JPS633256U

JPS633256U -

Info

Publication number: JPS633256U
Application number: JP9679786U
Authority: JP
Priority date: 1986-06-26
Filing date: 1986-06-26
Publication date: 1988-01-11

Description

[Brief explanation of the drawing]

図面はこの考案に係る座席の高さ調節装置の一
実施例を示すもので第１図は一部切欠き側面図、
第２図は平面図、第３図は正面図である。１：基枠、２：昇降枠、１１，１２：リンク、
２５：連結枠、２７：作動杆、３２：ラチエツト
ハンドル、３４：スライダーブロツク。 The drawings show an embodiment of the seat height adjustment device according to this invention, and FIG. 1 is a partially cutaway side view;
FIG. 2 is a plan view, and FIG. 3 is a front view. 1: Base frame, 2: Lifting frame, 11, 12: Link,
25: connecting frame, 27: operating rod, 32: ratchet handle, 34: slider block.

Claims

[Scope of utility model registration request]

The base frame 1 has both side edges bent upward to form guide rails 3, 3' having a U-shaped cross section, and bearing pipes 6, 6' provided at the rear end, and the base frame 1 whose both side edges are bent downward. Guide rail 7 with a U-shaped cross section,
7' and bearing pipes 8, 8 at the rear end.
A plurality of sets of links 11, 1 whose central portions are pivotally connected to each other by a shaft 10 are connected to the lifting frame 2 provided with a
2, one end of the same side of each link is provided on the elevating frame 2 and the base frame 1, and a bearing pipe 19 and the bearing pipe 8 are provided at one end of each link.
8' on a shaft 23, and similarly via the bearing pipe 17 and the bearing pipes 6, 6' on the shaft 22, and the other end on the same side is connected to the guide rails 3, 3' and 6. , 6', to form a cross-link mechanism, and an operating rod 27 is pivotally fitted to the elevating frame 2 or the base frame 1, and the tip of the operating rod 27 is connected to the A seat height adjustment device characterized in that it is threadedly connected to links 11 or 12 that are slidably fitted on guide rails 3, 3' and 6, 6', and that a ratchet mechanism is attached to the rear end.