JP2000220792A - Dust protective cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a revolutionary dust protective cover with a simple construction capable of being used as a dust protective cover just by attaching it to the arm with an attaching part and freely moving a cover body so as to perform work easier just by moving the arm. SOLUTION: The dust protective cover protects a workman from dust occurring during cutting of an object-to-be-cut 2 with a cutting tool 1. A transparent dome type cover body 5 having at least a bottom opened is provided in a protruding state on an attaching part 4 attached to an arm part 3 in a fitted state and is composed so as to protrude in a state wherein the cover body 5 covers at least an upper side of a hand of the arm part 3 having the attaching part 4 attached. The size of the cover body 5 is set so that when cutting work is performed by holding the cutting tool 1 or the object-to-be-cut 2 in the hand of the arm part 3 having the attaching part 4 attached and holding the cutting tool 1 or the object-to-be-cut 2 in the other hand, at least an upper side of both of these hands is covered.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dust protection cover for protecting a worker from dust generated when cutting a workpiece with a cutting tool.

[0002]

2. Description of the Related Art For example, when making teeth for dentures and dentures, a dental technician holds a cutting tool in one hand and cuts it in the other hand to form dentures and dentures. It is made by cutting with an object that can be used as a tooth for cutting, but during this cutting operation, dust naturally occurs, so usually workers do not inhale this dust or get into the eyes, She wears glasses and a mask on her face for cutting.

However, in rare cases, dust may enter from the side of the glasses or may be sucked through the mask, so that the glasses and the mask alone were not sufficient as a countermeasure against the dust.

[0004] Conventionally, for example, a movable arm protrudes from a work desk or a ceiling, and a transparent hood cover is provided at the tip of the movable arm, so that the movable arm can be freely moved by hand. There is also a cover device, and it seems that if such a cover device is used in combination, a sufficient dust prevention measure effect can be obtained.

[0005] However, in such a cutting operation, since the operation of observing the shaving condition of the object to be cut is performed over and over again and again, the hood cover is removed immediately before each operation and the cutting operation is restarted. In doing so, the operation of returning the hood cover to the original position must be repeated, and this operation was very troublesome.

[0006] In addition, when it is desired to move the hood cover to a more easily viewable position during the cutting operation, a strict positioning operation is required. Therefore, in some cases, the cutting tool or the workpiece to be held may be removed one by one. It is necessary to release the hood cover with both hands and adjust the position of the hood cover, and it is very troublesome to hold the cutting tool and the workpiece again when restarting the cutting work, and the equipment cost for installing this cover device There was a problem such as hanging.

SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and is intended to solve the problem.
At least a transparent dome-shaped cover body with an opening at the bottom is provided in a protruding state, so that it can be used as a dust protection cover simply by attaching it to the arm with the attachment part, and it is easy to work by simply moving the arm It is an object of the present invention to provide an epoch-making dust protection cover having a simple configuration in which a cover body can be freely moved.

[0008]

The gist of the present invention will be described with reference to the accompanying drawings.

A dust protection cover for protecting a worker from dust generated when cutting the workpiece 2 with the cutting tool 1, wherein at least a lower portion of the mounting portion 4 which is fitted to the arm portion 3 has an opening. The transparent dome-shaped cover body 5 is provided in a protruding state, and the cover body 5 is configured to protrude so as to cover at least the upper part of the hand of the arm 3 to which the mounting portion 4 is attached. The size of the arm 3 to which the mounting portion 4 is attached is held by the hand of the cutting tool 1 or the cut object 2 in the hand, and the other hand is held by the hand of the cut object 2 or the cutting tool 1 to perform the cutting operation. The present invention relates to a dust protection cover characterized in that the size is set so as to cover at least the upper portions of both hands when the operation is performed.

Further, the cover body 5 is made of a transparent resin, according to the dust protection cover according to claim 1, wherein the cover body is made of a transparent resin.

