JPS6143451U

JPS6143451U - headrest

Info

Publication number: JPS6143451U
Application number: JP12826584U
Authority: JP
Inventors: 善徳黒谷
Original assignee: 白木金属工業株式会社
Priority date: 1984-08-24
Filing date: 1984-08-24
Publication date: 1986-03-22
Also published as: JPH0226366Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案のヘッドレストの実施例を示す斜視図、
第２図は前後調節機構の分解斜視図、、第３図は上下調
節機構の分解斜視図、第４図は本考案のヘッドレストの
前後の移動状態を示す側面図、第５図は一部を断面とし
て示す第１図の■矢視図、第６図は上下調節機構の電動
減速モータユニットの例を示す断面図である。１１・・・シートバック、１２・・・シートバックプレ
ート、１３・・・上下動機構、１４・・・基部ブラケッ
ト，１５・・・ステー、１６・・・リンク枢着孔、１８
・・・連動リンク、２０・・・枕体ブラケット、２１・
・・ラック、２５・・・電動減速モータユニット、２６
・・・ピニオン、２７・・・正逆回転モータ、３３・・
・雄ねじ部、３７・・・電動減速モータユニット、３８
・・・正逆回転モータ、４０・・・スクリューギャ、４
１・・・雌ねじ部、４３・・・抜け止めブラケットリFIG. 1 is a perspective view showing an embodiment of the headrest of the present invention;
Figure 2 is an exploded perspective view of the longitudinal adjustment mechanism, Figure 3 is an exploded perspective view of the vertical adjustment mechanism, Figure 4 is a side view showing the front and rear movement of the headrest of the present invention, and Figure 5 is a partial view. 1 and 6 are cross-sectional views showing an example of an electric deceleration motor unit of the vertical adjustment mechanism. DESCRIPTION OF SYMBOLS 11... Seat back, 12... Seat back plate, 13... Vertical movement mechanism, 14... Base bracket, 15... Stay, 16... Link pivot hole, 18
... Interlocking link, 20... Pillow body bracket, 21.
...Rack, 25...Electric reduction motor unit, 26
... Pinion, 27... Forward/reverse rotation motor, 33...
・Male thread part, 37...Electric reduction motor unit, 38
...Forward/reverse rotation motor, 40...Screw gear, 4
1... Female thread part, 43... Retaining bracket

Claims

[Scope of utility model registration request]

A pillow body bracket that fixes a pillow body is supported on a base bracket supported through a stay at the upper part of the seat back so as to be movable back and forth, and a rack in the front and rear direction is provided on this base bracket, and this A screw gear that supports a pinion that engages with the rack and an electric drive mechanism for this pinion, and further has a male threaded part carved directly into the portion of the stay located inside the seat back, and this male threaded part is screwed into the shaft part, and this screw gear. A headrest characterized in that an electric drive mechanism for rotationally driving a screw gear is supported within the seat back.