JPH0184233U

JPH0184233U -

Info

Publication number: JPH0184233U
Application number: JP1987178928U
Authority: JP
Priority date: 1987-11-26
Filing date: 1987-11-26
Publication date: 1989-06-05

Description

[Brief explanation of the drawing]

第１図イは本考案の実施例を示すヘツドレスト
装置のカバーを外した状態の斜視図、第１図ロは
イと反対側のヘツドレスト用カバーの斜視図、第
２図は第１図イのヘツドレスト装置の分解斜視図
、第３図イ，ロはブラケツトとフレームの凸部と
凹部の係合状態を示す説明図、第４図は従来のヘ
ツドレスト装置を示す分解斜視図である。図の主要部分の説明、２０，２１……カバー、
２２……ステー、２３……ブラケツトプレート、
２４……ブラケツト、２５……フレーム、２６，
２７……垂直面、２８，２９……ピン穴、３０，
３１……穴、３２，３３……皿バネ、３４，３５
……ピン、３６……凸部、３７……凹部、３８…
…凸部。 Figure 1A is a perspective view of a headrest device showing an embodiment of the present invention with the cover removed; Figure 1B is a perspective view of the headrest cover on the opposite side of Figure 1A; FIGS. 3A and 3B are explanatory diagrams showing the state of engagement between the protrusions and recesses of the bracket and frame, and FIG. 4 is an exploded perspective view of the conventional headrest device. Explanation of the main parts of the figure, 20, 21...Cover,
22... Stay, 23... Bracket plate,
24...Bracket, 25...Frame, 26,
27... Vertical surface, 28, 29... Pin hole, 30,
31... Hole, 32, 33... Belleville spring, 34, 35
...pin, 36...protrusion, 37...recess, 38...
...Protrusion.

Claims

[Scope of utility model registration request]

A stay for supporting the headrest on the seat backrest, a pair of brackets fixed opposite to the upper horizontal part of the stay and having a rotation center hole for the headrest, and installed with a gap in the left and right direction from the pair of brackets. with vertical surfaces on both sides,
A frame formed in an inverted U shape having a pin hole in the vertical plane that coincides with the rotation center hole, and inserted into the rotation center hole of the bracket and the frame via a disc spring to freely rotate the frame. A plurality of pins are fixed to the bracket, and a plurality of pins are provided on one vertical surface of the frame in the front-rear direction, and the pins are engaged with a convex portion or a recess provided on one surface of the one bracket to maintain the tilted state of the frame. A headrest device characterized by having a concave portion or a convex portion that moderately fixes the headrest.