JPH0419911U

JPH0419911U -

Info

Publication number: JPH0419911U
Application number: JP4820090U
Authority: JP
Priority date: 1990-05-10
Filing date: 1990-05-10
Publication date: 1992-02-19

Description

[Brief explanation of drawings]

第１図はこの考案のゆるみ止めワツシヤ付きボ
ルトの一実施例の全体断面図、第２図はボルトの
正面図、第３図ａはゆるみ止めワツシヤの一実施
例の平面図、同ｂは同じく断面図、第４図は舌片
からなる折曲げ部を有するゆるみ止めワツシヤの
他の実施例の平面図である。１……ボルト、２……ナツト、３，３′……ゆ
るみ止めワツシヤ、４……軸部、５……縦溝、６
……突出線条、７……円孔。 Fig. 1 is an overall sectional view of an embodiment of the bolt with a locking washer of this invention, Fig. 2 is a front view of the bolt, Fig. 3a is a plan view of an embodiment of the locking washer, and Fig. 3b is the same. The sectional view and FIG. 4 are plan views of another embodiment of the locking washer having a bent portion consisting of a tongue. 1... Bolt, 2... Nut, 3, 3'... Locking washer, 4... Shaft, 5... Vertical groove, 6
...protruding striations, 7...circular holes.

Claims

[Claims for Utility Model Registration] (1) A bolt having one or more longitudinal grooves along the axial direction on the outer periphery of the shaft, a nut to be engaged with the bolt, and a nut fitted to the shaft in the center. A circular hole is provided, and one or more protruding lines are provided on the inner periphery of the circular hole, extending perpendicularly to the back side of the washer body and capable of being inserted into the longitudinal grooves, depending on the number of the longitudinal grooves. A bolt with a locking washer that is combined with a locking washer that protrudes toward the center. (2) A locking washer that has one or more protruding lines extending perpendicularly to the back of the washer body on the inner periphery of a central circular hole and protruding toward the center of the circular hole.