on the upper surface of the lower claw that is recessed downward, and the upper clamp surface is formed between the rear end of the upper clamp surface located at the rearmost part of the upper claw and the front end of the upper clamp surface located at the foremost part of the upper claw. the whole The lower clamp surface is located above the rear and front ends of the upper clamp surface, and is formed between the rear end of the lower clamp surface located at the rearmost part of the lower claw and the front end of the lower clamp surface located at the foremost part of the lower claw. the whole The upper and lower claws are located below the rear and front ends of the lower clamp surface, and in a side view of the upper and lower claws, if we define a first imaginary line as the imaginary line connecting the front end of the upper clamp surface and the upper end on the rear side of the upper clamp surface, and a second imaginary line as the imaginary line connecting the front end of the lower clamp surface and the lower end on the rear side of the lower clamp surface, then the distance between the first and second imaginary lines gradually narrows toward the front.

[0008] The clamp of the present invention comprises a housing capable of holding an object, and an upper claw and a lower claw that protrude forward from the housing and can grip an object by adjusting the vertical distance between them, wherein the lower surface of the upper claw has an upper clamp surface that is recessed upward, and the upper surface of the lower claw has a lower clamp surface that is recessed downward, and comprises a first upper claw and a second upper claw that is spaced apart to the side of the first upper claw, wherein when the distance between the upper claw and the lower claw is narrowed, the lower clamp surface passes through the gap between the first upper claw and the second upper claw, thereby making it possible to cross the upper clamp surface and the lower clamp surface.

[0009] The clamp of the present invention comprises a housing capable of holding an object, and an upper claw and a lower claw that protrude forward from the housing and can grip an object by adjusting the vertical distance between them. The lower surface of the upper claw has an upper clamping surface that is recessed upward and a pair of upper surfaces connected to both the front and rear ends of the upper clamping surface. The upper surface of the lower claw has a lower clamping surface that is recessed downward and a pair of lower surfaces connected to both the front and rear ends of the lower clamping surface. On the rear sides of the upper and lower surfaces, a pair of front surfaces of the housing extending vertically are formed, spaced apart from each other on the left and right sides, and the object can be gripped by the upper surface, the lower surface and the front surfaces.

[0010] The clamp mounting method of the present invention comprises a housing capable of holding an object, and an upper claw and a lower claw that protrude forward from the housing and can grip an object by adjusting the vertical distance between them, wherein an upper clamp surface that is recessed upward is formed on the lower surface of the upper claw, and a lower clamp surface that is recessed downward is formed on the upper surface of the lower claw, and the upper clamp surface is formed between the rear end of the upper clamp surface located at the rearmost part of the upper claw and the front end of the upper clamp surface located at the foremost part of the upper claw. the whole The lower clamp surface is located above the rear and front ends of the upper clamp surface, and is formed between the rear end of the lower clamp surface located at the rearmost part of the lower claw and the front end of the lower clamp surface located at the foremost part of the lower claw. the wholeA method for attaching a clamp, wherein the upper and lower clamp surfaces are positioned below the rear and front ends of the lower clamp surface, and in a side view of the upper and lower claws, when a first imaginary line is defined as the imaginary line connecting the front end of the upper clamp surface and the upper end on the rear side of the upper clamp surface, and a second imaginary line is defined as the imaginary line connecting the front end of the lower clamp surface and the lower end on the rear side of the lower clamp surface, the clamp is attached to the object by gripping the object with the upper and lower clamp surfaces, which are formed such that the distance between the first and second imaginary lines gradually narrows toward the front.

[0011] The clamp mounting method of the present invention comprises a housing capable of holding an object, and an upper claw and a lower claw that protrude forward from the housing and can grip an object by adjusting the vertical distance between them, wherein the lower surface of the upper claw has an upper clamp surface that is recessed upward, and the upper surface of the lower claw has a lower clamp surface that is recessed downward, and the clamp mounting method comprises a first upper claw and a second upper claw that is spaced apart to the side of the first upper claw, wherein when the distance between the upper claw and the lower claw is narrowed, the lower clamp surface passes through the gap between the first upper claw and the second upper claw, and the clamp is attached to the object by gripping the object with the upper clamp surface and the lower clamp surface that can intersect each other.

[0012] The present invention provides a clamp mounting method comprising a housing capable of holding an object, and an upper claw and a lower claw protruding forward from the housing and capable of gripping an object by adjusting the vertical distance between them, wherein the lower surface of the upper claw has an upper clamp surface that is recessed upward and a pair of upper surfaces connected to both the front and rear ends of the upper clamp surface, and the upper surface of the lower claw has a lower clamp surface that is recessed downward and a pair of lower surfaces connected to both the front and rear ends of the lower clamp surface, and a pair of front surfaces of the housing extending vertically are formed on the rear sides of the upper and lower surfaces, spaced apart from each other, wherein the clamp is attached to the object by gripping the object with the upper surface, the lower surface and the front surfaces. [Brief explanation of the drawing]

[0013] [Figure 1] This is a front perspective view of the clamp, showing the device being held. [Figure 2] (a) is a rear perspective view of the clamp showing the equipment removed, and (b) is a front perspective view of the equipment removed from the clamp. [Figure 3] (a) is a cross-sectional view of the clamp along the line IIIa-IIIa in Figure 1, and (b) is a cross-sectional view of the clamp along the line IIIb-IIIb in Figure 3(a). [Figure 4] This is a magnified cross-sectional view of the clamp, specifically section IV of Figure 3(a). [Figure 5] (a) is a cross-sectional view of the clamp holding a rod with a relatively large diameter, and (b) is a cross-sectional view of the clamp holding a rod with a relatively small diameter. [Figure 6] (a) is a cross-sectional view of the clamp showing a rod with an even smaller diameter, and (b) is a cross-sectional view of the clamp showing a rod being gripped using the small-diameter clamping surface. [Figure 7] (a) is a cross-sectional view of the clamp holding a hoop, and (b) is a cross-sectional view of the clamp holding a wooden hoop. [Modes for carrying out the invention]

[0014] The following describes preferred embodiments with reference to the attached drawings. First, the overall configuration of the clamp 1 will be described with reference to Figures 1 and 2. Figure 1 is a front perspective view of the clamp 1 holding the equipment 100, Figure 2(a) is a rear perspective view of the clamp 1 with the equipment 100 removed, and Figure 2(b) is a front perspective view of the equipment 100 removed from the clamp 1.

