JPS5952963U

JPS5952963U - Chair

Info

Publication number: JPS5952963U
Application number: JP14852082U
Authority: JP
Inventors: 青木　慶喜
Original assignee: 東海金属工業株式会社
Priority date: 1982-09-30
Filing date: 1982-09-30
Publication date: 1984-04-07

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 drawings]

第１図は本考案−実施例の正面図、第２図は主要部の拡
大平面図、第３図は主要部の拡大正面図、第４図は主要
部の拡大側面図である。６・・・・・・座席、７・・・・・・案内筒、８・・・
・・・基枠、１２・・・・・・トーションバー、１６・
・・・・・外枠、２１・・・・・・ブラケット、２３・
・・・・・支持レバー、２４・・・・・・透孔、２５．
２６・・・・・・ピン孔、３４・・・・・・挟着金具、
４４・・・・・・ロックピン。第２図第４図　−FIG. 1 is a front view of an embodiment of the present invention, FIG. 2 is an enlarged plan view of the main part, FIG. 3 is an enlarged front view of the main part, and FIG. 4 is an enlarged side view of the main part. 6...Seat, 7...Guide tube, 8...
... Base frame, 12 ... Torsion bar, 16.
...Outer frame, 21...Bracket, 23.
...Support lever, 24...Through hole, 25.
26...pin hole, 34...pinching fitting,
44...Lock pin. Figure 2 Figure 4 -

Claims

[Scope of utility model registration request]

A torsion bar 1 is attached to a base frame 8 fixed to the upper end of a guide tube 7.
A support lever 23 is fixed at the center of the torsion bar 12 and extends rearward, an outer frame 16 surrounding the base frame 8 is rotatably provided, and a seat is attached to the outer frame 16. The seat 6 is provided with a seat tilting mechanism formed by fixing a bracket 21 to allow the seat 6 to tilt forward, and a through hole 24 is provided in the side surface of the outer frame 16 so that the base frame 8 can be tilted forward when the seat 6 is in a horizontal or rearward tilted position. A pin hole 25 is provided on the side surface facing the through hole 24, and a through hole 24 is provided on the side surface of the base frame 8 when the seat 6 is in the forward tilted position.
A pin hole 26 is provided opposite to the pin hole 26, the tip of the lock pin inserted through the through hole 24-\ is provided in the pin hole 25, 26 so that it can be freely fitted and removed, and a support arm 32 is provided at the rear end of the outer frame 16 to protrude rearward. The upper part of the clamping metal fitting 34 of the backrest column 33 is pivotally connected to the supporting arm 32, and the lower part of the clamping metal fitting 34 is tightened with a bolt 36, and a rod of an actuator 39 whose tail end is connected to the guide tube 7 is attached. 40 connected to the lower part of the clamping fitting 34.