JPS63197439U

JPS63197439U -

Info

Publication number: JPS63197439U
Application number: JP9083987U
Authority: JP
Priority date: 1987-06-12
Filing date: 1987-06-12
Publication date: 1988-12-20

Description

[Brief explanation of the drawing]

図は本考案の実施例の一つを示し、第１図は本
考案を具備した椅子の斜視図、第２図はラツチ杆
と固定側レールの係止状態を示す要部断面図、第
３図はラツチ杆と固定側レールの係止状態が解除
された状態の要部断面図、第４図は第２図におけ
るＡ―Ａ線断面図である。１……椅子本体、２……座板、４……足載板、
５……座板支持枠、５０……係止孔、５２……固
定側レール、５３……移動側レール、７……ラツ
チ杆、７１……操作部、７２……係止突片。 The figures show one of the embodiments of the present invention; Fig. 1 is a perspective view of a chair equipped with the present invention; Fig. 2 is a cross-sectional view of essential parts showing the locked state of the latch rod and fixed side rail; The figure is a cross-sectional view of the main part of the latch rod and the stationary rail in a state where the locking state is released, and FIG. 4 is a cross-sectional view taken along the line AA in FIG. 2. 1...chair body, 2...seat board, 4...footrest board,
5... Seat plate support frame, 50... Locking hole, 52... Fixed side rail, 53... Moving side rail, 7... Latch rod, 71... Operating section, 72... Locking protrusion.

Claims

[Scope of utility model registration request]

A footrest that can be attached to the front lower part of the chair body so that it can be adjusted up and down, a seat support frame that can be attached to the upper part of the chair body that can be adjusted up and down, and a seat that can be attached to the seat support frame so that it can be slid forward and backward. In a chair having a board, a fixed side rail having a plurality of locking holes formed at predetermined positions in the longitudinal direction is attached to the seat support frame, and a movable side rail is fitted onto the back of the seat plate and fitted onto the fixed side rail. The rail is attached to hold the seat plate on the seat plate support frame so that it can move back and forth, and a locking protrusion that locks into the locking hole is formed at the rear, so that the locking protrusion always stays in the locking hole. A seat in a chair, characterized in that a latch rod that is elastic in the direction of locking is rotatably held on a seat plate, and an operating part formed at the tip of the latch rod is exposed to the back surface of the front end of the seat plate. Board sliding device.