JPH07308238A - Square sitting aid chair having foldable leg - Google Patents

Abstract

PURPOSE:To prevent a leg formed out of a hooked leg section and a travel leg section from standing and closing, and further prevent an injury to fingers clamped with the closed leg by applying the constitution that-the lower section of the travel leg is engaged with a travel distance restriction fitting on a support seat, and the leg is allowed to travel only over a distance along limited breadth. CONSTITUTION:A square sitting aid chair 1 having foldable legs consists of a seat section 2 and a pair of legs (i.e., hooked leg section 3 and travel leg section 4), a support seat 5 for bearing the legs, a travel distance restriction fitting 6 and a hook 7. Regarding this chair 1, a shaft 11 connected to the lower end of the section 4 is positioned within a gap 6c formed out of both engagement members 6b of a travel distance restriction fitting 6 and the metallic flat member 6a thereof, and the travel distance of the shaft 11 in a horizontal direction is thereby restricted. As a result, the lower end 11 of the section 4 can only travel on the seat 5 over a distance along limited breadth. According to this construction, even when a shaft 8 on the upper end of the section 3 is released from the hook 7 on the section 2 the leg sections 3 and 4 does not stand further from normal standing state, thereby preventing fingers from being clamped therewith.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sitting chair which has folding legs to prevent the legs from getting numb when laid for a long time at a ceremonial occasion or various meetings. Is.

[0002]

2. Description of the Related Art As shown in FIGS. 4 and 5, in a conventional sitting chair having a support base, a pair of legs c, which are a latch leg portion a and a moving leg portion b, are formed in an X shape. The lower end d of one of the hooking legs a of the leg c is pivotally supported on one end of the support base e, and the upper end f is detachably attached to a hooking metal h provided on the back surface of the seat g. I was able to hang it.

The other moving leg b of the leg c has its upper end i pivotally supported by the seat g and its lower end j placed on the support base e, so that when the leg c is folded and stands. The lower end j was designed to be horizontally movable on the support base. When using the above-mentioned sitting chair, the upper end f of the latch leg a is hooked on the hook h on the back surface of the seat g to stand the leg c, and the seat g
Was erected from the support base e, and this seat g was laid and used under the hips.

[0004]

However, in the conventional sitting auxiliary chair as described above, the latch leg portion a is in a state in which it can be detachably latched to the latch metal fitting h, and the lower end j of the movable leg portion b. Since it is in a state where it can freely move horizontally on the support base e, the upper end f of the hanging leg a can be carried when carrying this sitting chair, or when it is lifted a little from a state where it is strong against the buttocks. Is horizontally moved to the upper end i side of the movable leg b, and the lower end j of the movable leg b is naturally horizontally moved to the lower end d side of the hanging leg a. There was a case where it was closed and closed. Therefore, there is a concern that a finger may be caught between the closed legs c to cause an injury.

The present invention was developed in order to solve the above problems, and its purpose is to:
A sitting chair that has folding legs that prevent you from getting injured by catching your fingers with the folded legs when you carry it, or when you lift it from the state you laid on your hips and move it a little. To provide.

[0006]

In order to achieve the above object, the present invention has the following construction. That is, in a normal sitting auxiliary chair in which a seat portion and a support base are connected via a pair of legs that can be folded and erected, a pair of legs including a latching leg portion and a moving leg portion are pivotally attached in an X shape, and The lower end of the latching leg of the above is pivotally supported at one end of the support base, and the upper end of the latching leg is detachably hooked to the latching device provided on the back surface of the seat, and the upper end of the other moving leg is seated. It is configured to be pivotally supported on the portion and the lower end thereof is engaged with a movement distance restricting tool provided on a support base.

[0007]

With the above structure, since the lower ends of the moving legs are engaged with the moving distance restricting devices provided on the support base, the lower ends of the moving legs regulated by the moving distance restricting devices move above the supporting base. It can move only a certain width, and even if the upper end of the latch leg comes off the latch on the seat, the latch leg and the moving leg will close as if they were standing up. There is no such thing.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. As shown in the figure, reference numeral 1 is a sitting auxiliary chair having folding legs according to an embodiment of the present invention, and a seat portion 2
And a pair of legs (the latching leg portion 3 and the moving leg portion 4), a support base 5 for supporting the legs, a movement distance restricting tool 6 and a latching metal fitting 7.

