JPS6113011U

JPS6113011U - Fixing device using bolts

Info

Publication number: JPS6113011U
Application number: JP9745784U
Authority: JP
Inventors: 一洋奥沢
Original assignee: 三芝工業株式会社
Priority date: 1984-06-28
Filing date: 1984-06-28
Publication date: 1986-01-25

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図は本考案によるボルトの斜視図、第２図はボルト
を溝に挿入したときの正面図、第３図は溝に挿入したボ
ルトを少し回したときの正面図、第４図は付属部材を固
着したときの断面図、第５図は他の実施例の正面図、第
６図は従来の固着装置の断面図、第７図は同上正面図で
ある。１・・・機枠、７・・・溝、１３・・・ボルト、１４・
・・ねじ部、１５・・・頭部、１６・・・狭山部分、１
７・・・広山部分、１８・・・係止段部、１９・・・外
面溝、２０・・・内面溝、２３・・・ナッＩ−、２４・
・・接触部分。Figure 1 is a perspective view of the bolt according to the present invention, Figure 2 is a front view of the bolt inserted into the groove, Figure 3 is a front view of the bolt inserted into the groove and turned slightly, and Figure 4 is attached. FIG. 5 is a front view of another embodiment, FIG. 6 is a cross-sectional view of a conventional fixing device, and FIG. 7 is a front view of the same. 1... Machine frame, 7... Groove, 13... Bolt, 14...
...Threaded part, 15...Head, 16...Sayama part, 1
7... Wide mountain portion, 18... Locking step portion, 19... External groove, 20... Inner groove, 23... Nut I-, 24...
...Contact part.

Claims

[Claims for Utility Model Registration] {1} The machine frame has a groove consisting of an outer groove with a predetermined width and an inner groove wider than the outer groove, and the head of the bolt is inserted into the inner groove. The bolt head is fitted with a threaded portion of the bolt that protrudes from the outer groove to attach the member, and the bolt head has a narrow portion whose width is slightly narrower than the width of the outer groove;
The bolt is characterized by forming a wide part whose width is wider than the inner groove width, and further forming a locking stepped part that coincides with the outer groove when the bolt is turned slightly and the head abuts inside the inner groove. Fixing device using bolts. (2) The fixing device using a bolt according to claim 1, which is a utility model registration, wherein a contact portion that makes surface contact with the inner groove is formed in the wide portion of the bolt head.