JPH0327750U

JPH0327750U -

Info

Publication number: JPH0327750U
Application number: JP8949389U
Authority: JP
Priority date: 1989-07-27
Filing date: 1989-07-27
Publication date: 1991-03-20
Anticipated expiration: 2004-07-27
Also published as: JPH0721149Y2

Description

[Brief explanation of the drawing]

第１図は本考案に係るヘツドレスト昇降機構の
斜視図、第２図はヘツドレストの上昇位置の側面
図、第３図はヘツドレストの途中位置の側面図、
第４図はヘツドレストの格納位置の側面図、第５
図は緩衝機構の上昇位置の側面図、第６図は緩衝
機構の格納位置の側面図、第７図は第５図の正面
図、第８図は緩衝機構の第１変形例の斜視図、第
９図は第２変形例の斜視図、第１０図ａはヘツド
レストの格納位置の側面図、第１０図ｂは第１０
図ａの斜視図、第１１図ａはヘツドレストの上昇
位置の側面図、第１１図ｂは第１１図ａの斜視図
である。１０……リヤシート、１１……シートバツク、
１２……凹部、１３……ヘツドレスト本体、１４
……昇降機構、１６……ガイドフレーム、１６ｃ
，１６ｄ……上下方向の長孔、１６ｅ……前後方
向の長孔、１７……ベースフレーム、１９……前
ガイドシヤフト、２０ａ，２０ｂ……リンク、２
２ａ，２２ｂ……ガイドピン、２６……付勢機構
、２７……コイルスプリング、３０……緩衝機構
、３１，３２……リンク、３４，４３……セクタ
ーギヤ、３７，４４……増速ギヤ、３９……ダン
パー。 Fig. 1 is a perspective view of the headrest lifting mechanism according to the present invention, Fig. 2 is a side view of the headrest in the raised position, Fig. 3 is a side view of the headrest in the middle position,
Figure 4 is a side view of the storage position of the headrest;
6 is a side view of the buffer mechanism in the raised position, FIG. 7 is a front view of FIG. 5, and FIG. 8 is a perspective view of the first modification of the buffer mechanism. Fig. 9 is a perspective view of the second modification, Fig. 10a is a side view of the storage position of the headrest, and Fig. 10b is a perspective view of the second modification.
FIG. 11a is a perspective view of FIG. 11a, FIG. 11a is a side view of the headrest in the raised position, and FIG. 11b is a perspective view of FIG. 11a. 10...Rear seat, 11...Seat back,
12... recess, 13... headrest body, 14
... Lifting mechanism, 16 ... Guide frame, 16c
, 16d...Long hole in the vertical direction, 16e...Long hole in the front and back direction, 17...Base frame, 19...Front guide shaft, 20a, 20b...Link, 2
2a, 22b... Guide pin, 26... Biasing mechanism, 27... Coil spring, 30... Buffer mechanism, 31, 32... Link, 34, 43... Sector gear, 37, 44... Speed increasing gear , 39... damper.

Claims

[Scope of Claim for Utility Model Registration] A headrest for an automobile seat in which a headrest body housed in a recess formed in the upper part of the seat bag is made to protrude above the recess by an elevating mechanism, wherein the elevating mechanism It includes a base frame fixed in the recess and a guide frame fixed to the headrest main body, and the left and right falling parts of the guide frame have elongated holes in the vertical direction and elongated holes in the front-rear direction. A guide shaft that fits into a long hole in the vertical direction is rotatably supported on the left and right rising parts of the base frame. A headrest for an automobile seat, characterized in that guide pins that fit into long holes in different directions are supported.