JPH0432987Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a leg height adjuster for adjusting the height of the legs of chairs, beds, etc.

[Problem that the invention attempts to solve]

In general, the height of the legs of chairs, beds, etc. is normal, and when a person is healthy, there is no problem.Even if it is a desirable height, when a person gets old and his or her legs become weak, the height of the legs may change. People often feel uncomfortable when the height is too high, so it is thought that being able to easily adjust the height will make daily life easier.

This invention was made in view of the above situation, and the purpose is to provide a leg height adjuster that can easily and reliably adjust the height of the legs.

[Means for solving problems]

The leg height adjuster according to this invention has a leg holding space with a thickness approximately equal to the thickness of the leg to be inserted, and a plurality of bolt holes provided in the vertical direction of the side wall of the space, and a cylindrical leg holder formed to be able to be stably placed on the cylindrical leg holder; a coil spring provided within the cylindrical leg holder to be able to expand and contract in the vertical direction; A leg that is provided on the coil spring and has a fitting recess on its upper surface that receives the bottom surface of the leg to be inserted and that fits in the shaft of a bolt that is inserted through the bolt hole in the cylindrical leg holder. It is equipped with a receiver.

[Effect]

In this invention, since the structure is as described above, the height of the leg can be easily adjusted by changing the position of the bolt hole of the bolt passing through the cylindrical leg holder.

[Example] Hereinafter, an example of this invention will be described with reference to the drawings.

FIG. 1 shows a leg height adjuster according to an embodiment of this invention, and in the figure, 101 has a leg holding space with a thickness approximately equal to the thickness of the leg to be inserted, and is fitted in opposite left and right positions. A cylindrical body having a protrusion 104 forming a mating recess 105, 102 is this cylindrical body 101.
100 is a bottom rib provided on the bottom surface of the cylindrical body 101 to allow the cylindrical body 101 to be stably placed on the floor, 100 is a cylindrical leg holder formed in this way, 103a, 103
b, 103c are a plurality of bolt holes provided at predetermined positions in the vertical direction of the side wall of the cylindrical leg holder 100, and 200 is a coil spring provided in the cylindrical leg holder 100 so as to be freely expandable and contractible in the vertical direction. , 300 is the coil spring 200 inside the cylindrical leg holder 100.
It is an annular leg holder provided on the top, and its upper surface is formed flat so as to receive the bottom surface of the leg, and the above-mentioned cylindrical leg holder 10 is located at the opposite left and right positions.
A fitting protrusion 301 that fits into the fitting recess 105 of No. 0 is formed on the lower surface of the fitting protrusion 301.
A fitting recess 302 that fits into the shaft of a bolt 400 inserted through the bolt holes 103a to 103c.
is provided. Note that 401 is Natsu.

In the leg height adjuster of this embodiment, the legs of a chair or bed are connected to the cylindrical leg holder 1.
00, the leg is brought into contact with the upper surface of the leg holder 300, and the bolt 400 is inserted into the desired bolt hole 1 while compressing the coil spring 200 by the force of the leg.
Insert nuts 40 into 03a, 103b, 103c
By tightening 1, the legs can be held at a desired height position, and the height of the legs can be easily adjusted. Therefore, even if the height of a chair or bed becomes too high due to aging, the height can be easily adjusted and the person can lead an easy and comfortable daily life.

[Effect of idea]

As described above, according to the leg height adjuster of this invention, the coil spring is inserted into the cylindrical leg holder, and the leg is received by the leg holder provided on the coil spring to adjust the coil spring to the desired position. Since the spring is compressed to the desired position and the bolt is inserted into the bolt hole at the desired position to stop the spring, the height of the leg can be easily adjusted.

[Brief explanation of the drawing]

FIG. 1 is a plan sectional view of a leg height adjuster according to an embodiment of the invention, FIG. 2 is a cross sectional view of the above embodiment, and FIG. 3 is a perspective view of a leg holder. 100 is a cylindrical leg holder, 103a, 103b,
103c is a bolt hole, 200 is a coil spring, 30
0 is a leg holder, 302 is a fitting recess, and 400 is a bolt.

Claims (1)

[Utility Model Registration Claim] A leg height adjuster comprising: a cylindrical leg holder having a leg holding space of approximately the same thickness as the leg to be inserted and a plurality of bolt holes provided at required positions in the vertical direction of its side walls, and configured so as to be able to be stably placed on a floor surface; a coil spring provided within this cylindrical leg holder so as to be able to freely expand and contract in the vertical direction; and a leg receiver provided on top of the coil spring within the cylindrical leg holder, receiving the bottom surface of the leg to be inserted on its upper surface and having a fitting recess on its underside which fits with the shaft of a bolt inserted into the cylindrical leg holder through its bolt hole.