[0015] Note that the arrow directions U-D, F-B, and L-R in FIGS. 1 and 2 indicate the vertical direction, the front-back direction, and the left-right direction respectively with respect to the clamp 1 (the same applies to the subsequent figures). However, the directions of the clamp 1 do not necessarily coincide with the directions of the object to which the clamp 1 is attached.

[0016] As shown in FIGS. 1 and 2, the clamp 1 is a device for attaching a device 100 such as a wireless adapter to an object. Examples of the object to which the clamp 1 is attached include rods 200 and 300 (see FIG. 5) that support electronic musical instruments, and the device 100 is used (connected to an electronic musical instrument) when playing an electronic musical instrument supported by the rods 200 and 300. The device 100 is held on the rear surface (the surface facing the arrow B side) of the housing 2 of the clamp 1.

[0017] The housing 2 includes a rear wall 20 that constitutes its rear surface, and a pair of side walls 21 protrude forward (in the direction of the arrow F) from both ends of the rear wall 20 in the left-right direction (the arrow L-R direction). The lower ends (the ends on the arrow D side) of the rear wall 20 and the pair of side walls 21 are connected by a lower wall 22 (see FIG. 1), and the upper ends (the ends on the arrow U side) of the rear wall 20 and the pair of side walls 21 are connected by an upper wall 23. Each of the walls 20 to 23 that make up the housing 2 is integrally formed using a resin material.

[0018] Upper claws 24 and 25 protrude forward from the upper ends of the pair of side walls 21, and the upper claws 24 and 25 are provided in a pair with a space therebetween in the left-right direction. The pair of upper claws 24 and 25 are integrally formed with the side walls 21 and the upper wall 23 of the housing 2, but the upper claws 24 and 25 may be formed separately from the housing 2.

[0019] The lower surfaces of the pair of upper claws 24 and 25 are configured as upper clamp surfaces 240 and 250 (the upper clamp surface 250 is shown in FIG. 1) for gripping the object, and a lower claw 3 that protrudes forward from the housing 2 is provided below the pair of upper claws 24 and 25. An elastic body 4 is fixed to the upper surface of the lower claw 3, and the upper surface of the elastic body 4 is configured as a lower clamp surface 40 together with the upper clamp surfaces 240 and 250 of the upper claws 24 and 25 for gripping the object.

[0020] The lower claw 3 is formed using the same resin material as the housing 2 (upper claws 24, 25), and the elastic body 4 is formed using rubber or an elastomer. The elastic body 4 may be integrally formed with the lower claw 3 by two-color molding, insert molding, etc., or may be joined to the lower claw 3 by adhesion or the like.

[0021] In the housing 2, a space S (see FIG. 1) whose front side is open is formed, and the rear end portion of the lower claw 3 (the portion behind the lower clamping surface 40) is inserted into this space S. The space S is a cavity surrounded by the respective walls 20 to 23, and a shaft 5 (shaft member) for moving the lower claw 3 up and down is provided in the space S. The shaft 5 is a long screw (a full screw without a head) having a male thread formed on its outer peripheral surface. The shaft 5 is formed in an axial shape along the vertical direction, and the lower wall 22 and the upper wall 23 of the housing 2 are vertically connected by the shaft 5.

[0022] Although details will be described later, a through hole 230 (see FIG. 3(a)) for passing the shaft 5 is formed in the upper wall 23 of the housing 2, and a knob 6 (operating element) is fixed to the upper end portion of the shaft 5 protruding upward from this through hole 230. By rotating the shaft 5 with this knob 6 to move the lower claw 3 up and down, the distance between the upper claws 24, 25 and the lower claw 3 is adjusted.

[0023] Next, the holding structure of the device 100 by the housing 2 will be described with reference to FIGS. 2 and 3. FIG. 3(a) is a cross-sectional view of the clamp 1 taken along line IIIa-IIIa in FIG. 1, and FIG. 3(b) is a cross-sectional view of the clamp 1 taken along line IIIb-IIIb in FIG. 3(a). Note that FIG. 3(a) is a cross-section orthogonal to the left-right direction (arrow L-R direction) and is a cross-sectional view including the axis of the shaft 5.

[0024] As shown in FIGS. 2 and 3, a holding portion 26 for holding the device 100 is integrally formed on the rear wall 20 of the housing 2. The holding portion 26 protrudes toward the rear side (arrow B side) of the rear wall 20, and four holding pieces 260a to 260d protrude from the rear end of the holding portion 26 in the respective up-down, left-right directions (arrow U-D and L-R directions) of the holding portion 26.

[0025] Of the retaining pieces 260a to 260d, the pair of retaining pieces 260a and 260b that protrude vertically are each formed in a flange shape that extends to the left and right (see Figure 3(a)), and grooves 261a and 261b that extend to the left and right are formed between the retaining pieces 260a and 260b and the rear surface of the rear wall 20 (housing 2) (see Figure 3(a)).

[0026] The shapes of the retaining pieces 260a to 260d are rotationally symmetric (four-fold symmetry) around the axis in the front-to-back direction. Therefore, although not shown in the illustration, grooves extending vertically are also formed between the left and right retaining pieces 260c and 260d (see Figure 2(a)) and the rear wall 20, allowing the equipment 100 to be attached to the retaining part 26 from all four sides.

[0027] The device 100 is held using these retaining pieces 260a to 260d and grooves 261a and 261b. An insertion hole 102 is formed on the front surface 101 (the surface to be held) of the device 100 for inserting the retaining pieces 260a to 260d of the retaining part 26. The insertion hole 102 is a roughly rectangular recess, and a pair of opposing sliding pieces 103a and 103b are formed on the leading edges (ends on the side of arrow F) of the upper and lower walls of the insertion hole 102. The sliding pieces 103a and 103b are the parts that are inserted into the grooves 261a and 261b of the retaining part 26 (see Figure 3(a)).

