JPS6211452U - - Google Patents
Info
- Publication number
- JPS6211452U JPS6211452U JP1985102685U JP10268585U JPS6211452U JP S6211452 U JPS6211452 U JP S6211452U JP 1985102685 U JP1985102685 U JP 1985102685U JP 10268585 U JP10268585 U JP 10268585U JP S6211452 U JPS6211452 U JP S6211452U
- Authority
- JP
- Japan
- Prior art keywords
- support arm
- coil spring
- vertical rod
- operating shaft
- lumbar 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Description
第1図は本考案に係るランバーサポート機構を
備えたバツクフレームの斜視図、第2図は同ラン
バサポート機構の平面図、第3図は同一部拡大斜
視図、第4図は同ランバーサポート機構の操作軸
を抽出して示す展開斜視図、第5図は同操作軸と
コイルスプリングとの関係を示す平面図、第6図
は同ランバーサポート機構の動作説明図、第7,
8図は別の実施例に係るランバーサポート機構の
説明図、第9図は更に別の実施例に係るランバー
サポート機構の説明図である。
1:シートフレーム、1a:縦杆、4:支持ア
ーム、5:腰あて板、7:コイルスプリング、8
(8a,8b):操作軸、10:ガイドピン。
Fig. 1 is a perspective view of a back frame equipped with a lumbar support mechanism according to the present invention, Fig. 2 is a plan view of the same lumbar support mechanism, Fig. 3 is a partially enlarged perspective view of the same, and Fig. 4 is the same lumbar support mechanism. FIG. 5 is a plan view showing the relationship between the operating shaft and the coil spring, FIG. 6 is an explanatory diagram of the operation of the lumbar support mechanism, and FIG.
FIG. 8 is an explanatory diagram of a lumbar support mechanism according to another embodiment, and FIG. 9 is an explanatory diagram of a lumbar support mechanism according to still another embodiment. 1: Seat frame, 1a: Vertical rod, 4: Support arm, 5: Waist plate, 7: Coil spring, 8
(8a, 8b): Operation shaft, 10: Guide pin.
Claims (1)
て支持アームをフレーム内に突出配置し、その自
由端側に腰あて板を軸承枢着すると共に、支持ア
ームの中間辺にコイルスプリングの一端側を連結
し、その他端側にコイルスプリングのピツチ間隔
内に係合するガイドピンを持つた操作軸を嵌挿し
、この操作軸をシートフレームの縦杆に回転操作
可能に装備してなることを特徴とするシートにお
けるランバーサポート機構。 One end of the support arm is cantilever-mounted to the vertical rod of the seat frame, and a support arm is arranged to protrude into the frame.A lumbar support plate is pivotally mounted to the free end of the support arm, and one end of a coil spring is mounted on the middle side of the support arm. The two sides are connected, and the other end is fitted with an operating shaft having a guide pin that engages within the pitch interval of the coil spring, and this operating shaft is rotatably mounted on the vertical rod of the seat frame. Features a lumbar support mechanism in the seat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985102685U JPH0440538Y2 (en) | 1985-07-05 | 1985-07-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985102685U JPH0440538Y2 (en) | 1985-07-05 | 1985-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6211452U true JPS6211452U (en) | 1987-01-23 |
JPH0440538Y2 JPH0440538Y2 (en) | 1992-09-22 |
Family
ID=30974552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985102685U Expired JPH0440538Y2 (en) | 1985-07-05 | 1985-07-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0440538Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0319335U (en) * | 1989-07-05 | 1991-02-26 | ||
WO2011117937A1 (en) * | 2010-03-24 | 2011-09-29 | タカノ株式会社 | Lumbar support device for chair |
JP5564102B2 (en) * | 2010-03-24 | 2014-07-30 | タカノ株式会社 | Chair lumbar support equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5627805U (en) * | 1979-08-08 | 1981-03-16 | ||
JPS5680744U (en) * | 1979-11-28 | 1981-06-30 |
-
1985
- 1985-07-05 JP JP1985102685U patent/JPH0440538Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5627805U (en) * | 1979-08-08 | 1981-03-16 | ||
JPS5680744U (en) * | 1979-11-28 | 1981-06-30 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0319335U (en) * | 1989-07-05 | 1991-02-26 | ||
WO2011117937A1 (en) * | 2010-03-24 | 2011-09-29 | タカノ株式会社 | Lumbar support device for chair |
CN102740736A (en) * | 2010-03-24 | 2012-10-17 | 鹰野株式会社 | Lumbar support device for chair |
JP5564102B2 (en) * | 2010-03-24 | 2014-07-30 | タカノ株式会社 | Chair lumbar support equipment |
Also Published As
Publication number | Publication date |
---|---|
JPH0440538Y2 (en) | 1992-09-22 |
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