JPS5889611U

JPS5889611U - washer built-in screw

Info

Publication number: JPS5889611U
Application number: JP18507581U
Authority: JP
Inventors: 有賀　賢太郎; 晴雄小松
Original assignee: マルヤス電業株式会社
Priority date: 1981-12-12
Filing date: 1981-12-12
Publication date: 1983-06-17

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図及び第２図はねじ杆の正面図、第３図及び第４図
は座金の斜視図、第５図は係止爪片を形成した座金の斜
視図、第６図は支持板の斜視図、第７図は本考案の組立
ての一例を示した縦断正面図、第８図は第７図の座金組
込ねじのねじ込みを示した縦断正面図である。１→ねじ杆、２→頭部、３→ねじ部、４→係合突縁、５
→周溝、１２．１２ａ→係止爪片。Figures 1 and 2 are front views of the screw rod, Figures 3 and 4 are perspective views of the washer, Figure 5 is a perspective view of the washer with a locking pawl, and Figure 6 is a view of the support plate. FIG. 7 is a vertical sectional front view showing an example of the assembly of the present invention, and FIG. 8 is a vertical sectional front view showing screwing in of the washer assembly screw of FIG. 7. 1 → Threaded rod, 2 → Head, 3 → Threaded part, 4 → Engagement flange, 5
→ Peripheral groove, 12.12a → Locking claw piece.

Claims

[Scope of utility model registration request]

A washer that is provided with an engaging protrusion consisting of a flange, a circumferential groove, etc. on the outer periphery of the head of a screw rod, and that is loosely fitted into the threaded portion of the screw rod and engaged with the lower surface of the head, or a support plate that is applied to the lower surface of the washer. A screw with built-in washer, characterized in that a locking claw piece is bent and provided on a peripheral edge of the holder, the locking pawl piece being able to engage with the engaging protrusion so as to be able to rise.