[0028] The pair of slide pieces 103a and 103b are each formed in a flange shape extending to the left and right (see Figure 3(a)), and grooves 104a and 104b (see Figure 3(a) for groove 104a) are formed between the bottom surface of the insertion hole 102 (the surface facing the holding portion 26) and the slide pieces 103a and 103b, extending to the left and right. Each of these upper and lower grooves 104a and 104b has an opening 140a and 140b (see Figure 2(b)) on the left side (arrow L side) of the device 100.

[0029] When the device 100 is held in the holding section 26, the holding pieces 260a to 260d are inserted through the openings 140a and 140b of the grooves 104a and 104b (the sliding pieces 103a and 103b are slid along the grooves 261a and 261b). The insertion of the holding pieces 260a to 260d into the grooves 104a and 104b is guided by the inclined portions 130a and 130b of the pair of sliding pieces 103a and 103b (see Figure 2(b)).

[0030] The inclined sections 130a and 130b are inclined such that the distance between them gradually narrows as they move away from the openings 140a and 140b. This allows the retaining pieces 260a to 260d to be smoothly inserted into the grooves 104a and 104b by sliding the grooves 261a and 261b of the retaining section 26 along the upper and lower inclined sections 130a and 130b.

[0031] The distance between the upper and lower sliding pieces 103a and 103b corresponds to the depth of the upper and lower grooves 261a and 261b of the holding part 26. When the holding pieces 260a to 260d are inserted to the end of the grooves 104a and 104b, the upper and lower sliding pieces 103a and 103b are hooked into the grooves 261a and 261b of the holding part 26 (see Figure 3(a)). A hook 105 is formed in the device 100 to fix the hook between the grooves 261a and 261b and the sliding pieces 103a and 103b.

[0032] The hook 105 rises from the wall surface of the insertion hole 102 at the end of the grooves 104a and 104b (opposite to the openings 140a and 140b), and a claw portion 150 (see Figure 2(b)) is formed at the tip of the hook 105. When the retaining pieces 260a to 260d are slid along the grooves 104a and 104b, the claw portion 150 of the hook 105 contacts the rear surface of the retaining portion 26, causing the hook 105 to elastically deform backward. This elastic deformation of the hook 105 is permitted by a recess 106 formed on the rear side of the hook 105 (insertion hole 102). The recess 106 is a recess that extends left and right from the base end to the tip of the hook 105.

[0033] When the claw portion 150 of the hook 105 overcomes the retaining pieces 260a to 260d, the elastically deformed hook 105 returns to its original shape, causing the claw portion 150 to hook onto the tips of the retaining pieces 260a to 260d. Trapezoidal recesses 262a to 262d (see Figure 2(a)) are formed on the tip surfaces of each of the retaining pieces 260a to 260d, and although not shown in the illustration, the claw portion 150 of the hook 105 hooks onto these recesses 262a to 262d (for example, in the mounting state of the device 100 shown in Figure 1, the claw portion 150 is hooked onto recess 262c (see Figure 2(a))). This hooking between the recesses 262a to 262d and the claw portion 150 prevents the device 100 from falling off the retaining part 26.

[0034] The clamp 1 is attached to the object with the device 100 held in the holding part 26 in this manner (or, after the clamp 1 is attached to the object, the device 100 is held in the holding part 26). The structure for moving the lower claw 3 up and down when attaching the clamp 1 will be explained with reference to Figure 3.

[0035] As shown in Figure 3, a through hole 230 is formed in the upper wall 23 of the housing 2, and the shaft 5 is inserted into this through hole 230 from above. A small-diameter portion 50, in which the diameter is partially reduced, is formed at the lower end of the shaft 5, and this small-diameter portion 50 is inserted into a through hole 220 formed in the lower wall 22 of the housing 2.

[0036] The lower claw 3 has a through hole 30 running vertically through it for the shaft 5 to pass through, and a nut 31 is fixed to the inner circumference of the through hole 30. In this embodiment, the lower claw 3 and the nut 31 are integrally formed by insert molding, but the nut 31 may also be joined to the inner circumference of the through hole 30 by adhesive or other means.

[0037] With the shaft 5 fastened to the female thread on the inner circumference of the nut 31, the small diameter portion 50 of the shaft 5 is fitted into the through hole 220 of the lower wall 22, and then the E-ring 7 is attached to the upper end of the shaft 5, thereby assembling the lower claw 3 and the shaft 5 to the housing 2. In this assembled state of the lower claw 3, the vertical movement of the shaft 5 is restricted by contact between the stepped portion on the upper end of the small diameter portion 50 and the lower wall 22, and by contact between the E-ring 7 and the upper wall 23.

[0038] Furthermore, in the assembled state of the lower claw 3, the gap between the rear wall 20 and the left and right side walls 21 of the housing 2 and the rear surface 32 and left and right side surfaces 33 of the lower claw 3 is small (or they are in contact). Therefore, when the shaft 5 is rotated by the knob 6, the rotation of the lower claw 3 is restricted by the contact between the rear wall 20 or the side wall 21 and the lower claw 3 (only the shaft 5 rotates independently). As a result, the lower claw 3 moves up and down along the shaft 5. In other words, the up and down movement of the lower claw 3 is guided by the rear wall 20 and the side walls 21 of the housing 2.

[0039] By adjusting the distance between the upper claws 24, 25 and the lower claw 3 through the vertical movement of the lower claw 3, it becomes possible to grip various objects with the upper and lower clamping surfaces 240, 250, and 40 of the upper claws 24, 25 and the lower claw 3 (elastic body 4). The detailed configuration of these upper and lower clamping surfaces 240, 250, and 40 will be explained with reference to Figure 4.

[0040] Figure 4 is a partially enlarged cross-sectional view of clamp 1, which is an enlargement of part IV in Figure 3(a). In the following description, the detailed configuration of the upper clamp surface 250 of the upper claw 25, which is located on the right side of clamp 1, will be described, but the upper clamp surface 240 of the upper claw 24 (see Figure 1 or Figure 2) has the same configuration as the upper clamp surface 250.

