JPH024447U

JPH024447U -

Info

Publication number: JPH024447U
Application number: JP8384288U
Authority: JP
Priority date: 1988-06-24
Filing date: 1988-06-24
Publication date: 1990-01-11

Description

[Brief explanation of drawings]

第１図は、この考案に係る座席用可動式ヘツド
レストの一部破断の斜視図、第２図は、第１図の
線―に沿つた、ステーの部分拡大断面図、第
３図Ａ，Ｂ、第５図Ａ，Ｂは、最下位置、最上位
置における、座席用可動式ヘツドレストの一部破
断の各左側面図および各正面図、第４図は、第３
図Ｂの線―に沿つた、ヘツドレスト本体の端
面図、第６図Ａ，Ｂは、この考案の別実施例にお
ける、最下位置での、座席用可動式ヘツドレスト
の一部破断の左側面図および第４図は類似する端
面図である。１０，１１０：座席用可動式ヘツドレスト、１
２，１１２：ヘツドレスト本体、１４，１１４：
ヘツドレストの駆動手段、１６：シートバツク、
１８：モータ（ＤＣギヤードモータ）、２０：ス
テー、２２：ケーブル、２４：ステーブラケツト
、４０：右リンク、４２：左リンク、４６：ベー
スブラケツト、５０，５１：歯部、５４：ピニオ
ンギヤ、５６：ブレーキ機構、５８：サポートド
ラム、６０：駆動ドラム、６４：ケーブルテンシ
ヨナー。 Fig. 1 is a partially cutaway perspective view of the movable headrest for a seat according to this invention, Fig. 2 is a partially enlarged sectional view of the stay taken along the line - in Fig. 1, and Figs. 3A and B. , FIGS. 5A and 5B are left side views and partially cutaway front views of the movable seat headrest at the lowest and highest positions, and FIG.
FIGS. 6A and 6B are end views of the headrest main body taken along the line in FIG. and FIG. 4 are similar end views. 10,110: Movable headrest for seat, 1
2,112: Headrest body, 14,114:
headrest driving means, 16: seat back;
18: Motor (DC geared motor), 20: Stay, 22: Cable, 24: Stay bracket, 40: Right link, 42: Left link, 46: Base bracket, 50, 51: Teeth, 54: Pinion gear, 56: Brake mechanism, 58: Support drum, 60: Drive drum, 64: Cable tensioner.

Claims

[Claims for Utility Model Registration] (1) A pair of left and right links, one end of which is attached to a stay bracket fixed to a pipe-shaped stay, and the other end with teeth attached to a base bracket so as to be rotatable. , a pinion gear that can mesh with the teeth of one of the links, a support drum that is interlocked with the pinion gear and are separated from each other on both sides, and a brake mechanism that is attached to one side of the base bracket. A motor with an interlockable drive drum is installed inside the main body, and is installed inside the seat bag, and is driven by a cable loosely inserted inside the stay.
A movable head rest for a seat, characterized in that a drive drum of a motor and a support drum of a brake mechanism of a drive means are linked together. (2) A pair of left and right links, one end with teeth attached to a stay bracket fixed to a pipe-shaped stay and the other end rotatably attached to a base bracket, and the teeth on one link. A driving means is disposed within the headrest main body, and includes a gearable pinion gear, a support drum that is interlocked with the pinion gear, separated from each other on both sides, and a brake mechanism attached to one side of the stable bracket. A motor with an interlockable drive drum is installed inside the seat bag, and is driven by a cable loosely inserted inside the stay.
A movable head rest for a seat, characterized in that a drive drum of a motor and a support drum of a brake mechanism of a drive means are linked together. (3) The movable headrest for a seat according to claim 1 or 2, wherein a cable tensioner for pulling the cable and applying tensioning force is provided on the seat back facing the motor.