JPS6435215U

JPS6435215U -

Info

Publication number: JPS6435215U
Application number: JP12949087U
Authority: JP
Priority date: 1987-08-26
Filing date: 1987-08-26
Publication date: 1989-03-03
Anticipated expiration: 2002-08-26
Also published as: JPH0519606Y2

Description

[Brief explanation of drawings]

第１図はこの考案の第１の実施例の断面図、第
２図は同じく板金の断面図、第３図は同じく底面
図、第４図は同じく第２の実施例の断面図、第５
図は同じくナツトの斜視図、第６図は従来例の断
面図である。１……板金、２……めねじ孔、３……傾斜壁、
４……撓み溝、５……めねじ、６……無溝部、７
……ビス、１２……ナツト。 Fig. 1 is a sectional view of the first embodiment of this invention, Fig. 2 is a sectional view of the sheet metal, Fig. 3 is a bottom view, Fig. 4 is a sectional view of the second embodiment, and Fig. 5 is a sectional view of the second embodiment.
The same figure is a perspective view of the nut, and FIG. 6 is a sectional view of the conventional example. 1...Sheet metal, 2...Female screw hole, 3...Slanted wall,
4...Bending groove, 5...Female thread, 6...No groove, 7
...Bis, 12...Natsuto.

Claims

[Claims for Utility Model Registration] 1. In a screw tightening device having a female threaded hole for screwing the screw, an inclined wall protruding toward the tip of the screw is provided outside the female threaded hole in an annular shape, and the inclined wall A screw tightening device with a notch for deforming the inclined wall at a position that does not cut the female thread. 2. The screw tightening device according to claim 1, wherein the inclined wall is a tapered wall or an arcuate wall. 3. The screw tightening device as set forth in claim 1 of the utility model registration claim, wherein the notch is a groove or a hole. 4. The screw tightening device according to claim 3 of the utility model registration, wherein the grooves are provided on both the front and back surfaces of the inclined wall.