[0041] As shown in Figure 4, the upper clamp surface 250 is composed of a rear clamp surface 250a that forms the rear end (the end on the side of arrow B), a large-diameter clamp surface 250b that is connected to the front end (the end on the side of arrow F) of the rear clamp surface 250a, a small-diameter clamp surface 250c that is connected to the front end of the large-diameter clamp surface 250b, and a front clamp surface 250d that is connected to the front end of the small-diameter clamp surface 250c.

[0042] The lower surface 251 of the rear end of the upper claw 25 is connected to the rear end 250e (the rear end side of the rear clamp surface 250a) of the upper clamp surface 250, and the lower surface 252 of the front end of the upper claw 25 is connected to the front end 250f (the front end side of the front clamp surface 250d). Hereafter, the dimension from the rear end 250e to the front end 250f of the upper clamp surface 250 will be referred to as the front-rear dimension of the upper clamp surface 250.

[0043] The rear clamp surface 250a is an arc with a radius of curvature smaller than the front-rear dimension of the upper clamp surface 250, and is formed in a convex arc shape toward the rear and upward. The large-diameter clamp surface 250b is an arc with a radius of curvature larger than the rear clamp surface 250a (the front-rear dimension of the upper clamp surface 250), and is formed in a convex arc shape toward the front and upward. The small-diameter clamp surface 250c is an arc with a radius of curvature smaller than the large-diameter clamp surface 250b (the front-rear dimension of the upper clamp surface 250), and is formed in a convex arc shape toward the front and upward.

[0044] The front clamp surface 250d is formed in the shape of an arc with the same radius of curvature as the large-diameter clamp surface 250b. When a virtual line V1 (an arc along the large-diameter clamp surface 250b) is drawn by extending the large-diameter clamp surface 250b forward, the front clamp surface 250d is formed at a position that overlaps with this virtual line V1. In other words, when the large-diameter clamp surface 250b and the front clamp surface 250d are considered together as a single clamp surface V1, the small-diameter clamp surface 250c is formed in the region including the center of that single clamp surface V1 in the front-rear direction.

[0045] The lower clamp surface 40 on the lower claw 3 side is composed of a rear clamp surface 40a that forms the rear end and a large-diameter clamp surface 40b that is connected to the front end of the rear clamp surface 40a. The upper surface 41 on the rear end side of the elastic body 4 is connected to the rear end 40c (the rear end side of the rear clamp surface 40a) of the lower clamp surface 40, and the upper surface 42 on the front end side of the elastic body 4 is connected to the front end 40d (the front end side of the large-diameter clamp surface 40b) of the lower clamp surface 40. Hereinafter, the dimension from the rear end 40c to the front end 40d of the lower clamp surface 40 will be referred to as the front-rear dimension of the lower clamp surface 40.

[0046] The rear clamp surface 40a is an arc with a radius of curvature smaller than the front-rear dimension of the lower clamp surface 40, and is formed in a convex arc shape toward the rear and downward. The large-diameter clamp surface 40b is an arc with a radius of curvature larger than the rear clamp surface 40a (the front-rear dimension of the lower clamp surface 40), and is formed in a convex arc shape toward the front and downward. Multiple protrusions 40e are formed on the upper surface of this arc-shaped large-diameter clamp surface 40b, which prevents the lower clamp surface 40 (large-diameter clamp surface 40b) from slipping against objects such as rods 200-400 (see Figures 5 and 6).

[0047] Next, referring to Figures 4 to 6, the configuration for gripping rods 200 to 400 of different diameters using the upper and lower clamping surfaces 250 and 40 will be explained. Figure 5(a) is a cross-sectional view of clamp 1 showing the state in which a relatively large diameter rod 200 is gripped, and Figure 5(b) is a cross-sectional view of clamp 1 showing the state in which a relatively small diameter rod 300 is gripped.

[0048] Figure 6(a) is a cross-sectional view of clamp 1 showing the state in which a rod 400 with an even smaller diameter is gripped, and Figure 6(b) is a cross-sectional view of clamp 1 showing the state in which the rod 400 is gripped using the small-diameter clamping surface 250c. Note that Figures 5 and 6 are cross-sectional views corresponding to Figure 3(a), but they illustrate the state in which the device 100 has been removed from clamp 1 (the same is true for Figure 7, which will be described later).

[0049] Furthermore, Figures 5 and 6 illustrate the external shapes of the rods 200-400 to which the clamp 1 is attached using dashed lines. These rods 200-400 are cylindrical components that form part of a stand (drum set) that supports electronic percussion instruments such as electronic drums and electronic cymbals.

[0050] First, let's describe the prior art for clamps that grip this type of rod (U.S. Patent Application Publication No. 2012 / 0049025). In this prior art, arc-shaped recesses with a large radius of curvature are formed on the rear ends of the upper and lower claws, while arc-shaped recesses with a small radius of curvature are formed on the front ends of the upper and lower claws.

[0051] In this conventional configuration, when gripping a rod using the recesses at the front ends of the upper and lower claws, the gripping position is further from the center of gravity of the clamp compared to when using the recesses at the rear ends. Therefore, when gripping a rod with the recesses at the front ends of the upper and lower claws, the moment acting on the engagement point between the recess and the rod (moment due to the clamp's own weight and the mass of the object held by the clamp) tends to be large, making it difficult to grip the rod stably. In particular, when gripping a horizontal rod, the clamp tends to rotate relative to the rod.

[0052] In contrast, in this embodiment, as shown in Figure 4, the upper clamp surface 250 formed between the rear end 250e and the front end 250f of the upper clamp surface 250 is located above both the front and rear ends 250e and 250f of the upper clamp surface 250 (if a virtual line is drawn connecting both the front and rear ends 250e and 250f of the upper clamp surface 250 in a side view, the entire upper clamp surface 250 is located above the virtual line).

