JPH0425555U - - Google Patents
Info
- Publication number
- JPH0425555U JPH0425555U JP6609190U JP6609190U JPH0425555U JP H0425555 U JPH0425555 U JP H0425555U JP 6609190 U JP6609190 U JP 6609190U JP 6609190 U JP6609190 U JP 6609190U JP H0425555 U JPH0425555 U JP H0425555U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- link
- backrest
- coil springs
- lumbar
- 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
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図は本考案の斜視図、第２図は同コイルス
プリングの張力可変機構の斜視図、第３図は従来
の斜視図、第４図は同主要部平面図である。
１０……フレーム、１１……クツシヨン部材、
１３，１４……コイルスプリング、１５……リン
ク、１６……レバー、１７……シヤフト、１８…
…カム。
Fig. 1 is a perspective view of the present invention, Fig. 2 is a perspective view of the variable tension mechanism of the coil spring, Fig. 3 is a perspective view of the conventional device, and Fig. 4 is a plan view of the main part thereof. 10...Frame, 11...Cushion member,
13, 14...Coil spring, 15...Link, 16...Lever, 17...Shaft, 18...
…cam.
Claims (1)
部材の両側の複数個所を背もたれのフレーム内に
コイルスプリングによつて支持し、着座者の腰部
位置に相当するコイルスプリングの張力を可変と
するリンクとこのリンクを回動するレバーとを背
もたれのフレームに設けたことを特徴とするラン
バーサポート装置。 A link that supports multiple locations on both sides of a cushion member, in which a large number of piano wires are stretched around the frame, by coil springs within the frame of the backrest, and allows the tension of the coil springs corresponding to the lumbar position of the seated person to be varied. A lumbar support device characterized in that a lever for rotating this link is provided in a frame of a backrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990066091U JP2536769Y2 (en) | 1990-06-25 | 1990-06-25 | Lumber support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990066091U JP2536769Y2 (en) | 1990-06-25 | 1990-06-25 | Lumber support device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0425555U true JPH0425555U (en) | 1992-02-28 |
| JP2536769Y2 JP2536769Y2 (en) | 1997-05-28 |
Family
ID=31598511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990066091U Expired - Lifetime JP2536769Y2 (en) | 1990-06-25 | 1990-06-25 | Lumber support device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2536769Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58121257U (en) * | 1982-02-12 | 1983-08-18 | 日本発条株式会社 | Seat lumbar support device |
| JPS6345649U (en) * | 1986-09-10 | 1988-03-28 | ||
| JP3048551U (en) * | 1997-10-31 | 1998-05-15 | 株式会社タイザー | Memo writing index table |
-
1990
- 1990-06-25 JP JP1990066091U patent/JP2536769Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58121257U (en) * | 1982-02-12 | 1983-08-18 | 日本発条株式会社 | Seat lumbar support device |
| JPS6345649U (en) * | 1986-09-10 | 1988-03-28 | ||
| JP3048551U (en) * | 1997-10-31 | 1998-05-15 | 株式会社タイザー | Memo writing index table |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2536769Y2 (en) | 1997-05-28 |