JPH01103351U - - Google Patents
Info
- Publication number
- JPH01103351U JPH01103351U JP19865887U JP19865887U JPH01103351U JP H01103351 U JPH01103351 U JP H01103351U JP 19865887 U JP19865887 U JP 19865887U JP 19865887 U JP19865887 U JP 19865887U JP H01103351 U JPH01103351 U JP H01103351U
- Authority
- JP
- Japan
- Prior art keywords
- operating lever
- engagement
- torsion bar
- shaft
- support
- 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
Links
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図はこの考案の実施例を示す斜視図、第２
図は第１図の要部の分解斜視図、第３図は操作レ
バーの軸部に沿つた拡大断面図、第４図は係合状
態を示す断面説明図である。
１……シートバツクフレーム、２……支持ブラ
ケツト、３……操作レバー、４……トーシヨンバ
ー、５……サポートプレート、６ａ，６ｂ……係
合部材、７……コイルスプリング、３１……軸部
、３２……カム、２１１ａ，２１１ｂ……係合穴
、２１２ａ，２１２ｂ……連絡路。
Figure 1 is a perspective view showing an embodiment of this invention;
The drawings are an exploded perspective view of the essential parts of FIG. 1, FIG. 3 is an enlarged cross-sectional view along the shaft of the operating lever, and FIG. 4 is a cross-sectional explanatory view showing the engaged state. DESCRIPTION OF SYMBOLS 1... Seat back frame, 2... Support bracket, 3... Operation lever, 4... Torsion bar, 5... Support plate, 6a, 6b... Engaging member, 7... Coil spring, 31... Shaft part , 32...cam, 211a, 211b...engaging hole, 212a, 212b...communication path.
Claims (1)
ケツトによつて、トーシヨンバーの一側部が垂直
軸回りに回転可能に支持されるとともに、操作レ
バーの軸部が水平軸回りに回転可能に支持され、
この操作レバーに固定されたカムが上記トーシヨ
ンバーと係合され、上記操作レバーを回転操作す
ることによつて上記トーシヨンバーの他側部に取
付けられたサポートプレートがシートの前後方向
に移動するように構成された自動車用シートのラ
ンバーサポートにおいて、上記操作レバーの軸部
には係合部材が上記軸部の回りに回転可能に外挿
され、上記支持ブラケツトには上記係合部材と係
合する複数の係合穴がシートの上下方向に貫通形
成されるとともに、これら複数の係合穴は上記軸
部が移動可能な幅の連絡路によつて互いに接続さ
れ、上記係合部材は係合穴と係合する方向に付勢
されてい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。 A support bracket attached to the seatback frame supports one side of the torsion bar so as to be rotatable around a vertical axis, and the shaft of the operating lever is supported so as to be rotatable around a horizontal axis;
A cam fixed to the operating lever is engaged with the torsion bar, and by rotating the operating lever, a support plate attached to the other side of the torsion bar is moved in the longitudinal direction of the seat. In the lumbar support for an automobile seat, an engaging member is rotatably fitted around the shaft of the operating lever, and the support bracket has a plurality of engagement members that engage with the engaging member. Engagement holes are formed through the sheet in the vertical direction, and the plurality of engagement holes are connected to each other by a communication path having a width that allows the shaft portion to move, and the engagement member is engaged with the engagement hole. A lumbar support for an automobile seat, characterized in that it is biased in the direction of alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19865887U JPH01103351U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19865887U JPH01103351U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103351U true JPH01103351U (en) | 1989-07-12 |
Family
ID=31489152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19865887U Pending JPH01103351U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103351U (en) |
-
1987
- 1987-12-25 JP JP19865887U patent/JPH01103351U/ja active Pending