JPS58186204U

JPS58186204U - Fastening device for chairs, etc.

Info

Publication number: JPS58186204U
Application number: JP8318082U
Authority: JP
Inventors: 高橋　吉典
Original assignee: 共栄工業株式会社
Priority date: 1982-06-04
Filing date: 1982-06-04
Publication date: 1983-12-10

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

[Brief explanation of drawings]

第１図は実施例として本考案を応用する椅子の概略図、
第２図は第１図において上面から見たねじ受は部材取付
孔の拡大図、第３図Ａはフランジ９　を形成する前のね
じ受は部材の斜視図、第３図Ｂ・ば第３図Ａの断面図、
第４図はねじ受は部材の固定構造を示す断面図である。１・・・・・・椅子本体、５・・・・・・貫通孔、６・
・・・・・ねじ受は部材回動規制面、８・・・・・・ね
じ受は部材、９・・・・・・軸部、１０・・・・・・着
座部、１１・・・・・・フランジ、１２・・・・・・肉
薄部。□FIG. 1 is a schematic diagram of a chair to which the present invention is applied as an example;
Figure 2 is an enlarged view of the screw receiver seen from the top in Figure 1, and Figure 3A is a perspective view of the member before the flange 9 is formed. A cross-sectional view of figure A,
FIG. 4 is a sectional view showing the fixing structure of the screw receiver. 1...Chair body, 5...Through hole, 6.
...Screw receiver is member rotation regulating surface, 8...Screw receiver is member, 9...Shaft part, 10...Seating part, 11... ...Flange, 12... Thin wall part. □

Claims

[Scope of Claim for Utility Model Registration] In a fastening device that fastens members of a chair, etc. together, a mounting bolt and a screw receiver having a threaded hole that engages with the bolt can be rotated by one member. The member of the last year's screw receiver that is held in place is composed of a shaft portion having a screw hole in the center, a seating portion provided at one end of the shaft portion, and a thin wall portion provided at the other end of the shaft portion, and the shaft portion or A rotation restriction surface is formed on at least a portion of the outer peripheral surface of the seating portion, and a surface that comes into contact with the rotation restriction surface and cooperates with the rotation restriction surface to prevent the screw receiver from rotating the member. formed on the one member, and furthermore, the thin portion of the shaft portion is expanded to form a flange when the shaft portion is inserted into a mounting hole provided in the one member, and the flange and A device for fastening a member such as a chair, wherein the seating portion is configured to cooperate with each other to clamp the one member.