JPS5844948U

JPS5844948U - Seat with adjustable front edge height and hardness

Info

Publication number: JPS5844948U
Application number: JP14034981U
Authority: JP
Inventors: 治行小寺
Original assignee: トヨタ自動車株式会社
Priority date: 1981-09-21
Filing date: 1981-09-21
Publication date: 1983-03-25

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 drawings]

第１図は、本考案の第１の実施例たるシートを一部破断
して示した斜面図、第２図は第１図中■−■線断面図、
第３図は第２図中■−■線断面図、第４図は第１の実施
例の作動回路図、第５図は第２の実施例におけるシート
クッションの第３図と同様の断面図、第６図は第３の実
施例の作動回路図、第７図は、第３の実施例における空
気圧入ポンプの斜面図、第８図は第７図中■−■線断面
略示図、第９図は第８図中ＩＸ−ＩＸ線断面略示図、第
１０図は、切換弁の作動状態を示す第８図と同一位置に
おける断面略示図、第１１図は第１０図中ＸＩ−ＸＩ線
断面略示図、第１２図および第１３図はそれぞれ異なる
切換弁の作動状態を示す第１１図と同一位置における断
面略示図である。１：シートクッション、２：前縁部、３：表皮、５゜６
：エアバッグ、１２：空気の圧入ポンプ、１６゜１７＝
調整バルブ。Fig. 1 is a partially cutaway perspective view of a sheet according to the first embodiment of the present invention, Fig. 2 is a sectional view taken along the line ■-■ in Fig. 1;
Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2, Fig. 4 is an operating circuit diagram of the first embodiment, and Fig. 5 is a sectional view similar to Fig. 3 of the seat cushion in the second embodiment. , FIG. 6 is an operating circuit diagram of the third embodiment, FIG. 7 is a perspective view of the pneumatic pump in the third embodiment, and FIG. 8 is a schematic cross-sectional view taken along the line ■-■ in FIG. 7. 9 is a schematic cross-sectional view taken along line IX-IX in FIG. 8, FIG. 10 is a schematic cross-sectional view at the same position as FIG. 8 showing the operating state of the switching valve, and FIG. 12 and 13 are schematic cross-sectional views at the same position as FIG. 11, respectively, showing operating states of different switching valves. 1: seat cushion, 2: front edge, 3: epidermis, 5゜6
: Air bag, 12: Air pressure pump, 16°17=
Adjustment valve.

Claims

[Scope of utility model registration request]

One or more airbags are installed on each side of the front edge of the seat cushion in the lower part of the skin at approximately symmetrical positions in the width direction. A seat whose front edge can be adjusted in height and hardness, characterized by being equipped with a bag air pressure adjustment valve.