JPS58102060U

JPS58102060U - screw retainer

Info

Publication number: JPS58102060U
Application number: JP19412981U
Authority: JP
Inventors: 高橋　三代治
Original assignee: 日新電機株式会社
Priority date: 1981-12-29
Filing date: 1981-12-29
Publication date: 1983-07-11

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薗および第２図は従来のねじ保持装置を示し、第１
図は取付完了時の断面図、第２図は動作時の断面図、第
３図は他の従来例の一部断面図、第４図以下の図面はこ
の考案のねじ保持装置の実施例を示し、第４図および第
５図は１実施例を示し、第４図は断面図、第５図ａおよ
びｂは脱落防止体の正面図および切断側面図、第６図お
よび第７図はそれぞれ他の実施例を示し、第６図は脱落
防止体の正面図、第７図は要部の断面図である。１６・・・フレーム、１７・・・タップ孔、２０・・・
取付ねじ、２１・・・カバーパネル、２２・・・透孔、
２５・・・脱落防止体、２６・・・薄板部、２７・・・
肉厚部、２８・・・係合孔、２９・・・かえり。Figures 1 and 2 show a conventional screw retaining device;
The figure is a cross-sectional view when the installation is completed, Figure 2 is a cross-sectional view during operation, Figure 3 is a partial cross-sectional view of another conventional example, and Figure 4 and the following drawings show an example of the screw retaining device of this invention. 4 and 5 show one embodiment, FIG. 4 is a sectional view, FIGS. 5 a and b are a front view and a cut side view of the fall prevention body, and FIGS. 6 and 7 are respectively Another embodiment is shown, with FIG. 6 being a front view of the drop-off prevention body, and FIG. 7 being a sectional view of the main part. 16... Frame, 17... Tap hole, 20...
Mounting screw, 21...Cover panel, 22...Through hole,
25... Falling prevention body, 26... Thin plate part, 27...
Thick part, 28...engaging hole, 29...burr.

Claims

[Scope of utility model registration request]

A mounting screw whose tip is screwed into the tap hole of the fixing part is loosely inserted from the outside into the through hole of the fixed part, the center part is formed by a thin plate part, and the outer periphery of the thin plate part is formed by a thick part. A drop-off prevention body is constructed, and an engagement hole having a smaller diameter than the outer diameter of the mounting screw is formed in the center of the thin plate portion, and the retaining hole of the drop-off prevention body is press-fitted into the mounting screw from the inside. A screw holding device with an inward burr formed on the thin plate.