JPH0321248U - - Google Patents
Info
- Publication number
- JPH0321248U JPH0321248U JP8230989U JP8230989U JPH0321248U JP H0321248 U JPH0321248 U JP H0321248U JP 8230989 U JP8230989 U JP 8230989U JP 8230989 U JP8230989 U JP 8230989U JP H0321248 U JPH0321248 U JP H0321248U
- Authority
- JP
- Japan
- Prior art keywords
- link
- movable
- seat
- fixed
- parallel link
- 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図は本考案に係るシートのサンバーサポー
ト調整装置の斜視図、第２図は同上調整装置のト
ーシヨンスプリングの斜視図である。
１…サポートプレート、２…平行リンク、３…
固定リンク、４…可動リンク、７…支持アーム、
８…トーシヨンスプリング、９…操作軸、１０…
偏心カム、１２…突起。
FIG. 1 is a perspective view of a sunbar support adjustment device for a seat according to the present invention, and FIG. 2 is a perspective view of a torsion spring of the same adjustment device. 1...Support plate, 2...Parallel link, 3...
Fixed link, 4... Movable link, 7... Support arm,
8...Torsion spring, 9...Operation shaft, 10...
Eccentric cam, 12...protrusion.
Claims (1)
に対向してシートの前後方向に移動可能な可動リ
ンクを有する平行リンクと、 この平行リンクの可動リンクに基端部が枢支さ
れると共に先端部にサポートプレートが取付けら
れた支持アームと、 前記平行リンクの固定リンクに回転可能に軸支
されると共に可動リンク側端部に偏心カムが設け
られた操作軸と、 前記偏心カムのカム面に当接するように平行リ
ンクの可動リンクに設けられた突起と、 前記支持アームと平行リンクの可動リンクとの
間に設けられてサポートプレートをシートの前方
向へ付勢するトーシヨンスプリングとを具備して
いることを特徴とするシートのランバーサポート
調整装置。[Claims for Utility Model Registration] A parallel link having a movable link that is movable in the longitudinal direction of the seat opposite to a fixed link fixed to the seat back frame, and a base end of the parallel link being pivoted to the movable link. a support arm having a support plate attached to its tip; an operating shaft rotatably supported by the fixed link of the parallel link and having an eccentric cam at its end on the movable link side; and the eccentric cam. a torsion spring provided between the support arm and the movable link of the parallel link to bias the support plate toward the front of the seat; A lumbar support adjustment device for a seat, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8230989U JPH0321248U (en) | 1989-07-13 | 1989-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8230989U JPH0321248U (en) | 1989-07-13 | 1989-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321248U true JPH0321248U (en) | 1991-03-01 |
Family
ID=31629000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8230989U Pending JPH0321248U (en) | 1989-07-13 | 1989-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321248U (en) |
-
1989
- 1989-07-13 JP JP8230989U patent/JPH0321248U/ja active Pending