JPS60146448U

JPS60146448U - Seat lifting device for chairs, etc.

Info

Publication number: JPS60146448U
Application number: JP3397384U
Authority: JP
Inventors: 石田　国夫; 安丸　哲夫
Original assignee: トキコ株式会社
Priority date: 1984-03-09
Filing date: 1984-03-09
Publication date: 1985-09-28
Also published as: JPH0226355Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来技術に係る椅子を示す一部断面正面図、第
２図は従来技術に係る支持部を示す拡大縦断面図、爾３
図は従来技術に係るサポートチュ・−ブ及びガイドブツ
シュを示す拡大縦断面図、第４図は第３図のＡ−Ａ線断
面図、第５図は本考案に係る支持部を示す拡大縦断面図
、第６図は本考案に係るサポートチューブ、ガイドブツ
シュ、リテーナ、弾性体及びブツシュを示す拡大縦断面
図、第７図は第６図のＢ−Ｂ線断面図である。１・・・サポートチューブ、１ａ・・・底部、２・・・
ガイドブツシュ、３・・・リテーナ、４・・・ブツシュ
、５・・・弾性体、６・・・ガススプリング、６ａ・・
・ピストンロッド、６ｂ・・・シリンダ。第１図第２図　　　　　−第３図Fig. 1 is a partially sectional front view showing a chair according to the prior art, and Fig. 2 is an enlarged longitudinal sectional view showing a support part according to the prior art.
The figure is an enlarged longitudinal cross-sectional view showing a support tube and guide bush according to the prior art, FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3, and FIG. FIG. 6 is an enlarged longitudinal sectional view showing the support tube, guide bushing, retainer, elastic body, and bushing according to the present invention, and FIG. 7 is a sectional view taken along the line B--B in FIG. 6. 1... Support tube, 1a... Bottom, 2...
Guide bushing, 3... Retainer, 4... Bushing, 5... Elastic body, 6... Gas spring, 6a...
・Piston rod, 6b... cylinder. Figure 1 Figure 2 - Figure 3

Claims

[Scope of utility model registration request]

(1) The tip of the piston rod of the extensible gas spring is held at the bottom of the guide cylinder, the cylinder of the gas spring is made to protrude from the guide cylinder so as to be movable forward and backward, and a seat is provided at the tip of the cylinder. In the seat elevating device for a chair or the like that is attached, an annular cylinder is fixed to the inner periphery of the guide cylinder, and a ring-shaped cylinder is fixed to the inner periphery of the annular cylinder at a predetermined interval in the axial direction of the annular cylinder. A retainer is fixedly held, and each of the retainers includes an annular guide member that is slidably and expandably fitted to the outer circumference of the cylinder of the gas spring, and an annular guide member that is disposed between the outer circumference of the annular guide member and each of the retainers. 1. An apparatus for lifting and lowering a seat of a chair or the like, characterized in that an annular guide member holds an annular elastic body that applies a biasing force in a diameter reduction direction.

(2) Utility Model Registration The device for lifting and lowering a seat such as a chair according to claim 1, wherein the annular guide member has a slit for expanding and contracting.