JPH1034548A - Tightening tool for caster and rotary aid used in this tightening tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tightening tool for a caster and a rotary aid used in this tightening tool which can easily mount a direction free caster with a small number of mounting support parts. SOLUTION: In a tightening tool main unit 32 having a handle for mounting/ demounting a direction free caster having a washer based bolt by turning, a mounting plate 35 provided with an arm 36 brought into contact with both sides of a washer is formed. A hook means 38 supporting the caster in a rotatable condition with this mounting plate 35 is provided in the tightening tool main unit 32, and a tightening tool for the caster is formed. A holding main unit having a pair of slits in one end to be provided with a grip in the other end side is mounted in the tightening tool main unit 32, to be turned, so that the caster can be rotated by small force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caster tightening tool which can be easily mounted on a caster which is freely directional and can be mounted by screwing, and a rotation assisting tool used for the tightening tool.

[0002]

2. Description of the Related Art A screw-in type caster in which bolts are arranged on a mounting portion holds a main body of the caster,
The caster can be mounted by screwing it into the mounting portion while rotating the bolt. However, when the direction-adjustable caster is mounted while holding the main body, the main body part rotates and the force is not applied to the bolt part,
It is impossible to install casters. Therefore, the bolt is mounted while holding the bearing surface.

[0003]

It is very difficult to rotate the bolt, which is the mounting portion, while holding the seat surface of the freely adjustable caster that is difficult to grasp.
Further, as the screwing progresses, the mounting surface and the caster body come closer to each other, so that the number of holding portions is further reduced and it becomes difficult to hold the seating surface, so that a completely tightened mounting is impossible. Was. Therefore, a final tightening had to be performed by applying a flat wrench or the like to the bearing surface.
Also, since the casters are mounted after the product has been painted, paint or glossy lacquer etc. will adhere to the bolt insertion part of the mounting part, making it more difficult to insert the bolt. There are many. In such a state, the rotational resistance of the bolt becomes large, and it is difficult to mount the caster while supporting it. SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and is a fastening tool that supports a bolt portion of a caster in a rotatable state, and the caster is rotated to thereby increase the rotational resistance. An object of the present invention is to provide a fastener for a caster that can be easily attached to a part and a rotation assisting tool used for the fastener.

[0004]

In order to solve the above problems, the present invention has the following arrangement. The fastener for a caster according to claim 1, wherein an arm for abutting on both sides of the seat is provided on a fastener body provided with a handle for rotatingly attaching and detaching a caster having a nut-shaped seat bolt. A mounting plate was formed. A caster fastening tool is provided by integrally providing with the mounting plate a locking means that is supported on a part of the caster and rotatably supports the caster together with the mounting plate. The fastening tool for a caster according to claim 2, wherein an arm that abuts on both sides of the seat is provided on a fastening tool body provided with a handle for rotating and removing a caster having a nut-shaped seat bolt. A mounting plate was formed. By providing a latching means that is pressed into contact with a part of the caster and latches integrally with the mounting plate,
A caster fastener was used. The rotation assisting tool according to claim 3, wherein a slit for supporting the opposite sides of the fastener body so as to sandwich the same is provided with a rod-shaped grip at the other end of the holding body provided at one end thereof. Thus, a rotation assisting tool was used.

[0005]

[Function] While the arm of the mounting plate abuts against the seat surface of the bolt,
The caster can be supported by the hooking means and the fastener body having the mounting plate by hooking the hooking means on a part of the caster. By gripping and rotating the handle provided on such a fastener body, the caster can be easily attached to the caster attachment portion to which paint, lacquer, or the like has adhered. In addition, by attaching the rotation assisting tool to the fastener body, the caster can be attached with even less force.

[0006]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a fastener for a caster of the present invention, FIG. 2 is an explanatory view showing attachment to the caster of FIG. 1, and FIG. As shown in FIG. 1, the fastener 10 of the caster includes a fastener body 12 having a handle 13, an attachment plate 15 provided at one end of the fastener body and having a pair of arms 16, and a fastener. It comprises a pair of locking means 18 provided on the other end side of the main body 12. About these fastener main body 12, mounting plate 15, and hooking means 18,
This will be described in more detail.

The fastener body 12 is formed of a rectangular plate, and a rod-shaped handle 13 formed upright on the plate.
A mounting plate 15 and a hooking means 18 are provided at both ends of the fastener body 12. The mounting plate 15 is formed so as to extend in a direction orthogonal to the fastener body 12, and has a pair of arms 16 by providing a U-shaped notch 17 at the center of the tip. The pair of arms are to be brought into contact with a seat of a seat bolt provided on a caster described later. The hooking means 18 extends in a direction perpendicular to the fastener body 12 and is further bent to form a U-shape. The U-shaped bent portion is hooked to a part of the caster. It is to make it.

