JPH0280211U

JPH0280211U -

Info

Publication number: JPH0280211U
Application number: JP16098988U
Authority: JP
Priority date: 1988-12-12
Filing date: 1988-12-12
Publication date: 1990-06-20
Anticipated expiration: 2003-12-12
Also published as: JPH0650648Y2

Description

[Brief explanation of drawings]

第１図から第９図までの図面は、この考案の実
施例を示しており、第１図は本考案要部構成の斜
視図、第２図は、第１図の―線断面図、第３
図はワツシヤの正面図、第４図はワツシヤの側面
図、第５図は、被締結部材へのワツシヤの止着過
程を示す断面図、第６図は、第５図の矢視図、
第７図は、止着部が異なる第５図相当の断面図、
第８図は、第７図の矢視図、第９図は、スクリ
ユの詳細を示す図面、第１０図は、従来例を示す
第２図相当の断面図、第１１図は、他の従来例を
示す断面図、第１２図は、さらに他の従来例を示
す断面図である。１……被締結部材、２……スクリユ、３……締
結母材、４……ワツシヤ、６……連結部、７……
孔部、８……首下部、９……凸起、１１，１１０
……止着部。 The drawings from FIG. 1 to FIG. 9 show an embodiment of this invention, and FIG. 1 is a perspective view of the main structure of the invention, and FIG. 3
The figure is a front view of the washer, FIG. 4 is a side view of the washer, FIG. 5 is a sectional view showing the process of fixing the washer to the fastened member, and FIG. 6 is a view taken in the direction of the arrow in FIG. 5.
FIG. 7 is a sectional view corresponding to FIG. 5 with different fastening parts,
FIG. 8 is a view in the direction of the arrow in FIG. 7, FIG. 9 is a drawing showing details of the screw, FIG. 10 is a sectional view equivalent to FIG. 2 showing a conventional example, and FIG. 11 is another conventional example. A cross-sectional view showing an example, FIG. 12 is a cross-sectional view showing still another conventional example. DESCRIPTION OF SYMBOLS 1... Member to be fastened, 2... Screw, 3... Fastening base material, 4... Washer, 6... Connecting portion, 7...
Hole, 8... Lower neck, 9... Convexity, 11,110
...Fixing part.

Claims

[Scope of utility model registration request]

In the attachment/detachment structure of the fastened member to the fastened base material in which the fastened member is fastened to the fastened base material by a screw, the screw and the fastened member are connected via a washer. The hole that engages with the protrusion provided on the lower part of the neck of the screw and the fastening portion to the member to be fastened are formed to expand and contract in the axial direction of the screw by a spiral connecting portion. Features a washer to prevent screws from falling off.