JPH01150134U

JPH01150134U -

Info

Publication number: JPH01150134U
Application number: JP1988044110U
Authority: JP
Priority date: 1988-03-31
Filing date: 1988-03-31
Publication date: 1989-10-17

Description

[Brief explanation of the drawing]

第１図は本考案装置の一部切り欠いた側面図、
第２図は同、斜視図、第３図は操作機構部の分解
斜視図、第４Ａ及びＢは同、動作の説明図である
。図中、４はアツパーフレーム、５はロアーフレ
ーム、６及び７は回動支持機構としてのリンク、
２０は第１の操作軸杆、２１は第２の操作軸杆、
２５は第１の操作部材としての第１の操作ハンド
ル、２６は第２の操作部材としての第２の操作ハ
ンドル、２７は係合機構、３１は係合凸部、３２
は凹部である。 Figure 1 is a partially cutaway side view of the device of the present invention;
FIG. 2 is a perspective view of the same, FIG. 3 is an exploded perspective view of the operating mechanism, and FIGS. 4A and 4B are explanatory views of the operation. In the figure, 4 is an upper frame, 5 is a lower frame, 6 and 7 are links as rotation support mechanisms,
20 is a first operating shaft, 21 is a second operating shaft,
25 is a first operation handle as a first operation member, 26 is a second operation handle as a second operation member, 27 is an engagement mechanism, 31 is an engagement convex portion, 32
is a recess.

Claims

[Scope of Claim for Utility Model Registration] A front-rear rotation support mechanism disposed between an upper frame installed on the seat cushion side of the seat and a lower frame installed on the floor side, and the rotation of one side. a first operating shaft that operates the support mechanism; a second operating shaft that is disposed coaxially with the first operating shaft and that operates the other rotating support mechanism; and the first operating shaft. The first
a second operating member provided at the tip of the second operating shaft so as to be movable toward and away from the first operating member in the axial direction; an engagement mechanism in which both the operating members are engaged in the circumferential direction while in contact with the first operating member, and one of the operating members is engaged in the circumferential direction when the first operating member and the second operating member are separated from each other. Alternatively, the other rotation support mechanism is operated independently, and both rotation support mechanisms are operated simultaneously with the first operation member and the second operation member engaged by the engagement mechanism. A seat elevating device characterized in that the seat is raised and lowered.