JPS6179021U

JPS6179021U -

Info

Publication number: JPS6179021U
Application number: JP16423084U
Authority: JP
Priority date: 1984-10-30
Filing date: 1984-10-30
Publication date: 1986-05-27

Description

[Brief explanation of the drawing]

第１図は本考案の第１の実施例の斜視図、第２
図ａ〜ｃはその形成工程の状態図、第３図〜第６
図は本考案の第２〜第５の実施例の一部の斜視図
、第７図は本考案の応用例の説明図、第８図は従
来例の斜視図である。１……従来のとめねじ、２……本考案のとめね
じ、２１……ねじ山部、２２……ねじ導入部、３
……締付係合部、４……緩み防止部、５……スリ
ツト、６……ドライバー受け台、７……ドライバ
ー、８……六角レンチ係合部、９……プラスドラ
イバー用溝、１０……ＬＥＤケース、１１……Ｌ
ＥＤ。 Fig. 1 is a perspective view of the first embodiment of the present invention;
Figures a to c are state diagrams of the formation process, Figures 3 to 6.
The figures are perspective views of parts of second to fifth embodiments of the present invention, FIG. 7 is an explanatory view of an applied example of the present invention, and FIG. 8 is a perspective view of a conventional example. 1... Conventional set screw, 2... Set screw of the present invention, 21... Threaded part, 22... Thread introduction part, 3
...Tightening engagement part, 4...Loosening prevention part, 5...Slit, 6...Screwdriver holder, 7...Screwdriver, 8...Hexagonal wrench engagement part, 9...Slot for Phillips screwdriver, 10 ...LED case, 11...L
E.D.

Claims

[Claims for Utility Model Registration] 1. A cross section C having a thread formed on the outer circumferential surface, a tightening engagement portion provided on the end surface and on the inner diameter side of the outer circumferential surface, and having a slit extending over the entire length at one location in the axial direction. A female thread characterized by being made of a letter-shaped spring material. 2. The set screw according to claim 1 of the utility model registration claim, in which the respective threads of the slit portions are in contact with each other in a state in which the end surfaces of the slit portions are in contact with each other. 3 Utility model registration claim Paragraph 1, in which the end face of a spring material having a C-shaped cross section is bent inward and one or more notches are provided radially, so that the tightening engagement part is lengthened inwardly. The set screw described in Section 2. 4. The set screw according to claim 3, wherein a plurality of planes are formed on the inner circumferential surface of the bent portion to engage with a surface of a hexagonal wrench. 5. The set screw according to any one of claims 1 to 4 of the utility model registration claim, wherein the tightening engagement portions are provided on both end faces of the screw.