JPH0832246B2 - Anti-slip device for furniture leg members - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present application relates to a non-slip device to be attached to a leg member of furniture such as a chair and a table made of pipe.

Conventional technology The anti-slip device can be installed by winding a plate piece around the outer periphery of the leg member and pushing the locking piece and the locked piece at both ends of the leg piece into the hole. When using furniture such as chairs and tables in a gymnasium, for example, legs bent upward in a U-shape to prevent the furniture from slipping on the floor and damaging the floor. A slip stopper made of synthetic resin or the like is attached to the lower piece of the member.

This anti-skid device is generally used when plating the leg members.
It is mounted using the water drain holes provided on the lower surface of the lower piece left and right position, and the required condition is that the mounting operation is easy, and after mounting, the anti-skid device is separated from the leg member by external force. It is a configuration that does not.

By the way, conventionally, a locking projection that locks with a drain hole provided in a lower piece of a leg member is integrally provided at a center position of an inner surface of a fitting member made of a synthetic resin having a C-shaped cross section. The non-slip device constituted by, for example, Japanese Utility Model Publication No. 52-142513 or Japanese Utility Model Publication 58-43
It is known in Japanese Patent Publication No. 900.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in any of the conventionally known ones, since the upper part of the fitting member is opened in a state where the anti-skid is fitted to the lower piece of the leg member, the use of the chair There has been a fear that a person often hooks the heel of a shoe on the open end of the fitting member and applies a downward external force to the fitting member, whereby the anti-skid device is pulled out from the leg member.

Means for Solving the Problems Therefore, in order to eliminate the disadvantages of the conventional ones, the present application has, on both ends of a plate piece having a length capable of being wound around the lower piece of the leg member, on the lower piece of the leg member. Characterized in that each of them is engaged with each other in the hole, and a locking piece and a locked piece that can be locked in the leg member are provided respectively, and preferably,
The locking piece and the locked piece are made of a hard synthetic resin, and these are provided upright on both ends of the plate piece. The locking piece is formed in a downward U shape so as to have an engaging concave portion inside, and a locking step portion is provided on the inner surface thereof, and the locked piece has a thickness that can be pressed into the engaging concave portion. In addition to the above, a locking step portion that locks with the locking step portion is provided. By doing so, it becomes easy to attach the lower piece of the leg member to the hole for draining water, and In order to ensure the locking of the locking piece with respect to the hole of the leg member, the locking position of the locking step portion is configured to be at a position removed from the inner peripheral surface of the lower piece of the leg member, and further, the floor surface. In order to improve the cushioning effect when it is grounded, a cushioning layer made of a soft synthetic resin is provided on the outer surface of both ends of the plate piece.

Therefore, the locking piece is engaged with the hole provided in the lower piece of the leg member, the plate piece is wound around the outer circumference of the lower piece, and the plate piece is locked in the hole while being tensioned. By pressing the piece, the locking step portions of the locking piece and the locked piece are locked.

In the above, the locking piece is formed in a downward U-shape and has an engaging concave portion inside, and a locking step portion is provided on the inner surface thereof, and the locked piece is the engaging concave portion. When it has a thickness that allows it to be press-fitted therein and is provided with a locking step portion that locks with the locking step portion, the locked piece is pressed into the engaging portion of the locking piece.

Therefore, when the locked piece is press-fitted, the locking piece comes into close contact with the hole,
In particular, when the locking position of the locking step is at a position removed from the inner peripheral surface of the lower piece of the leg member, the locking piece expands at the position removed from the inner peripheral surface of the lower piece to form a hole. The locking of is strong.

Embodiments Embodiments of the present application will be described in detail with reference to the drawings. The present application describes a rectangular plate piece (1) having a length substantially corresponding to the outer peripheral length of a lower piece of a leg member (10) made of a pipe. A locking piece (2) which is engaged with a water draining hole (11) provided in a lower piece of the leg member (10) at both ends, and a locked piece which is locked with the locking piece (2). (3) is integrally provided.

That is, the plate piece (1), the locking piece (2) and the locked piece (3) are integrally molded of a hard synthetic resin such as nylon, or the plate piece (1) is made of a soft synthetic resin such as vinyl chloride. And the locking piece (2) and the locked piece (3)
Only is integrally molded as a hard synthetic resin.

The locking pieces (2) and (3) are provided with the drain hole (1).
The plate piece (1) has a width corresponding to the length of (1) and is provided upright in the central position of both ends of the plate piece (1) so as to extend longer than the material thickness of the leg member (10).

