JPH01104252U - - Google Patents

Description

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

第１図は本考案に係るランバーサポート装置を
備えた自動車のシートバツクフレームの正面図、
第２図は第１図の―線断面図、第３図、第４
図は第１図の―線断面図で、それぞれ腰椎支
持部材の前後移動状態、上下移動状態を示すもの
である。 １…シートバツクフレーム、２…サイドサポー
トフレーム、３…腰椎支持部材、４…第１操作軸
、５…第２操作軸、６ａ，６ｂ，６ｃ…第１リン
ク、７ａ，７ｂ，７ｃ…第２リンク。 FIG. 1 is a front view of an automobile seat back frame equipped with a lumbar support device according to the present invention;
Figure 2 is a sectional view taken along the line - - of Figure 1, Figures 3 and 4.
The figure is a cross-sectional view taken along the line -- in FIG. 1, and shows the state in which the lumbar support member is moved back and forth and the state in which it is moved up and down, respectively. DESCRIPTION OF SYMBOLS 1... Seat back frame, 2... Side support frame, 3... Lumbar support member, 4... First operating shaft, 5... Second operating shaft, 6a, 6b, 6c... First link, 7a, 7b, 7c... Second link .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 腰椎支持部材と、それぞれシートバツクフレー
ムに水平に、かつ、外方からの回動操作により上
下方向に昇降可能に取り付けた第１操作軸、第２
操作軸と、一端をそれぞれ前記第１操作軸、第２
操作軸に回動可能に取り付け、他端を前記腰椎支
持部材に回動可能に取り付けた第１リンク、第２
リンクと、からなることを特徴とする自動車用シ
ートのランバーサポート装置。 A first operation shaft and a second operation shaft are attached to the lumbar support member horizontally to the seatback frame and can be raised and lowered in the vertical direction by rotational operation from the outside.
an operating shaft, and one end thereof is connected to the first operating shaft and the second operating shaft, respectively.
a first link rotatably attached to the operating shaft and the other end rotatably attached to the lumbar support member;
A lumbar support device for an automobile seat, comprising a link.