JPS6069057U - Rotating device for the seat back of a chair - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は椅子全体の側面
図、第２図は側断面図、第３図は第１図の■・−■線に
おける断面図、第４図は分解斜視図、第５図および第７
図は第２図の作動説明図、第６図および第８図は座った
状態を示す説明図である。 １・・・・・・背体、２・・・・・・背体、３・・・・
・・支脚、４・・・・・・支持枠、５・・・・・・支軸
、６・・・・・・弾性体、７，８・・・・・・ストッパ
ー。 牙３図 ４λ　　　　　　　　・′ − 、ｆ−７１１／Ｘ）１１ ″″　　　　　　　３＜Ｉ／　　　　Ｉ［’−口The drawings show an embodiment of the present invention, and Fig. 1 is a side view of the entire chair, Fig. 2 is a side sectional view, Fig. 3 is a sectional view taken along the line ■ and -■ in Fig. 1, and Fig. 4 is an exploded view. Perspective views, Figures 5 and 7
The figure is an explanatory diagram of the operation of FIG. 2, and FIGS. 6 and 8 are explanatory diagrams showing the sitting state. 1... Back body, 2... Back body, 3...
... Support leg, 4 ... Support frame, 5 ... Support shaft, 6 ... Elastic body, 7, 8 ... Stopper. Fang 3 Figure 4λ ・′ − , f-711/X) 11 ″″ 3<I/ I[′-mouth

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 背体１を一体に形成した座体２の前後方向中間部を支脚
３の上部支持枠４に横方向の支軸５を介して回動できる
よう軸支し、座体２が前後方向に回動するのに抵抗を与
えるように支軸５の部分もしくは座体２の下面に弾性体
６を介装するとともに、座体２が前後方向にはストッパ
ー７．８に衝合して回動制限されるように装設して構成
したことを特徴とする椅子における座背体の回動装置。The front-back intermediate part of the seat body 2 integrally formed with the back body 1 is pivotally supported on the upper support frame 4 of the support leg 3 via a horizontal support shaft 5, so that the seat body 2 can be rotated in the front-rear direction. An elastic body 6 is interposed on the support shaft 5 or the lower surface of the seat body 2 to provide resistance to the movement, and the seat body 2 abuts against a stopper 7.8 in the front-rear direction to restrict rotation. 1. A rotating device for a seat back body of a chair, characterized in that the device is configured so that the seat back body is rotated.