JPS596954U

JPS596954U - Assembly structure of lumbar support in vehicle seat

Info

Publication number: JPS596954U
Application number: JP1982103330U
Authority: JP
Inventors: 柴田　兼次
Original assignee: トヨタ自動車株式会社
Priority date: 1982-07-07
Filing date: 1982-07-07
Publication date: 1984-01-17

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図は車両用シートの外観を表した斜視図、第２図は
第１図の要部を拡大して示した分解斜視図、第３図の４
１口はランバーサポートの異なる断面形状の例を表した
断面図、第４図はランバーサポートの異なる構造の例を
表した断面図、第５図はランバーサポート組付の異なる
実施例を第１図と対応させて表した外観斜視図である。２・・・シートバック、３・・・シートフレーム、４・
・・ラックギヤ、４ａ・・・ストッパー、６・・・ラン
バーサポート、７・・・主軸、８・・・ピニオン、９・
・・ハンドル。Fig. 1 is a perspective view showing the appearance of the vehicle seat, Fig. 2 is an exploded perspective view showing the main parts of Fig. 1, and 4 in Fig. 3.
Figure 1 is a cross-sectional view showing examples of different cross-sectional shapes of the lumbar support, Figure 4 is a cross-sectional view showing examples of different structures of the lumbar support, and Figure 5 is Figure 1 showing different examples of lumbar support assembly. FIG. 2... Seat back, 3... Seat frame, 4...
... Rack gear, 4a... Stopper, 6... Lumbar support, 7... Main shaft, 8... Pinion, 9...
··handle.

Claims

[Scope of utility model registration request]

A rack gear is provided along the vertical direction of the seat back on one side of the frame inside the seat back, while a rack gear is provided along the vertical direction of the seat back. A lumbar support assembly structure in which a pinion that meshes with each rack gear of the lumbar support is fixed, and at least one end of the main shaft of the lumbar support is made to protrude outside the seat back, and a handle is fixed thereto.