JP2800914B2 - Automatic folding manual operation handle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to be automatically folded after use, when people pass through,
The present invention relates to an automatic folding type manual operation handle which is free from danger such as collision when a wheelchair passes.

[0002]

2. Description of the Related Art At present, in a bed provided with a floor undulating mechanism, a crank-shaped manually operated handle is used as a power source. Regarding this manually operated handle, the applicant has already commercialized a bed using the manually operated handle. As shown in FIG. 4, the manual operation handle 1 is attached to a board or frame on the head side or the leg side of the bed 2 and is folded when not in use, and the power transmission shaft 3 and the handle portion 4 are pulled out and gripped when in use. The configuration is such that the unit 5 is opened and operated by hand (see FIG. 5).

[0003]

However, after the operation is completed, the grip portion 5 is folded back to its original position and pushed together with the power transmission shaft 3 into the frame side for storage (see FIG. 6). Is often left with the grip 5 raised. In such a state,
Since the manual operation handle 1 protrudes from the frame, there is a danger that the manual operation handle 1 may be hit when a person passes or a wheelchair passes, and the manual operation handle 1 may be damaged. The present invention has been proposed in order to improve such a point, and when it has been automatically folded after use, the risk of collision when a person passes or a wheelchair passes. It is an object of the present invention to provide a self-collapsible manually operated handle, which is free of the need.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention relates to an automatic folding type manual operation handle, which is engaged with a drive shaft connected to a mechanism provided in a main body so as to freely advance and retreat. An operating shaft protruding and retracting from the main body, and a handle portion provided at a tip of the operating shaft,
The handle portion includes a handle base and a grip portion foldably attached to the handle base portion, and is biased between the handle base portion and the grip portion so that the grip portion is always folded toward the handle base side. When not in use, the grip portion is folded toward the handle base side with the biasing means interposed, and the grip portion is in the retracted state.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of an automatic folding type manual operation handle according to the present invention will be described with reference to the accompanying drawings. FIG. 1 shows an automatic folding type manual operation handle 10, which operates a floor undulating mechanism (not shown) in a bed (not shown), and is provided on a bed frame provided on a bed frame. It has an operating shaft 11 that engages with a drive shaft (not shown) connected to the up-and-down mechanism so as to be able to move forward and backward, and protrudes and retracts from the bed frame, and a handle portion 12 provided at the tip of the operating shaft 11. I have. This handle part 1
2 includes a handle base 12a and a grip portion 12b foldably attached to the handle base 12a, and a grip portion 1 is provided between the handle base 12a and the grip portion 12b.
The urging means 2b is urged to be constantly folded toward the handle base 12a, that is, a coil spring 13 is interposed.

The handle base 12a is fixed at right angles to a drive shaft, that is, an operating shaft 11 connected to the floor raising / lowering mechanism, and is provided on a bed frame surface when drawn into the bed frame (not shown). And is stored. The grip portion 12b is rotatably fixed to the distal end portion of the handle base 12a by a support shaft 14 so as to be rotatable within a range of 0 ° to 90 ° with respect to the handle base 12a. Then, the winding portion of the coil spring 13 is inserted into the support shaft 14 to lock the respective ends thereof.
It is in a state of being folded to the a side. In this case, the spring constant of the coil spring 13 is set so that the restoring force of the spring is slightly larger than the weight of the grip 12b.

In the manual operation handle 10 having such a configuration, when not in use, the operating shaft 11 is retracted toward the drive shaft connected to the floor undulating mechanism, and the handle base 12a is
It is fitted into a support frame (not shown) on the bed frame surface and is in a stored state. The grip portion 12b is in a state of being folded by the coil spring 13 toward the handle base portion 12a. Here, when the floor undulating mechanism is operated by the manual operation handle 10, the grip 12 b is connected to the coil spring 13.
(See FIG. 2), and the handle base 12a is pulled out of the support frame on the bed frame surface. Then, the user performs the rotation operation by holding the grip portion 12b.

After the operation of the floor raising / lowering mechanism is completed, when the user releases the grip portion 12b, the grip portion 12b is folded toward the handle base portion 12a by the elastic force of the coil spring 13 (see FIG. 3). When the handle base 12a is pushed in, the operating shaft 11 is retracted toward the drive shaft connected to the floor raising and lowering mechanism, and is accommodated in the support frame on the bed frame surface, so that the manually operated handle 10 is in the retracted state. As described above, even if the manual operation handle 10 is used and left as it is, at least the grip portion 12b is at least
It is folded to the side a, so that the grip 12b
There is no possibility that the vehicle will be caught in the vehicle or hinder the passage of a wheelchair, and there is no risk of damage.

[0009]

According to the present invention, there is no danger of collision when a person passes or when a wheelchair passes by automatically folding up after use, and the manual operation handle may be damaged. Can be lost.

[0010]

[Brief description of the drawings]

FIG. 1 is an explanatory side view showing one embodiment of an automatic folding type manually operated handle according to the present invention.

FIG. 2 is a schematic operation explanatory view of the manual operation handle shown in FIG. 1;

FIG. 3 is a schematic operation explanatory view of the manual operation handle shown in FIG. 1;

FIG. 4 is an external perspective view of a current manual operation handle.

FIG. 5 is a schematic use explanatory view of a current manual operation handle.

FIG. 6 is a schematic use explanatory view of a current manual operation handle.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Manual operation handle 11 Operating axis 12 Handle part 12a Handle base 12b Handle part 13 Coil spring 14 Support shaft

Claims (1)

(57) [Claims] 1. An automatic folding type manual operation handle, which is engaged with a drive shaft connected to a mechanism provided in a main body so as to be able to advance and retreat, and is configured to protrude and retract from said main body. A handle portion provided at the distal end, the handle portion including a handle base portion and a grip portion foldably attached to the handle base portion, wherein the grip portion is provided between the handle base portion and the grip portion. An automatically foldable manual operation handle, characterized in that, when not in use, the grip portion is folded toward the handle base side and is in a retracted state with an urging means urged to be constantly folded toward the base side. .