[0008] The fastener 1 for a caster thus constructed.
An example of using 0 will be described. As shown in FIG. 2, the caster 20 is provided with a disk-shaped rotating body 22 and a curved cover 23 so as to cover a part of the peripheral wall of the rotating body. This caster is mounted by screwing a bolt 26 with a seat 27 provided to protrude from the cover 23. The bolt 26 with the seat is
The caster 20 is a freely movable caster 20 that is rotatably mounted in a cylinder protruding from the cylinder. Therefore, holding the rotating body 22 and the cover 23 of the caster,
Even if the bolt 26 is screwed in, it cannot be screwed into the mounting portion on the other side because the bolt rotates. Therefore, unless the bolt 26 with the seat 27 is held and the bolt is turned, it is impossible to mount the bolt 26 on the mating nut portion.

As shown in FIGS. 2 and 3, the end of the cover 23 is inserted into such a caster 20 into the curved portion of the hooking means 18 constituting the fastener 10 of the caster. Attach. Further, the mounting plate 15 having a pair of arms 16 is mounted so as to sandwich the side wall of the seat 27 of the seat bolt 26. According to such mounting, the locking means 18 positioned by the cover 23 is also fixed to the mounting plate 15 side integrated by the fastener body 12, so that the bolts 26 with the seats 26 are Rotation can be prevented. Therefore, the fastener 10 of the caster attached to the caster as described above rotates the handle 13 in the direction of the arrow shown in FIG.
0 can be attached and detached.

Another example of the present invention will be described with reference to the drawings. FIG. 4 is a perspective view of a fastener for a caster showing another example of the present invention, and FIG. 5 is an exploded perspective view of FIG. 4 as viewed from the back side. As shown in FIG. 4, the fastener 30 of the caster shown in another example of the present invention has a plate-shaped fastener main body 32 having a handle 33 and a hook-like bent at one end of the fastener main body. Mounting plate 3 having a pair of arms 36
5 and a plate-shaped engaging means 38 provided on the back surface side of the fastener body 32 so as to face the mounting plate. The fastener main body 32, the mounting plate 35, and the hooking means 38 will be described in more detail.

As shown in FIG. 5, the fastener main body 32 is composed of a substantially rectangular flat plate and a column-shaped handle 33 arranged upright and rotatable on the plate. A mounting plate 35 and a hooking means 38 are provided so as to face one end. The handle 33 is formed in a columnar shape, and is fixed to a screw hole 34 provided in the fastener body 32 so as to be rotatable in a direction indicated by an arrow in the drawing. The mounting plate 35 is attached to the fastener main body 32.
Is bent in the shape of a hook, and a U-shaped notch 37 is provided at the center of the tip, thereby providing a pair of arms 36. The pair of arms are to be brought into contact with a seat of a seat bolt provided on the caster. The locking means 38 is made of a flat plate having elasticity, and is opposed to the hook-shaped bent mounting plate 35 so as to be separated therefrom. Utilizing a hole 39 provided at one end of the hooking means 38 and a screw hole 34 provided in the fastener body 32, it is fixed with a screw or the like. Therefore, the locking means 3
8 can be elastically deformed in a direction indicated by an arrow in the drawing shown in FIG. 4, and a part of the caster is sandwiched between the hooking means 38 and the mounting plate 35, whereby the caster is formed. Is attached.

[0012] The fastener 3 of the caster thus configured.
An example of using 0 will be described with reference to the drawings. FIG. 6 is an explanatory diagram showing an example of use of FIG. 5, and FIG. 7 is an explanatory diagram showing a state in which FIG. 6 is combined. The caster 40 shown in FIG.
A disk-shaped rotator 42 and a support 4 for supporting the rotator
3 and a bolt 46 with a seat 47 protruding from the support table, and the bolt portion is of a freely rotatable type that rotates in a direction indicated by an arrow in the figure. How to attach the caster fastener 30 to such a caster will be described. FIG.
As shown in the figure, the caster fastener 30 has its mounting plate 35
The arm 36 provided on the caster is mounted on a seat 47 of a bolt with a seat on the caster.
3 and the rotating body 42. The interval between the hooking means 38 and the mounting plate 35 is set to an interval which can be inserted and supported inside the seat 47 and the support table 43, and the hooking means 3
8 can be attached to casters by having an elastic action. With this mounting, the arms 36 of the mounting plate 35 are disposed on both sides of the seat 47, and the elastic action of the latching means 38 presses the support base 43 to mount the arm 36 as shown in FIG. can do. Inside the support, the mounting plate 3 is inserted in such a manner that the width of the base of the hooking means 38 is in contact with each other, and is integrated with the hooking means.
5, the rotation of the bolt 46 can be prevented. Therefore, when the handle 33 is moved in the direction shown by the arrow in the figure in the state shown in FIG. 7, the caster is turned around the bolt 26 and the caster can be attached and detached.