[0053] Furthermore, the entire lower clamp surface 40, formed between the rear end 40c and the front end 40d of the lower clamp surface 40, is located below the front and rear ends 40c and 40d of the lower clamp surface 40 (if an imaginary line is drawn connecting the front and rear ends 40c and 40d of the lower clamp surface 40 in a side view, the entire lower clamp surface 40 is located below the imaginary line). In other words, in this embodiment, instead of arranging recesses corresponding to the diameter of the rod front and rear as in the prior art, the entire upper and lower clamp surfaces 250 and 40 are used to grip rods 200 to 400 of different diameters.

[0054] Furthermore, in a side view (left-right view) of clamp 1, if we define virtual line V2 as the imaginary line connecting the front end 250f of the upper clamp surface 250 and the upper end 250g of the rear end side (rearward from the center in the front-rear direction) of the upper clamp surface 250, and virtual line V3 as the imaginary line connecting the front end 40d of the lower clamp surface 40 and the lower end 40f of the rear end side (rearward from the center in the front-rear direction) of the lower clamp surface 40, then the distance between virtual line V2 and virtual line V3 gradually narrows toward the front. That is, except for the region where the small-diameter clamp surface 250c and the protrusion 40e are formed, the distance between the upper and lower clamp surfaces 250 and 40 gradually narrows from the rear end side to the front end side.

[0055] With this configuration, as shown in Figure 5(a), when gripping a relatively large diameter rod 200, the rod 200 can be gripped using two points: the rear ends 250e and 40c of the upper and lower clamp surfaces 250 and 40, and the front ends 250f and 40d. The front ends 250f and 40d refer to, for example, the front clamp surface 250d of the upper clamp surface 250, and the front end portion of the large-diameter clamp surface 40b of the lower clamp surface 40.

[0056] In this embodiment, the front surface 210 of the vertically extending side wall 21 (housing 2) is formed on the rear side of the upper and lower clamp surfaces 250 and 40 (the front surface 210 is located in front of the shaft 5). Therefore, depending on the diameter of the rod 200, the rod 200 can be gripped using the front surface 210 of the side wall 21 in addition to the two points mentioned above.

[0057] Furthermore, as shown in Figure 5(b), when gripping a rod 300 with a smaller diameter than rod 200, the rod 300 can be gripped using two points: the rear ends 250e and 40c of the upper and lower clamp surfaces 250 and 40, and a portion closer to the center in the front-to-back direction (a portion closer to the rear end than when gripping rod 200). The portion closer to the center in the front-to-back direction is, for example, the front end portion of the large-diameter clamp surface 40b on the upper clamp surface 250, and the approximately central portion in the front-to-back direction of the large-diameter clamp surface 40b on the lower clamp surface 40.

[0058] Furthermore, as shown in Figure 6(a), when gripping a rod 400, which has an even smaller diameter than rod 300, the rear end of the large-diameter clamp surface 250b of the upper clamp surface 250 and the rear clamp surface 40a (the rear end of the large-diameter clamp surface 40b) of the lower clamp surface 40 can be used to grip the rod 400. In other words, the rear end portions of the upper and lower clamp surfaces 250 and 40 can be used to grip the rod 400 more effectively than when gripping rod 300.

[0059] Thus, in this embodiment, since the distance between the upper and lower clamp surfaces 250 and 40 gradually narrows from the rear end to the front end, the rods 200 to 400 can always be gripped using the rear end portion of the upper and lower clamp surfaces 250 and 40 (a position close to the center of gravity of the clamp 1), regardless of the difference in diameter of the rods 200 to 400. Therefore, compared to the conventional technology in which recesses with different radii of curvature are arranged front to back, even when gripping rods 300 and 400 with relatively small diameters, the moment acting on the engagement portion between the rods 300 and 400 and the upper and lower clamp surfaces 250 and 40 does not increase easily. Therefore, the clamp 1 can be stably attached to rods 200 to 400 with different diameters.

[0060] Furthermore, since the lower clamp surface 40 (rear clamp surface 40a and large-diameter clamp surface 40b) is formed of an elastic body 4 that is more flexible than the upper claw 25 and lower claw 3, the lower clamp surface 40 can more easily adhere to the outer circumferential surface of the rods 200-400. As a result, the lower clamp surface 40 is less likely to slip against the rods 200-400, thus suppressing the rotation of the clamp 1 around the rods 200-400. Therefore, the clamp 1 can be stably attached to the rods 200-400.

[0061] Furthermore, since multiple protrusions 40e are formed on the upper surface of the lower clamp surface 40 (large diameter clamp surface 40b), the lower clamp surface 40 becomes less likely to slip against the rods 200-400. In particular, in this embodiment, since multiple protrusions 40e extending in the left-right direction are formed in the front-rear direction, the protrusions 40e extending along the axial direction of the rods 200-400 can be brought into close contact with the outer circumferential surface of the rods 200-400. This further effectively suppresses the slippage of the lower clamp surface 40 against the rods 200-400, allowing the clamp 1 to be stably attached to the rods 200-400.

[0062] In the conventional clamp described above (U.S. Patent Application Publication No. 2012 / 0049025), the upper and lower claws face each other in the vertical direction, so the gap between the upper and lower recesses becomes narrowest when the claws are in contact with each other. In this state, the diameter of the rod that can be gripped becomes the smallest diameter, which tends to restrict the diameter of the rod that can be gripped by the upper and lower recesses.

[0063] In contrast, the clamp 1 of this embodiment is equipped with a pair of upper claws 24, 25 (see Figure 1 for upper claw 24) spaced apart to the left and right. As shown in Figure 6(a), when the distance between the upper claws 24, 25 and the lower claw 3 is narrowed, the lower clamp surface 40 (elastic body 4) can pass through the gap between the pair of upper claws 24, 25. This allows the front ends of the upper and lower clamp surfaces 250, 40 to intersect, enabling the clamp surfaces 250, 40 to grip smaller diameter rods 400. Therefore, the clamp 1 can be attached to rods 200 to 400 of various diameters.

[0064] In Figure 6(a), an example is shown in which the upper end portion of the elastic body 4 passes through the gap between the left and right upper claws 24 and 25. However, by further narrowing the distance between the upper claws 24 and 25 and the lower claw 3 from the state shown in Figure 6(a), it is also possible to pass the lower claw 3 through the gap between the left and right upper claws 24 and 25. In other words, a rod with an even smaller diameter than the rod 400 can be gripped by the upper and lower clamp surfaces 250 and 40.

