JPH0335746U

JPH0335746U -

Info

Publication number: JPH0335746U
Application number: JP9684289U
Authority: JP
Priority date: 1989-08-18
Filing date: 1989-08-18
Publication date: 1991-04-08

Description

[Brief explanation of drawings]

第１図はこの考案に係る一実施例の要部を示す
分解斜視図、第２図ａは同上の係止状態を示す断
面図、第２図ｂは第２図ａのＸ−Ｘ線に沿つた断
面図、第２図ｃは同上の係止状態を解除した状態
を示す断面図、第３図は肘掛アームの移動状態を
示す側面図である。また、第４図はこの考案に係
る一実施例の全体を示す側面図、第５図はこしか
け座と座支持腕との連結部を示す分解斜視図、第
６図はこしかけ座と背もたれとを示す分解斜視図
、第７図は各リンクの動きを示す側面図である。１０……昇降装置、１１……基台、１２……支
柱、１３……上位リンク、１４……下位リンク、
１４ａ……リング部、１５……シリンダ装置、１
５ａ……ピストンロツド、２０……座支持腕、２
１……Ｕ形部材、２１ａ……ベアリング、２２…
…連結部材、３０……こしかけ座、３１……レー
ル、３２……連結部、３３……座フレーム、３４
，３５……円板、３６……孔、４０……背もたれ
、４１……背フレーム、４２……連結部材、５０
……リンク群、５１……第１リンク、５２……第
２リンク、５３……第３リンク、５４……第４リ
ンク、６０……肘掛アーム、６１……円形軸、６
２……フランジ、６３……ピン穴、６４……軸受
筒、６５……フランジ、６６……ピン、６７……
コイルばね、６８……ねじ、６９……レバー、７
０……受け部材。 Fig. 1 is an exploded perspective view showing the main parts of an embodiment of this invention, Fig. 2 a is a sectional view showing the same locked state, and Fig. 2 b is taken along line X-X in Fig. 2 a. FIG. 2c is a sectional view showing a state in which the locking state is released, and FIG. 3 is a side view showing a state in which the armrest arm is moved. Further, Fig. 4 is a side view showing the whole of one embodiment of this invention, Fig. 5 is an exploded perspective view showing the connecting part between the push-up seat and the seat support arm, and Fig. 6 is a side view showing the push-up seat and the backrest. FIG. 7 is an exploded perspective view showing the movement of each link. 10... Lifting device, 11... Base, 12... Support, 13... Upper link, 14... Lower link,
14a...Ring part, 15...Cylinder device, 1
5a... Piston rod, 20... Seat support arm, 2
1... U-shaped member, 21a... Bearing, 22...
...Connecting member, 30... Strap seat, 31... Rail, 32... Connection portion, 33... Seat frame, 34
, 35... Disc, 36... Hole, 40... Backrest, 41... Back frame, 42... Connection member, 50
... Link group, 51 ... First link, 52 ... Second link, 53 ... Third link, 54 ... Fourth link, 60 ... Armrest arm, 61 ... Circular shaft, 6
2...Flange, 63...Pin hole, 64...Bearing sleeve, 65...Flange, 66...Pin, 67...
Coil spring, 68...Screw, 69...Lever, 7
0...Receiving member.

Claims

[Scope of utility model registration request]

In a shampoo chair having a lifting device for a push-up seat and a backrest angle adjustment groove connected to the push-up seat, the rear ends of a pair of left and right armrest arms are rotatably attached to both sides of the rear end of the push-up seat. , a shampoo chair characterized by being provided with a locking mechanism for holding the armrest arm to the armrest device.