JPS58165315U

JPS58165315U - knob screw

Info

Publication number: JPS58165315U
Application number: JP6322182U
Authority: JP
Inventors: 龍彦吉原
Original assignee: 三菱電機株式会社
Priority date: 1982-04-30
Filing date: 1982-04-30
Publication date: 1983-11-04

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 the drawing]

第１図はツマミネジを取り付けた状態を示す図、第２図
および第３図は従来のツマミネジの正面図および断面図
、第４図は装置のツマミネジ取付部の断面図、第５図は
この考案によるツマミネジの断面図であり、１は装置、
２はノ＼ネル、３はツマミネジ、４は座金、５は円錐座
である。なお、図中同一あるいは相当部分には同一符号
を付して示しである。Figure 1 shows the thumbscrew installed, Figures 2 and 3 are a front view and cross-sectional view of a conventional thumbscrew, Figure 4 is a cross-sectional view of the thumbscrew attachment part of the device, and Figure 5 is the new invention. 1 is a cross-sectional view of a thumb screw according to
2 is a channel, 3 is a thumb screw, 4 is a washer, and 5 is a conical washer. Note that the same or equivalent parts in the figures are indicated by the same reference numerals.

Claims

[Scope of utility model registration request]

A thumbscrew that fixes a panel on which electrical parts, etc. are installed to a device, has a threaded part to prevent it from falling off the panel and a shaft with a diameter that is the same as or smaller than the root diameter of this threaded part. A conical seat with the same diameter as the screw diameter is provided under the head of the screw, and by tightening the thumb screw, an inner diameter slightly larger than the diameter of the screw part provided on the panel and joint surface of the thumb screw and the thumb screw is provided. A thumb screw characterized by being constructed so that the centers of the washers coincide.