[0065] Furthermore, considering the moment acting on the engagement portion between the upper and lower clamp surfaces 250, 40 and the rod 400 as described above, it is preferable to grip the rod 400 with the rear end portions of the upper and lower clamp surfaces 250, 40. On the other hand, if it is not necessary to consider such a moment, it is also possible to grip the rod 400 using the small-diameter clamp surface 250c, as shown in Figure 6(b). This allows the mounting position (relative position) of the clamp 1 relative to the rod 400 to be changed according to the purpose, thereby improving the versatility of the clamp 1.

[0066] Next, referring to Figure 7, the configuration for gripping the electronic drum's hoop 500 and wood hoop 600 with the upper and lower clamp surfaces 250 and 40 will be explained. Figure 7(a) is a cross-sectional view of clamp 1 showing the state in which the hoop 500 is gripped, and Figure 7(b) is a cross-sectional view of clamp 1 showing the state in which the wood hoop 600 is gripped.

[0067] As shown in Figure 7(a), the hoop 500 is an annular member for applying tension to the head 501 of the electronic drum. The hoop 500 has an outer peripheral portion 500a positioned on the outer circumference side (arrow B side) of the head frame 502, and a pressing portion 500b is bent inward (arrow F side) from the upper end of the outer peripheral portion 500a which extends vertically (arrow UD direction). The pressing portion 500b is the part that presses the head frame 502 downward, and an upright portion 500c rises upward from the inner end of the pressing portion 500b.

[0068] From the upper end of the upright portion 500c, the inclined portion 500d slopes upward toward the outer circumference, and these parts 500a to 500d constituting the hoop 500 are integrally formed using metal or the like. When attaching the clamp 1 to such a hoop 500, the outer circumference 500a and the inclined portion 500d of the hoop 500 are clamped between the small-diameter clamp surface 250c of the upper clamp surface 250 and the large-diameter clamp surface 40b of the lower clamp surface 40.

[0069] In this way, by utilizing the small-diameter clamping surface 250c, which has a smaller radius of curvature than the large-diameter clamping surface 250b, the hoop 500 can be stably gripped by the upper and lower clamping surfaces 250 and 40. That is, in addition to the rods 200 to 400 described above (see Figures 5 and 6), the clamp 1 can be stably attached to the hoop 500.

[0070] Furthermore, since the lower clamp surface 40 (large diameter clamp surface 40b) is formed by the elastic body 4, the lower clamp surface 40 can be brought into close contact with the lower surface of the outer circumference 500a of the hoop 500. As a result, the lower clamp surface 40 is less likely to slip against the hoop 500 (outer circumference 500a), so the clamp 1 can be stably attached to the hoop 500.

[0071] Furthermore, since multiple protrusions 40e are formed on the upper surface of the lower clamp surface 40 (large diameter clamp surface 40b), the lower clamp surface 40 becomes less likely to slip against the hoop 500 (outer circumference 500a). In particular, in this embodiment, since multiple protrusions 40e extending in the left-right direction are formed in the front-rear direction, the protrusions 40e can more easily make close contact with the outer circumference 500a of the hoop 500, which extends in the circumferential direction. As a result, the slippage of the lower clamp surface 40 against the hoop 500 can be suppressed even more effectively, so that the clamp 1 can be stably attached to the hoop 500.

[0072] As shown in Figure 7(b), the wood hoop 600 is an annular member for applying tension to the head 601 of the electronic drum, and is formed from wood with a rectangular cross-section. When attaching the clamp 1 to such a rectangular wood hoop 600, the pair of lower surfaces 251, 252 (upper planes) formed on both the front and rear ends of the upper claw 25 and the pair of upper surfaces 41, 42 (lower planes) formed on both the front and rear ends of the elastic body 4 are utilized.

[0073] The pair of lower surfaces 251 and 252 of the upper claw 25 are planes that are connected to the front and rear ends 250e and 250f of the upper clamp surface 250, and are planes that point downward (perpendicular to the vertical direction). Also, the pair of upper surfaces 41 and 42 of the elastic body 4 are planes that are connected to the front and rear ends 40c and 40d of the lower clamp surface 40, and are planes that point upward (perpendicular to the vertical direction).

[0074] Furthermore, the front surface 210 of the vertically extending side wall 21 (housing 2) is formed on the rear side of the lower surface 251 of the upper claw 25 and the upper surface 41 of the elastic body 4 (lower claw 3). With this configuration, by sandwiching the wood hoop 600 between the upper and lower claws 25, 3, the rectangular wood hoop 600 can be gripped using the pair of lower surfaces 251, 252 of the upper claw 25, the pair of front and rear upper surfaces 41, 42 of the elastic body 4 (lower claw 3), and the front surface 210 of the side wall 21.

[0075] The front surfaces 210 of the side walls 21 are formed in pairs, spaced apart on the left and right (see Figure 1). Therefore, even if the clamp 1 experiences movement that rotates the tips of the upper and lower claws 25,3 along the inner and outer surfaces of the wood hoop 600, such movement can be effectively restricted by the pair of front surfaces 210. Thus, the clamp 1 can be stably attached not only to the rods 200-400 (see Figures 5 and 6) and hoop 500, but also to the wood hoop 600.

[0076] Furthermore, the clamp of the prior art described above (U.S. Patent Application Publication No. 2012 / 0049025) has flat surfaces corresponding to the lower surface 251 and upper surface 41 of the upper and lower claws 25,3, but does not have surfaces corresponding to the lower surface 252 and upper surface 42 as in this embodiment. Moreover, in this prior art clamp, the member corresponding to the shaft 5 in this embodiment (screw 204) is exposed from the housing. With such a prior art clamp, it is difficult to stably grip the wood hoop 600.

