JPH0342250U - - Google Patents
Info
- Publication number
- JPH0342250U JPH0342250U JP10113889U JP10113889U JPH0342250U JP H0342250 U JPH0342250 U JP H0342250U JP 10113889 U JP10113889 U JP 10113889U JP 10113889 U JP10113889 U JP 10113889U JP H0342250 U JPH0342250 U JP H0342250U
- Authority
- JP
- Japan
- Prior art keywords
- lumbar support
- drive
- brake mechanism
- crank arm
- spring brake
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
図面はこの考案の実施例を示し、第１図は車両
用シートの斜視説明図、第２図は第１図の矢視
ランバーサポート装置の正面説明図、第３図は第
２図の−矢視横断面説明図、第４図は第２図
の−矢視縦断面説明図、第５図はスプリング
ブレーキ機構の斜視説明図、第６図はスプリング
ブレーキ機構の要部の切断正面説明図、第７図は
第６図の−矢視縦断面説明図、第８図はセク
タギヤとピニオンギヤの噛合関係を示す説明図、
第９図はクランクアームの取付状態を示す説明図
である。
Ｅ……車両用シート、Ｆ……ランバーサポート
装置、１０……シートバツク、１１……シートク
ツシヨン、１２……シートバツクフレーム、２０
……駆動手段（スプリングブレーキ機構）、２１
……出力軸、２２……ピニオンギヤ、２３……セ
クタギヤ、４０……クランクアーム、４０ａ……
クランク部、５０……ランバーサポートプレート
。
The drawings show an embodiment of this invention; FIG. 1 is a perspective explanatory view of a vehicle seat, FIG. 2 is a front explanatory view of the lumbar support device in the direction of the arrow in FIG. FIG. 4 is an explanatory cross-sectional view taken along the - arrow in FIG. 2; FIG. 5 is a perspective explanatory view of the spring brake mechanism; FIG. FIG. 7 is an explanatory diagram of a vertical cross-section taken in the direction of the − arrow in FIG. 6; FIG. 8 is an explanatory diagram showing the meshing relationship between the sector gear and the pinion gear;
FIG. 9 is an explanatory diagram showing the mounting state of the crank arm. E... Vehicle seat, F... Lumbar support device, 10... Seat back, 11... Seat cushion, 12... Seat back frame, 20
...Driving means (spring brake mechanism), 21
... Output shaft, 22 ... Pinion gear, 23 ... Sector gear, 40 ... Crank arm, 40a ...
Crank part, 50...lumbar support plate.
Claims (1)
ランクアームを介してランバーサポートプレート
を作動するようにしたランバーサポート装置を有
する車両用シートであつて、 上記駆動手段としてスプリングブレーキ機構を
用い、このスプリングブレーキ機構の出力軸に取
り付けたピニオンギヤを介してセクタギヤを駆動
するようにし、このセクタギヤの駆動により上記
クランクアームに回転力を付与し、この回転力に
よつてランバーサポートプレートを作動するよう
にしたことを特徴とする車両用シート。[Claims for Utility Model Registration] A vehicle seat having a lumbar support device in which a lumbar support plate is actuated via a crank arm by a drive means provided in the seat back, the drive means being a spring brake mechanism. is used to drive the sector gear via a pinion gear attached to the output shaft of this spring brake mechanism, and the drive of this sector gear applies rotational force to the crank arm, and this rotational force operates the lumbar support plate. A vehicle seat characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10113889U JPH0342250U (en) | 1989-08-31 | 1989-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10113889U JPH0342250U (en) | 1989-08-31 | 1989-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0342250U true JPH0342250U (en) | 1991-04-22 |
Family
ID=31650103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10113889U Pending JPH0342250U (en) | 1989-08-31 | 1989-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007130350A (en) * | 2005-11-11 | 2007-05-31 | Kokuyo Furniture Co Ltd | Chair and lumbar support |
-
1989
- 1989-08-31 JP JP10113889U patent/JPH0342250U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007130350A (en) * | 2005-11-11 | 2007-05-31 | Kokuyo Furniture Co Ltd | Chair and lumbar support |
| JP4692998B2 (en) * | 2005-11-11 | 2011-06-01 | コクヨ株式会社 | Chair and lumbar support |
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