JPS58121256U - Seat lumbar support device - Google Patents

Seat lumbar support device

Info

Publication number
JPS58121256U
JPS58121256U JP1982018123U JP1812382U JPS58121256U JP S58121256 U JPS58121256 U JP S58121256U JP 1982018123 U JP1982018123 U JP 1982018123U JP 1812382 U JP1812382 U JP 1812382U JP S58121256 U JPS58121256 U JP S58121256U
Authority
JP
Japan
Prior art keywords
lumbar support
movable arm
support structure
seat
camshaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1982018123U
Other languages
Japanese (ja)
Inventor
溝「淵」　進
正美 高山
Original Assignee
日本発条株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本発条株式会社 filed Critical 日本発条株式会社
Priority to JP1982018123U priority Critical patent/JPS58121256U/en
Publication of JPS58121256U publication Critical patent/JPS58121256U/en
Pending legal-status Critical Current

Links

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Seats For Vehicles (AREA)

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

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の一実施例を示し、第１図は座席背凭れ部
の斜視図、第２図は腰椎部支持装置の分解斜視図、第３
図は第２図中の■−■線方向から見た縦断面図である。 １・・・フレーム、３・・・可動アーム、５・・・腰椎
支持構体、１０・・・第１の操作機構、２１・・・第２
の操作機構。The drawings show one embodiment of the present invention, in which Fig. 1 is a perspective view of a seat backrest, Fig. 2 is an exploded perspective view of a lumbar support device, and Fig. 3 is a perspective view of a lumbar support device.
The figure is a longitudinal sectional view taken from the direction of the line ■-■ in FIG. 2. DESCRIPTION OF SYMBOLS 1... Frame, 3... Movable arm, 5... Lumbar support structure, 10... First operation mechanism, 21... Second
operating mechanism.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）フレームと、このフレームの下部において座席の
前後方向に回動自在に枢着された可動アームと、この可
動アームに昇降自在に支持された・腰椎支持構体と、こ
の腰椎支持構体を昇降操作する第１の操作機構と、上記
可動アームを前後方向に回動操作する第２の操作機構と
を具備したことを特徴とする座席の腰椎部支持装置。(1) A frame, a movable arm pivotally attached to the lower part of the frame so as to be rotatable in the front-rear direction of the seat, a lumbar support structure supported by the movable arm so that it can be raised and lowered, and a lumbar support structure that allows the lumbar support structure to be raised and lowered. A lumbar support device for a seat, comprising a first operating mechanism for operating the movable arm and a second operating mechanism for rotating the movable arm in the front-back direction. （２）上記第１の操作機構は、上記フレームに回転自在
に支持されかつ一端に操作子を取着した回転ロンドと、
この回転ロッドと上記腰椎支持構体とを結びかつ回転ロ
ッドに加わる一回転力を腰椎支持構体の昇降運動に変換
するリンク機構とからなることを特徴とする実用新案登
録請求の範囲第（１）項記載の座席の腰椎部支持装置。 　−（３）上記第２の操作機構は、上記回転ロンドと同
　。 心に取付けられたカム軸と、このカム軸に取着されかつ
カム軸に加わる回転力を上記可動アームの回動力に変換
するカム板と、上記カム軸を回動操作する操作子とを備
えて構成されることを特徴とする実用新案登録請求の範
囲第（２）項記載の座席の腰椎部支持装置。(2) The first operating mechanism includes a rotary rond that is rotatably supported by the frame and has an operating element attached to one end;
Utility model registration claim (1), characterized by comprising a link mechanism that connects the rotary rod and the lumbar support structure and converts one rotational force applied to the rotary rod into an elevating motion of the lumbar support structure. Lumbar support device for the seat described. -(3) The second operating mechanism is the same as the rotary rondo. A camshaft attached to the center, a cam plate attached to the camshaft and converting rotational force applied to the camshaft into rotational force of the movable arm, and an operator for rotating the camshaft. A lumbar support device for a seat as set forth in claim (2) of the utility model registration, characterized in that the device is constructed by:
JP1982018123U 1982-02-12 1982-02-12 Seat lumbar support device Pending JPS58121256U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982018123U JPS58121256U (en) 1982-02-12 1982-02-12 Seat lumbar support device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982018123U JPS58121256U (en) 1982-02-12 1982-02-12 Seat lumbar support device

Publications (1)

Publication Number Publication Date
JPS58121256U true JPS58121256U (en) 1983-08-18

Family

ID=30030389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982018123U Pending JPS58121256U (en) 1982-02-12 1982-02-12 Seat lumbar support device

Country Status (1)

Country Link
JP (1) JPS58121256U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077456U (en) * 1983-10-31 1985-05-30 マツダ株式会社 Vehicle seat lumbar support adjustment device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227124A (en) * 1975-08-28 1977-03-01 Kawakita Kogyo Kk Cup urging back and lumber support of driver's seat back
JPS5746A (en) * 1980-06-02 1982-01-05 Toshiba Corp Brush holder of electric rotary machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5227124A (en) * 1975-08-28 1977-03-01 Kawakita Kogyo Kk Cup urging back and lumber support of driver's seat back
JPS5746A (en) * 1980-06-02 1982-01-05 Toshiba Corp Brush holder of electric rotary machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6077456U (en) * 1983-10-31 1985-05-30 マツダ株式会社 Vehicle seat lumbar support adjustment device

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