[0077] On the other hand, in this embodiment, the wood hoop 600 can be stably gripped using the planes formed on both the front and rear ends of the upper and lower claws 25, 3, and the front surface 210 of the side wall 21, and the wood hoop 600 is gripped by the upper surfaces 41, 42 of the elastic body 4. As a result, the upper surfaces 41, 42 of the elastic body 4 can be brought into close contact with the inner (or outer) surface of the curved wood hoop 600, so that the clamp 1 can be stably attached to the wood hoop 600.

[0078] Although the above-described embodiments have been explained, the present invention is not limited in any way to the above embodiments, and it can be easily inferred that various improvements and modifications are possible without departing from the spirit of the present invention.

[0079] In the above embodiment, rods 200-400, hoops 500 and wood hoops 600 were given as examples of objects to which the clamp 1 can be attached, but it is not necessarily limited to these. The clamp 1 may also be attached to other components placed around the electronic musical instrument (or around equipment connected to the electronic musical instrument).

[0080] In the above embodiment, a device 100 such as a wireless adapter was given as an example of an object held by the clamp 1, but it is not necessarily limited to this. For example, an accessory (peripheral device) used in an electronic musical instrument, or something other than the device 100, may be held by the clamp 1. In addition, two or more objects may be held by the clamp 1, or objects may be held on the side of the housing 2.

[0081] In the above embodiment, a case was described in which a holding portion 26 is formed on the clamp 1 side, and engaging portions such as slide pieces 103a, 103b and hooks 105 that can be hooked onto the holding portion 26 are formed on the device 100 side. However, the embodiment is not necessarily limited to this. For example, a portion corresponding to the holding portion 26 may be formed on the device 100 side, while engaging portions that can be hooked onto the holding portion 26 may be formed on the clamp 1 side.

[0082] Furthermore, although the above embodiment describes a case in which the engaging portion that hooks onto the holding portion 26 is formed on the housing of the device 100 itself, for example, the engaging component equipped with the engaging portion may be formed separately from the housing of the device 100, and the engaging component may be attached to the device 100 afterwards. In other words, the method of holding the device 100 described in the above embodiment is just one example, and the device 100 may be held by the clamp 1 using other known holding methods.

[0083] In the above embodiment, the front surface 210 of the side wall 21 is located in front of the shaft 5, and the shaft 5 is not exposed in front of the housing 2. However, the embodiment is not limited to this. For example, one or both of the front surfaces 210 of the pair of side walls 21 may be located behind the front surface of the shaft 5.

[0084] In the above embodiment, the case in which the spacing between the upper and lower claws 24, 25, and 3 is adjusted by the vertical movement of the lower claw 3 was described, but this is not necessarily the only case. For example, the upper claws 24 and 25 may be moved up and down, or each of the upper and lower claws 24, 25, and 3 may be moved up and down individually.

[0085] In the above embodiment, a pair of upper claws 24 and 25 are formed with a gap between them on the left and right sides, and the elastic body 4 (lower claw 3) can pass between this pair of upper claws 24 and 25. However, the embodiment is not limited to this. For example, one or more upper claws may be formed, or multiple lower claws 3 may be formed side by side. Furthermore, the elastic body 4 (lower claw 3) may not be able to pass through the gap between the upper claws 24 and 25 that are arranged side by side.

[0086] In the above embodiment, the case in which a small-diameter clamping surface 250c is formed on the upper clamping surfaces 240 and 250 has been described, but the invention is not necessarily limited to this. For example, the small-diameter clamping surface 250c may be omitted, and the large-diameter clamping surface 250b and the front clamping surface 250d may be made into a single arc-shaped clamping surface (filling the small-diameter clamping surface 250c along the imaginary line V1 shown in Figure 4). Alternatively, a surface corresponding to the small-diameter clamping surface 250c (a surface capable of clamping the outer circumference 500a of the hoop 500) may be formed on the lower clamping surface 40. Furthermore, a clamping surface corresponding to the lower clamping surface 40 may be formed on the upper claws 24 and 25, while a clamping surface corresponding to the upper clamping surfaces 240 and 250 may be formed on the lower claw 3 (elastic body 4).

[0087] In the above embodiment, the case in which the lower clamp surface 40 is formed by an elastic body 4 fixed to the lower claw 3 has been described, but the invention is not necessarily limited to this. For example, the lower clamp surface 40 may be formed on the upper surface of the lower claw 3 instead of the elastic body 4, or the upper clamp surfaces 240 and 250 may be formed using the elastic body 4.

[0088] In the above embodiment, a case was described in which multiple protrusions 40e extending left and right are formed in a front-to-back arrangement on the upper surface of the lower clamp surface 40 of the elastic body 4, but the invention is not necessarily limited to this. For example, multiple protrusions 40e extending front and back may be formed in a front-to-back arrangement, or multiple protrusions 40e extending in a direction inclined with respect to the left-to-right direction may be formed in a front-to-back arrangement. Alternatively, textured protrusions 40e without such directionality may be distributed on the upper surface of the lower clamp surface 40, or the protrusions 40e may be omitted.

[0089] In the above embodiment, the case was described in which the lower surfaces 251, 252 of the upper claws 24, 25 and the upper surfaces 41, 42 of the elastic body 4 are planes perpendicular to the vertical direction, but this is not necessarily the case. For example, some or all of these surfaces 251, 252, 41, 42 may be inclined with respect to the front-rear direction, or may be formed as curved surfaces. [Explanation of Symbols]

[0090] 1 Clamp 2 cabinets 210 Front of the side wall (front of the enclosure) 24 Upper nail (first upper nail) 240 Upper clamping surface 25 Upper nail (second upper nail) 250 Upper clamp surface 250b Large diameter clamping surface (first clamping surface) 250c Small diameter clamping surface (second clamping surface) 250e Rear end of upper clamp surface 250f Front end of upper clamp surface 250g Upper end of the rear end of the upper clamp surface 251,252 Lower surface of the upper claw (upper plane) 3 Lower claw 4. Elastic body 40. Lower clamping surface (elastic clamping surface) 40c Rear end of lower clamp surface 40d Front end of the lower clamp surface 40e protrusion 40f Lower end of the rear end of the lower clamp surface 41,42 Upper surface (lower plane) of an elastic body 100 Equipment (retained items) 200-400 rods (target object) 500 hoops (objects) 600 Wood Hoop (Target Object) V2 virtual line (first virtual line) V3 Virtual Line (Second Virtual Line)

