JPS6160865U - - Google Patents
Info
- Publication number
- JPS6160865U JPS6160865U JP14702284U JP14702284U JPS6160865U JP S6160865 U JPS6160865 U JP S6160865U JP 14702284 U JP14702284 U JP 14702284U JP 14702284 U JP14702284 U JP 14702284U JP S6160865 U JPS6160865 U JP S6160865U
- Authority
- JP
- Japan
- Prior art keywords
- movable
- head rest
- drive gear
- internal tooth
- fixed side
- 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 1
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Description
第1図は本考案に係る前後位置調整型ヘツドレ
ストの一実施例を示すロツク機構部分の要部分解
斜視図、第2図はその要部断面図、第3図は前後
位置調整型ヘツドレストの動作状態を説明するた
めの概略構成図である。
図中、1……シートバツク、2……ヘツドレス
トステイ、3……ヘツドレスト、5……ヘツドレ
スト側部プレート、6……ヘツドレスト固定側プ
レート、7……ヘツドレスト駆動用歯車、8……
ラツク、10……ロツク機構、11,12……内
、外歯部、14……内歯部、15……内歯付部材
、16,17……第1および第2の歯部、18…
…遊星歯車、19……制御歯車、21……操作軸
。
Fig. 1 is an exploded perspective view of the main part of the locking mechanism showing an embodiment of the longitudinally adjustable headrest according to the present invention, Fig. 2 is a sectional view of the main part thereof, and Fig. 3 is the operation of the longitudinally adjustable headrest. FIG. 2 is a schematic configuration diagram for explaining the state. In the figure, 1... Seat back, 2... Headrest stay, 3... Headrest, 5... Headrest side plate, 6... Headrest fixed side plate, 7... Headrest drive gear, 8...
Rack, 10...Lock mechanism, 11, 12...Inner and outer teeth, 14...Inner teeth, 15...Internally toothed member, 16, 17...First and second teeth, 18...
... Planetary gear, 19 ... Control gear, 21 ... Operation axis.
Claims (1)
のヘツドレストステイに対し、シートの前後方向
に移動調整自在に設けられた可動ヘツドレストに
おいて、内、外歯部を有しかつその外歯部が前記
固定側または可動側に設けられたラツクに噛合す
るヘツドレスト駆動用歯車と、この駆動用歯車と
同軸上に並設されるようにして前記可動側または
固定側に設けられかつその円形口周縁に内歯部を
有する内歯付部材と、これら駆動用歯車および内
歯付部材の内歯部にそれぞれ噛合する第1および
第2の歯部を有する複数の遊星歯車と、これら遊
星歯車のいずれか一方の歯部に噛合するようにし
て前記駆動用歯車と同軸上に配設され回転調節操
作に応じて回動される制御歯車とからなるロツク
機構を備えていることを特徴とする前後位置調整
型ヘツドレスト。 A movable head rest provided so as to be movable and adjustable in the front and back direction of the seat with respect to a head rest stay as a fixed side extending from the upper end of the seat back, has inner and outer toothed parts, and the outer toothed part is attached to the fixed side. a headrest drive gear that meshes with a rack provided on the movable side or the movable side, and an internal tooth provided on the movable side or the fixed side so as to be coaxially arranged in parallel with the drive gear and on the circular mouth periphery thereof. a plurality of planet gears each having a first and second tooth portion that mesh with the drive gear and the internal tooth portion of the internal tooth member; and one of the planet gears. A front-rear position adjustable head rest comprising a locking mechanism comprising a control gear disposed coaxially with the driving gear so as to mesh with the teeth and rotated in response to a rotation adjustment operation. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14702284U JPS6160865U (en) | 1984-09-28 | 1984-09-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14702284U JPS6160865U (en) | 1984-09-28 | 1984-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6160865U true JPS6160865U (en) | 1986-04-24 |
Family
ID=30705260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14702284U Pending JPS6160865U (en) | 1984-09-28 | 1984-09-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6160865U (en) |
-
1984
- 1984-09-28 JP JP14702284U patent/JPS6160865U/ja active Pending
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