The locking piece (2) is formed in a downward U-shape and has a locking recess (2) a inside, and a locking step (2) b is provided on the upper side of the inner surface of the freeing side, and at the lower end. Outward facing stop pieces (2) c are provided respectively.

Further, the locked piece (3) has a thickness that allows it to be press-fitted into the engagement recess (2) a, and a locking for locking with the locking step (2) b on the upper side of the inner surface thereof. Step (3) a
Is provided.

Furthermore, buffer layers (4) made of a soft synthetic resin such as vinyl chloride are integrally provided on the outer surfaces of both ends of the plate piece (1) along the width direction thereof. (5) is an intervention recess of the stop piece (2) c.

Then, when attaching to the lower piece of the leg member (10), the engaging piece (2) is first inserted into the hole (11), and the stop piece (2) is attached.
c is locked to the outer end of the hole (11) and the plate piece (1)
Is wound around the outer periphery of the lower piece of the leg member (10), and the locked piece (3) is placed in the engaging recess (2) a of the locking piece (2) while the plate piece (1) is tensioned. Press into.

Then, the locked piece (3) forcibly intervenes in the engagement concave portion (2) a of the locking piece (2), and with this being sufficiently performed, disengages from the inner peripheral surface of the leg member (10). At this position, the locking step portions (2) c and (3) a are locked, and the locking piece (2) bulges outward at that position.

Therefore, by pressing the locked piece (3) into the engaging recess (2) a of the locking piece (2), the locking piece (2) is inserted into the hole (1).
1) Close contact with the inside, and locking steps (2) c and (3) a
The locked piece (3) will not be disengaged from the engaging recess (2) a, and the locked state with respect to the hole (11) will be reliable.

EFFECTS OF THE INVENTION Since the present application is configured as described above, the opening of the fitting member is pressed against the leg member while it is fitted thereto, and the locking projection is used for draining water as in the conventional case. In comparison with the operation of engaging in the hole of the leg member, the leg member can be easily mounted, and the locked state in the hole can be surely obtained. Since it does not exist on the surface, the fear that external force is applied due to the heel of the shoe can be eliminated.

In particular, the locking piece is formed in a downward U-shape, has an engaging concave portion inside, and has an engaging step portion on its inner surface,
Further, when the locked piece has a thickness that can be press-fitted into the engagement recess and is provided with a locking step portion that locks with the locking step portion, the locking piece is engaged in the hole. After that, the locked piece is press-fitted into the engagement recess, so that the locking piece can be easily locked in the hole, and the locking position of the locking means is greater than that of the inner peripheral surface of the lower piece of the leg member. When in the disengaged position, there is an advantage that the locking of the locking piece in the hole becomes more reliable.

[Brief description of drawings]

The drawings show the embodiments of the present application. FIG. 1 is a partially omitted plan view, FIG. 2 is a front view of the same, and FIG. 3 is a vertical cross-sectional view of a state of use. In the figure, (1) is a plate piece, (2) is a locking piece, (2) a is an engaging recess, (2) b is a locking step, (3) is a locked piece, (3).
a is a locking step portion, and (4) is a buffer layer.

Claims (5)

[Claims] 1. A leg member having a length capable of being wound around an outer periphery of a leg member, both ends of which are inserted into holes formed in the leg member lower piece, respectively, and in the leg member. A non-slip device for a leg member of furniture, characterized in that a locking piece and a locked piece capable of being locked are provided respectively. 2. A non-slip device for a leg member of furniture according to claim 1, wherein at least the locking piece and the locked piece are made of a hard synthetic resin, and these are provided upright on both ends of the plate piece. 3. A locking piece is formed in a downward U-shape, has an engaging concave portion inside, and has a locking step portion on its inner surface, and the locked piece is the engaging piece. The anti-skid device for a leg member of furniture according to claim 1 or 2, which has a thickness capable of being press-fitted into the fitting recess and is provided with a locking step portion that locks with the locking step portion. 4. The non-slip device for a leg member of furniture according to claim 3, wherein the locking position of the locking step is at a position separated from the inner peripheral surface of the lower piece of the leg member. 5. The non-slip device for a leg member of furniture according to claim 1, 2, 3 or 4, wherein a cushioning layer made of a soft synthetic resin is provided on an outer surface of both end portions of the plate piece.