The mounting portion 4 is formed in a C-shaped ring rod shape, and an open portion 6 between both ends of the C-shaped ring rod-shaped mounting portion 4 is detachably fitted to and attached to the arm portion 3. 3. The method according to claim 1, wherein the control unit is configured to obtain the control signal.
The present invention relates to the dust protection cover described in the section.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

When the mounting portion 4 is mounted on the arm portion 3 in a fitted state, the dome-shaped cover body 5 protruding from the mounting portion 4
The upper part of the hand of the arm 3 to which the attachment part 4 is attached is covered.

For example, when the workpiece 2 is held with the hand covered by the cover body 5 and the cutting tool 1 is brought close to the workpiece 2 with the other hand, Both the hand holding the cutting tool 1 and the hand holding the workpiece 2 are covered by the cover body 5 together with the cutting tool 1 and the workpiece 2.

When the cutting operation is performed, dust is generated. Since both the cutting tool 1 and the workpiece 2 are covered by the cover body 5, the dust generated by the cutting is removed by the cover body 5. It is shielded from scattering toward the worker, and an excellent dustproof effect can be obtained.

Accordingly, the cover body 5 which exerts the excellent dustproof effect as described above can be obtained by merely fitting the mounting portion 4 to the arm portion 3 so that the cover member 5 can be installed like a conventional mechanical cover device. -A transparent dome-shaped cover body 5 having at least a lower opening is protruded from the mounting portion 4 which is simply mounted on the arm portion 3 in addition to an excellent cost-free, easy-to-install and easy-to-handle structure. Since this is a simple configuration that is simply provided in a state, this configuration is a configuration that can be easily designed and realized, and an inexpensive product that excels in mass productivity can be provided.

In the cutting operation, the cover body 5 can be freely moved by moving the arm 3 to which the mounting part 4 is attached, so that the cover body 5 can be easily moved to a position that is easy to see. Even when it is desired to see the cutting condition of the workpiece 2 in the middle of cutting, the operator can move the arm 3 so that the cover body 5 is turned over and observe the workpiece 2 that does not pass through the cover from the lower opening 7. Therefore, even if this operation is a repetitive operation, there is no trouble as in the conventional mechanical cover device, and the operability is remarkably superior to that of the conventional device.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

This embodiment shows a case where the present invention is applied to a dust protection cover for a dental technician. That is, the present invention is applied to a dust protection cover that protects an operator from dust generated when cutting the workpiece 2 (the denture in the drawing) with the cutting tool 1.

Attachment 4 attached to arm 3 in a fitted state
In addition, a transparent dome-shaped cover body 5 having an open bottom is provided in a protruding state.

More specifically, the mounting portion 4 of the present embodiment is formed in the shape of a C-shaped ring rod, and the open portion 6 between both ends of the C-shaped ring rod-shaped mounting portion 4 is connected to the arm portion 3. It is configured so that it can be detachably fitted to the device.

The C-shaped ring-shaped mounting portion 4 is
It is configured to have elasticity so that the elasticity allows the open portion 6 to be fitted and locked to the arm portion 3 with a snap. Therefore, it can be attached to the arm 3 very easily.

Further, in this embodiment, the cover body 5 is configured to protrude so as to cover the upper part of the hand of the arm 3 to which the mounting portion 4 is mounted.

The cover body 5 of this embodiment is made of a transparent resin, is lighter in weight than glass or the like, and is configured to be easy to use when used.

The size of the cover body 5 is determined by holding the cutting tool 1 or the work 2 in the hand of the arm 3 to which the mounting portion 4 is attached, and holding the work 2 in the other hand. Alternatively, the peripheral portion of the lower opening 7 is set to have a size that can cover the upper part of both hands when performing the cutting operation with the cutting tool 1 and to prevent dust from scattering in the lateral direction. Is long downwardly suspended.
Although not shown in this embodiment, if the peripheral portion of the lower opening 7 is formed by being bent inward and bent, an effect of preventing dust from scattering downward can be obtained, and a more excellent dustproof effect is exhibited. This is desirable.

Next, the operation and effect of the present embodiment will be described along with the operation.

