JPS5948266U

JPS5948266U - vehicle seat

Info

Publication number: JPS5948266U
Application number: JP12067183U
Authority: JP
Inventors: 修吉岡
Original assignee: 日本発条株式会社
Priority date: 1983-08-01
Filing date: 1983-08-01
Publication date: 1984-03-30

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本案座席の略解側面図、第２図は同上座席に使
用される背当の内部構造を示す斡視図である。図中１は腰掛部、−２は背当、３は枠体、４は押圧機構
、４１はコ状支持枠、４２は弾性押圧部材としての発条
、４３は受動手段としての係合片、５は操作機構、５１
は駆動手段としてのカム片、５２は操作部材としての操
作摘みを示す。FIG. 1 is a schematic side view of the proposed seat, and FIG. 2 is a perspective view showing the internal structure of the backrest used in the seat. In the figure, 1 is a seat part, -2 is a backrest, 3 is a frame body, 4 is a pressing mechanism, 41 is a U-shaped support frame, 42 is a spring as an elastic pressing member, 43 is an engagement piece as a passive means, 5 is the operating mechanism, 51
Reference numeral 52 indicates a cam piece as a driving means, and an operating knob as an operating member.

Claims

[Scope of Claim for Utility Model Registration] 1. It has a seat and a back rest provided at the rear of the seat, and the back rest includes a hollow frame, a pressing mechanism housed in the frame, and a an operating mechanism for operating the pressing mechanism from the outside; The support frame has an elastic pressing member stretched between both legs of the frame and a passive means provided on the supporting frame, and the supporting frame has its elastic pressing member positioned in alignment with the lumbar vertebrae of the human body, and The center torso is fixed to the supporting member of the lower force of the seat so that the part rotates in the front and back direction of the backrest, and the operating mechanism includes an externally operable operating member and a passive member of the pressing mechanism that is operated by the operating member. and a drive means for driving the means, and configured so that the support frame of the pressing mechanism is rotated by operation of the operating member, and the elastic pressing member is firmly pressed against the human body from a predetermined direction by the rigid support frame. A vehicle seat configured in a similar manner. 2. In the vehicle seat described in claim 1 of the utility model registration claim, the passive means is made of a retaining piece provided on the leg of the support frame, while the driving means is made of a cam piece that engages with the engaging piece. The vehicle seat is configured such that the support frame is rotated by rotating the cam piece with an operating member.