Claims

1. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. An upper clamping surface that is recessed upward is formed on the lower surface of the upper claw. The upper surface of the lower claw has a lower clamping surface that is recessed downwards. The upper clamp surface formed between the rear end of the upper clamp surface located at the rearmost part of the upper claw and the front end of the upper clamp surface located at the foremost part of the upper claw is positioned above the rear and front ends of the upper clamp surface. The lower clamp surface formed between the rear end of the lower clamp surface located at the rearmost part of the lower claw and the front end of the lower clamp surface located at the foremost part of the lower claw is positioned lower than the rear and front ends of the lower clamp surface. A clamp characterized in that, in a side view of the upper and lower claws, when a first imaginary line is defined as the imaginary line connecting the front end of the upper clamp surface and the upper end of the rear end of the upper clamp surface, and a second imaginary line is defined as the imaginary line connecting the front end of the lower clamp surface and the lower end of the rear end of the lower clamp surface, the distance between the first imaginary line and the second imaginary line gradually narrows toward the front.

2. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. An upper clamping surface that is recessed upward is formed on the lower surface of the upper claw. The upper surface of the lower claw has a lower clamping surface that is recessed downwards. It comprises a first upper claw and a second upper claw positioned at a distance from the side of the first upper claw, A clamp characterized in that, when the distance between the upper claw and the lower claw is narrowed, the lower clamp surface passes through the gap between the first upper claw and the second upper claw, thereby enabling the upper clamp surface and the lower clamp surface to intersect.

3. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. The lower surface of the upper claw is formed with an upper clamping surface that is recessed upward, and a pair of upper surfaces that are connected to both the front and rear ends of the upper clamping surface. The upper surface of the lower claw is formed with a lower clamping surface that is recessed downward, and a pair of lower planes that are connected to both the front and rear ends of the lower clamping surface. On the rear sides of the upper and lower planes, a pair of front surfaces of the housing, extending vertically, are formed with a gap between them from left to right. A clamp characterized in that it is possible to grasp the object using the upper plane, the lower plane, and the front surface.

4. It comprises a first upper claw and a second upper claw positioned at a distance from the side of the first upper claw, The clamp according to claim 1, characterized in that when the distance between the upper claw and the lower claw is narrowed, the lower clamp surface passes through the gap between the first upper claw and the second upper claw, thereby making it possible to intersect the upper clamp surface and the lower clamp surface.

5. The lower surface of the upper claw has a pair of upper planes that are connected to both the front and rear ends of the upper clamping surface. The upper surface of the lower claw has a pair of lower planes formed on both the front and rear ends of the lower clamp surface. On the rear sides of the upper and lower planes, a pair of front surfaces of the housing, extending vertically, are formed with a gap between them from left to right. The clamp according to claim 1, characterized in that it is possible to grasp an object with the upper plane, the lower plane, and the front surface.

6. The clamp according to any one of claims 1 to 5, characterized in that at least one of the upper clamp surface and the lower clamp surface comprises a first clamp surface and a second clamp surface connected to the front end of the first clamp surface and having a smaller radius of curvature than the first clamp surface.

7. The clamp according to any one of claims 1 to 5, characterized in that at least one of the upper clamp surface and the lower clamp surface is made of an elastic material.

8. The clamp according to claim 7, characterized in that a plurality of protrusions are formed on the clamp surface made of the elastic material.

9. The clamp according to claim 8, characterized in that a plurality of the protrusions extending in the left-right direction are formed in the front-rear direction on the clamp surface made of the elastic material.

10. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. An upper clamping surface that is recessed upward is formed on the lower surface of the upper claw. The upper surface of the lower claw has a lower clamping surface that is recessed downwards. The upper clamp surface formed between the rear end of the upper clamp surface located at the rearmost part of the upper claw and the front end of the upper clamp surface located at the foremost part of the upper claw is positioned above the rear and front ends of the upper clamp surface. A method for mounting a clamp in which the lower clamp surface, formed between the rear end of the lower clamp surface located at the rearmost part of the lower claw and the front end of the lower clamp surface located at the foremost part of the lower claw, is positioned lower than the rear and front ends of the lower clamp surface, A method for attaching a clamp, characterized in that, in a side view of the upper and lower claws, when a first imaginary line is drawn connecting the front end of the upper clamp surface and the upper end of the rear end of the upper clamp surface, and a second imaginary line is drawn connecting the front end of the lower clamp surface and the lower end of the rear end of the lower clamp surface, the clamp is attached to the object by gripping the object with the upper and lower clamp surfaces, which are formed such that the distance between the first and second imaginary lines gradually narrows toward the front.

11. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. An upper clamping surface that is recessed upward is formed on the lower surface of the upper claw. The upper surface of the lower claw has a lower clamping surface that is recessed downwards. A method for mounting a clamp comprising a first upper claw and a second upper claw positioned at a distance from the side of the first upper claw, A method for attaching a clamp, characterized in that when the distance between the upper claw and the lower claw is narrowed, the lower clamp surface passes through the gap between the first upper claw and the second upper claw, thereby gripping the object with the upper clamp surface and the lower clamp surface which can intersect each other, and thereby attaching the clamp to the object.

12. It comprises a housing capable of holding an object, and upper and lower claws that protrude forward from the housing and can grasp an object by adjusting the vertical distance between them. The lower surface of the upper claw is formed with an upper clamping surface that is recessed upward, and a pair of upper surfaces that are connected to both the front and rear ends of the upper clamping surface. The upper surface of the lower claw is formed with a lower clamping surface that is recessed downward, and a pair of lower planes that are connected to both the front and rear ends of the lower clamping surface. A clamp mounting method wherein a pair of front surfaces of the housing, extending vertically, are formed on the rear sides of the upper and lower planes, spaced apart from each other on the left and right sides, A method for attaching a clamp, characterized in that the clamp is attached to an object by gripping the object with the upper plane, the lower plane, and the front surface.

Images