When the mounting portion 4 is mounted on the arm 3 in a fitted state, the cover body 5 protruding from the mounting portion 4 covers the upper part of the hand of the arm 3 to which the mounting portion 4 is mounted.

For example, when the workpiece 2 is held with the hand covered with the cover body 5 and the cutting tool 1 is brought close to the workpiece 2 with the other hand, Both the hand holding the cutting tool 1 and the hand holding the workpiece 2 are covered by the cover body 5 together with the cutting tool 1 and the workpiece 2.

When the cutting operation is performed, dust is generated. Since both the cutting tool 1 and the workpiece 2 are covered by the cover body 5, the generated dust is removed by the worker by the cover body 5. Is shielded from approaching, and an excellent dustproof effect can be obtained.

Further, the cover body 5 can be freely moved by moving the arm 3 to which the mounting portion 4 is attached.
It is easy to move the cover body 5 to a position where it is easy to see, and even if you want to see the shaving condition of the workpiece 2 well during cutting, just move the arm 3 so that the cover body 5 is turned over and bring it close to your eyes. Thus, the workpiece 2 that is not over the cover can be seen up close.

The configuration of the mounting portion 4 is not limited to this embodiment. For example, the mounting portion 4 in the form of a C-shaped ring rod may have no elasticity, or may have a C-shaped ring rod shape. Instead, it may be configured in an O-ring shape.

[0032]

Since the present invention is constructed as described above, at least the upper part of both the cutting tool and the object to be cut is covered by the cover, so that dust generated by this cutting is removed by the cover toward the worker. It is possible to obtain an excellent dustproof effect by being shielded from flying toward, and furthermore, at the time of cutting work, it is possible to freely move the cover body by moving the arm with the mounting part attached, The cover body can be easily moved to a position where it is easy to see, and when you want to see the cutting condition of the work piece well during cutting, simply move the arm so that the cover body is turned over and pass through the cover from the lower opening. Can be observed up close, so even if this work is repeated work, it has a very excellent operability without the hassle of a conventional mechanical cover device. Moreover, simply by fitting the mounting portion to the arm portion, the cover body can exhibit the excellent dustproof effect as described above, so that installation and equipment costs are not required as in a conventional mechanical cover device, It has an excellent structure that is easy to attach and easy to handle, and has a simple configuration in which a transparent dome-shaped cover body with at least a lower opening is provided in a protruding state on a mounting portion that is simply fitted to an arm. This configuration is a configuration that can be simply designed and realized, and is an epoch-making dust protection cover that is extremely excellent in practical use, such as being able to provide an inexpensive product with excellent mass productivity.

In the second aspect of the present invention, since the cover is made of a transparent resin, the transparent resin is lighter and easier to handle than glass and the like, and does not require any component cost and is less expensive. It is a revolutionary dust protection cover with an excellent configuration, such as being able to provide simple products.

According to the third aspect of the present invention, it is possible to easily design and realize a mounting portion having a structure capable of being fitted to the arm portion, and it is possible to realize a very excellent mass productivity and an inexpensive configuration. It is an epoch-making dust protection cover.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing a use state of the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cutting tool 2 Workpiece 3 Arm 4 Mounting part 5 Cover 6 Open part

Claims (3)

[Claims] 1. A dust protection cover for protecting a worker from dust generated when cutting an object to be cut by a cutting tool, wherein a transparent portion having at least a lower opening is provided on a mounting portion to be fitted to an arm portion. The dome-shaped cover body is provided in a protruding state, and the cover body is configured to protrude so as to cover at least the upper part of the hand of the arm on which the mounting portion is mounted. Holding the cutting tool or workpiece in the hand of the arm with the part attached,
A dust protection cover characterized in that it is set to have a size that can cover at least the upper part of both hands when a cutting operation is performed by holding the object to be cut or the cutting tool with the other hand. 2. The dust protection cover according to claim 1, wherein the cover is made of a transparent resin. 3. The mounting portion is formed in a C-shaped ring rod shape, and an opening between both ends of the C-shaped ring rod mounting portion is detachably fitted to the arm portion. The dust protection cover according to any one of claims 1 and 2,