With reference to the drawings, a description will be given of a rotation assisting device that can completely tighten the caster screwed in the situation of FIG. FIG. 8 is an explanatory view showing a rotation assisting tool and an example of its use. As shown in FIG. 8, a rotation assisting tool 50 used as a fastener for a caster has a holding body 52 having a U-shaped tip and a bar-shaped grip 55 at the other end.
And a slit 54 provided in the U-shape of the holding body. The slits are a pair of slits provided to face each other on the inner wall surface opened in a U-shape. In other words, the rotation assisting tool 50 is provided with a pair of opposed slits at the tip of the rod. As shown in FIG. 7, the rotation assisting tool 50 configured as described above is used to
Is used in a state mounted on the caster 40. That is, the fastener body 32 forming the fastener 30 of the caster
The rotation assisting tool 50 is inserted into the handle 33 side of the rotary shaft. The plate body of the fastener main body 32 is inserted into the slit 54 of the rotation assisting tool 50 as shown in FIG. 8 and the grip is moved in the direction shown by the arrow in the figure, so that the final fastening or , For removing casters that have been completely tightened. This rotation assisting tool 50 is used as a fastener 3 for the caster.
When it is attached to 0, the position of the handle of the fastener of the caster is
Since the caster screw bolt is set far from the rotation center, the caster having a large tightening force can be easily attached and detached with a small force.

[0014]

As described above, according to the present invention, the following effects can be obtained by using the caster fastener which is mounted so that the rotatable mounting portion of the directional control caster is integrated with the caster body. Could be obtained. In other words, a directional caster that can only be screwed in while supporting a portion of the bolt that is difficult to hold can be easily attached. According to the fastener for the caster, the caster can be easily attached to the attachment portion where the paint or the lacquer adheres and the attachment is difficult. In addition, since the caster can be moved to the mounting part without falling while it is mounted on the fastener, not only can the mounting work be performed reliably, but also the caster can be easily made with a small force by using the rotation assisting tool It was possible to obtain such effects as being able to be attached to a vehicle.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a fastener for a caster of the present invention.

FIG. 2 is an explanatory view showing attachment to a caster of FIG. 1;

FIG. 3 is an explanatory view showing the completion of mounting in FIG. 2;

FIG. 4 is a perspective view showing a fastener for a caster in another example of the present invention.

FIG. 5 is an exploded perspective view showing a state in which FIG. 4 is viewed from the back side.

FIG. 6 is an explanatory diagram showing a usage example of FIG. 5;

FIG. 7 is an explanatory diagram showing a combination state of FIG. 6;

FIG. 8 is an explanatory view showing a rotation assisting tool of the present invention and an example of its use.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Tightening tool of caster 12 Tightening tool main body 13 Handle 15 Mounting plate 16 Arm 18 Locking means 20 Caster 26 Bolt 27 Seat 30 Caster tightening tool 32 Fastening tool main body 33 Handle 35 Mounting plate 36 Handle 38 Locking means Reference Signs List 40 caster 46 bolt 47 seat 50 rotation assisting tool 52 holding body 54 slit 55 grip

Claims (3)

[Claims] 1. A fastener body provided with a handle for rotating and removing a caster having a nut-shaped seat bolt at the tip thereof, and a nut-shaped seat provided on the fastener body. A mounting plate provided with arms abutting on both sides of the mounting plate; and a locking means integrally formed with the mounting plate, locking on a part of the caster and supporting the caster together with the mounting plate so as to be rotatable. Caster fastening tool. 2. A fastener body provided with a handle for rotating and removing a caster having a nut-shaped seat bolt at its tip, and a nut-type seat provided on the fastener body. A fastener for a caster, comprising: a mounting plate provided with arms to be mounted on both sides of the caster; and a latching means formed integrally with the fastener main body and latching in a state of being pressed against a part of the caster. 3. A rotating body comprising a holding body provided with a slit at one end thereof for supporting two opposing sides of the fastener body so as to sandwich the same, and a rod-shaped grip provided at the other end of the holding body. Aids.