More specifically, the seat 2 is composed of
It is formed into a substantially rectangular shape that can be laid under the buttocks when seated upright, and has an elastic material 2a provided inside to have a thickness of several centimeters and the outer surface is covered with a cloth 2b. This seat 2
A latching member 7 formed in a substantially L shape is provided near one end of.

The hooking leg 3 and the moving leg 4 which compose a pair of legs are each formed of a metal member into a rectangular frame shape as a whole. The hooking leg 3 has an upper end and a lower end.
And the upper and lower ends of the movable leg portion 4 have shaft portions 8,
It is set as 9, 10, 11. Further, the hanging leg portion 3 and the movable leg portion 4 are pivotally attached to each other by a stop shaft 12 at a central portion.

The shaft 9 at the lower end of the latch leg 3 is pivotally supported at one end of the support base 5. Further, the shaft 8 at the upper end of the latch leg portion 3 is adapted to be detachably attachable to the latch metal 7 provided on the back surface of the seat portion 2.

The shaft 10 at the upper end of the movable leg 4 is provided with a seat 2
Is pivotally attached to the other end of. The shaft 11 at the lower end of the moving leg 4 is
It is engaged with a moving distance restricting tool 6 provided on a support base portion located below the latching metal 7.

The moving distance restricting device 6 which is an essential part of the present invention.
Are provided on both sides of the flat metal plate member 6a with the openings of the pair of U-shaped locking members 6b facing down. Both locking members 6b
The shaft 11 at the lower end of the movable leg portion 4 is movably disposed in the gap 6c formed by the metal flat plate member 6a and the metal plate member 6a. The moving distance of the shaft 11 of the moving leg portion 4 is regulated between both ends of the locking member 6b.

In the normal sitting auxiliary chair having the above-mentioned structure, the shaft 11 at the lower end of the moving leg portion 4 has both the locking members 6b of the moving distance restricting device 6 provided on the support 5 and the flat metal plate member 6.
Since it is located in the gap 6c formed by a and its horizontal movement distance is regulated, the lower end 11 of the moving leg portion 4 can move only a certain width on the support base 5,
Even when the shaft 8 at the upper end of the latch leg 3 is disengaged from the latch 7 provided on the seat 2, the legs 3 and 4 do not rise further from the normal standing state, and the legs 3 and 4 do not rise. You won't get caught in your fingers.

The moving distance restricting device is not limited to the shape of the above embodiment, but one U-shaped locking member 6b may be formed to be wide. The locking members may be elongated members having a U-shaped or inverted L-shaped cross section, and both locking members may be provided so that the shaft 11 of the movable leg portion 4 and the like can be engaged. The locking member may be directly provided on the support base 5. Further, the lower end of the movable leg portion 4 may be provided not only with the shaft 11 but also with a roller or formed in a convex shape as long as it can be movably engaged with the movement distance restrictor.

[0016]

As is apparent from the above description, in the sitting chair according to the present invention, the moving legs can be used even when carrying the sitting chair or lifting the sitting chair from the state of sitting on the buttocks and moving the chair. Since the lower end of the part is engaged with the movement distance restrictor provided on the support base and can move horizontally only within a certain width, it seems that the leg composed of the latching leg part and the moving leg part stands up. Since it will not be closed when it is in a state, it is possible to prevent injuries by catching fingers with closed legs.

[Brief description of drawings]

FIG. 1 is a perspective view of a sitting auxiliary chair according to an embodiment of the present invention.

FIG. 2 is a front view of a sitting auxiliary chair according to an embodiment of the present invention in a standing state.

FIG. 3 is a perspective view of a sitting auxiliary chair according to an embodiment of the present invention with legs folded.

FIG. 4 is a perspective view of a conventional sitting chair.

FIG. 5 is a front view of a conventional sitting chair that is standing upright.

[Explanation of symbols]

 1 Seat support chair 2 Seat part 3 Latching leg part 4 Moving leg part 5 Supporting base 6 Moving distance regulating tool 7 Latching tool (hatching metal fitting)

Claims (1)

[Claims] 1. A normal sitting auxiliary chair in which a seat portion and a support base are connected to each other through a pair of legs that can be folded and erected, and a pair of legs including a hanging leg portion and a movable leg portion are pivotally attached in an X shape. However, the lower end of one of the latch legs is pivotally supported on one end of the support base, and the upper end of the latch leg is detachably latched to the latch provided on the back surface of the seat portion. A sitting chair with folding legs, the upper end of which is pivotally supported by the seat portion, and the lower end of which is engaged with a travel distance restricting device provided on a support base.