JPH01128649U - - Google Patents
Info
- Publication number
- JPH01128649U JPH01128649U JP1988026111U JP2611188U JPH01128649U JP H01128649 U JPH01128649 U JP H01128649U JP 1988026111 U JP1988026111 U JP 1988026111U JP 2611188 U JP2611188 U JP 2611188U JP H01128649 U JPH01128649 U JP H01128649U
- Authority
- JP
- Japan
- Prior art keywords
- sector gear
- fixed
- fixed frame
- detent pawl
- movable frame
- 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
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第１図は本考案にかかるヘツドレストの前後調
整装置の斜視図、第２図は第１図の要部の分解斜
視図、第３図は第１図の側面図、第４図Ａ〜Ｅは
第１図の装置の作動状態を示す側面図である。
図中、１はヘツドレスト、４は固定フレームた
る枠体、５はステー、８，９は平行リンクたるリ
ンクアーム、１０は可動フレームたるヘツドレス
トの側枠、１１は回動軸たるシヤフト、１２はブ
ラケツト、１４はセクタギア、１５はもどり止め
用爪、１６は復帰板、２３はリターンスプリング
である。
Fig. 1 is a perspective view of the headrest longitudinal adjustment device according to the present invention, Fig. 2 is an exploded perspective view of the main parts of Fig. 1, Fig. 3 is a side view of Fig. 1, and Figs. 4 A to E are FIG. 2 is a side view showing the operating state of the device of FIG. 1; In the figure, 1 is a headrest, 4 is a frame body that is a fixed frame, 5 is a stay, 8 and 9 are link arms that are parallel links, 10 is a side frame of the headrest that is a movable frame, 11 is a shaft that is a rotation axis, and 12 is a bracket. , 14 is a sector gear, 15 is a detent pawl, 16 is a return plate, and 23 is a return spring.
Claims (1)
ストを形成する可動フレームとを平行リンクで連
結し、この平行リンクの固定フレーム側の軸に回
動可能な回動軸を設け、前記固定フレームに前記
回動軸が回動可能に挿通するブラケツトを固定し
、このブラケツトに前記回動軸に固着したセクタ
ギアとこのセクタギアのもどりを阻止するもどり
止め用爪とを設けるとともに、前記セクタギアと
もどり止め用爪との係合状態を解除する復帰板を
配設し、前記固定フレームと可動フレームとの間
に、前記セクタギアともどり止め用爪との係合状
態が解除すると前記可動フレームを初期状態に復
帰させるリターンスプリングを設け、前記ヘツド
レストが前記ステーに対して前後方向へ移動する
ことを特徴とするヘツドレストの前後調整装置。 A fixed frame fixed to the upper part of the stay and a movable frame forming a head rest are connected by a parallel link, and a rotatable rotation axis is provided on the axis of the parallel link on the fixed frame side, and the rotation axis is attached to the fixed frame. A bracket through which the sector gear is rotatably inserted is fixed, and this bracket is provided with a sector gear fixed to the rotating shaft and a detent pawl that prevents the sector gear from returning, and an engagement between the sector gear and the detent pawl is provided. A return plate for releasing the engaged state is disposed, and a return spring is provided between the fixed frame and the movable frame for returning the movable frame to the initial state when the engagement state between the sector gear and the detent pawl is released. 1. A headrest longitudinal adjustment device, wherein the headrest is moved in a longitudinal direction with respect to the stay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026111U JPH0734620Y2 (en) | 1988-02-29 | 1988-02-29 | Headrest front-back adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026111U JPH0734620Y2 (en) | 1988-02-29 | 1988-02-29 | Headrest front-back adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128649U true JPH01128649U (en) | 1989-09-01 |
| JPH0734620Y2 JPH0734620Y2 (en) | 1995-08-09 |
Family
ID=31247443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988026111U Expired - Lifetime JPH0734620Y2 (en) | 1988-02-29 | 1988-02-29 | Headrest front-back adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734620Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020147212A (en) * | 2019-03-14 | 2020-09-17 | 備前発条株式会社 | Headrest |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61102153U (en) * | 1984-12-12 | 1986-06-30 |
-
1988
- 1988-02-29 JP JP1988026111U patent/JPH0734620Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61102153U (en) * | 1984-12-12 | 1986-06-30 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020147212A (en) * | 2019-03-14 | 2020-09-17 | 備前発条株式会社 | Headrest |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734620Y2 (en) | 1995-08-09 |