JPS61160757U - - Google Patents
Info
- Publication number
- JPS61160757U JPS61160757U JP1985044643U JP4464385U JPS61160757U JP S61160757 U JPS61160757 U JP S61160757U JP 1985044643 U JP1985044643 U JP 1985044643U JP 4464385 U JP4464385 U JP 4464385U JP S61160757 U JPS61160757 U JP S61160757U
- Authority
- JP
- Japan
- Prior art keywords
- swinging
- swing
- supported
- arm
- swinging arm
- 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.)
- Granted
Links
- 210000004705 lumbosacral region Anatomy 0.000 claims 1
Description
第１図は本考案の一実施例に係るランバーサポ
ートの斜視図、第２図は同ランバーサポートの横
断平面図、第３図は同ランバーサボートを組付け
た車両用シートの概略斜視図である。
符号の説明、１０……ランバーサポート、１１
，１２……ブラケツト、１３，１４……揺動アー
ム、１５……バネ部材、１６……ボルト部材、１
７……ナツト部材、１８……連結部材、２２……
バツクフレーム、２２ａ，２２ｂ……フレーム部
。
Fig. 1 is a perspective view of a lumbar support according to an embodiment of the present invention, Fig. 2 is a cross-sectional plan view of the lumbar support, and Fig. 3 is a schematic perspective view of a vehicle seat in which the lumbar support is assembled. . Explanation of symbols, 10... Lumbar support, 11
, 12... Bracket, 13, 14... Swinging arm, 15... Spring member, 16... Bolt member, 1
7... Nut member, 18... Connection member, 22...
Back frame, 22a, 22b... frame portion.
Claims (1)
部に前後方向または内外側方向に揺動可能に支持
した左右一対の揺動アームと、これら両揺動アー
ムの揺動端部に支持されて左右方向に延びシート
クツシヨンの着座者の腰椎部近傍に位置するバネ
部材と、前記バツクフレームの一側部に回転可能
に支持されて左右方向に延び外部操作により回転
するボルト部材と、このボルト部材の内端部に進
退可能に螺着されて前記両揺動アームの一方に係
合し進退時同揺動アームを揺動させるナツト部材
と、前記両揺動アームを互に連結し前記一方の揺
動アームの揺動を他方の揺動アームに伝達して同
揺動アームを前記一方の揺動アームと同方向に揺
動させる連結部材とにより構成してなるランバー
サポート。 A pair of left and right swinging arms are supported on both sides of a back frame constituting the seat back so as to be swingable in the front-rear direction or inward and outward directions, and the seat is supported by the swinging ends of these two swing arms and extends in the left-right direction. a spring member located near the lumbar region of a person sitting on the cushion; a bolt member rotatably supported by one side of the back frame, extending in the left-right direction and rotating by external operation; and an inner end of the bolt member. a nut member that is screwed so as to be movable forward and backward and engages with one of the two swing arms and swings the same swing arm when moving forward and backward; A lumbar support comprising a connecting member that transmits rocking motion to the other swinging arm and causes the swinging arm to swing in the same direction as the one swinging arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985044643U JPH0347567Y2 (en) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985044643U JPH0347567Y2 (en) | 1985-03-27 | 1985-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61160757U true JPS61160757U (en) | 1986-10-04 |
| JPH0347567Y2 JPH0347567Y2 (en) | 1991-10-09 |
Family
ID=30557401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985044643U Expired JPH0347567Y2 (en) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0347567Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529695A (en) * | 1979-08-14 | 1980-03-03 | Bridgestone Cycle Co | External transmission for bicycle |
| JPS5545814U (en) * | 1978-09-20 | 1980-03-25 |
-
1985
- 1985-03-27 JP JP1985044643U patent/JPH0347567Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5545814U (en) * | 1978-09-20 | 1980-03-25 | ||
| JPS5529695A (en) * | 1979-08-14 | 1980-03-03 | Bridgestone Cycle Co | External transmission for bicycle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0347567Y2 (en) | 1991-10-09 |