JPS58149616U

JPS58149616U - Bolt retainer

Info

Publication number: JPS58149616U
Application number: JP4621882U
Authority: JP
Inventors: 肇服部
Original assignee: いすゞ自動車株式会社
Priority date: 1982-03-31
Filing date: 1982-03-31
Publication date: 1983-10-07

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図はボルト軸部をボルトねじ部よりも小径としたボ
ルトの使用状態の一例を示す一部を欠除した正面図、第
２図は本案装置のボルトの実施例を示す正面図、第３図
乃至第５図はスペーサの一例を示し、第３図は拡大平面
図、第４図は拡大斜視図、第５図は拡大縦断面図である
。第６図は本案装置におけるボルトの使用状態の一例を
示す一部縦断正面図、第７図、第８図、第９図、第１０
　　　”図、第１１図、第１２図、第１３図はスペーサ
の変形例の各−例を示す正面図である。２・・・・・・ボルト、４・・・・・・ボルト通孔、４
Ａ・・・・・・ボルト軸部、４Ｂ・・・・・・ボルトね
じ部、４Ｃ・・・・・・ボルト頭部、４Ｄ・・・・・・
ボルト頚下部、５・・・・・・スペーサ、５ａ・・・・
・・内面、５ｂ・・・・・・外面、５Ａ・・・・・・芯
材、５Ｂ・・・・・・被覆層、Ａ・・・・・・ボルト。、第７図　第６し１第９図　弗ＩＯ図：５Ｆ１第ｔｉ図　　弔１２図第１３　　図弗６　図一一千引４Ｂ’Fig. 1 is a partially cut-out front view showing an example of the usage state of a bolt in which the bolt shaft part has a smaller diameter than the bolt thread part; Fig. 2 is a front view showing an example of the bolt of the proposed device; 3 to 5 show an example of a spacer, with FIG. 3 being an enlarged plan view, FIG. 4 being an enlarged perspective view, and FIG. 5 being an enlarged longitudinal sectional view. Fig. 6 is a partially longitudinal front view showing an example of the usage state of the bolt in the proposed device, Fig. 7, Fig. 8, Fig. 9, and Fig. 10.
11, 12, and 13 are front views showing each modification of the spacer. 2...Bolt, 4...Bolt through hole, 4
A...Bolt shaft, 4B...Bolt thread, 4C...Bolt head, 4D...
Lower part of bolt neck, 5...Spacer, 5a...
...Inner surface, 5b...Outer surface, 5A...Core material, 5B...Coating layer, A...Bolt. , Fig. 7 Fig. 6 1 Fig. 9 IO diagram: 5F1 Fig. ti Fig. 12 Fig. 13 Fig. 6 Fig. 11 Chihiki 4B'

Claims

[Scope of utility model registration request]

A device that prevents bolts from being removed by allowing the inner surface of an arcuate spacer with a curve of more than a semicircle to come into contact with the lower part of the bolt neck.