JPH0423854U

JPH0423854U -

Info

Publication number: JPH0423854U
Application number: JP6536690U
Authority: JP
Priority date: 1990-06-20
Filing date: 1990-06-20
Publication date: 1992-02-26

Description

[Brief explanation of the drawing]

第１図は本考案に係る油圧緩衝器の一部切欠き
縦断正面図、第２図は第１図の一部切欠き右側面
図、第３図は円筒カムの拡大展開図、第４図、第
５図はキーの平面図、第６図は従来の円筒カムの
展開図、第７図は従来の円筒カムの正面図、第８
図は従来のリングギヤの断面図、第９図は従来の
キーの平面図である。符号の説明、１１……シリンダ、１６……懸架
スプリング、１７……円筒カム、１８……カム面
、１９……ストツパ、２２……リングギヤ、２３
……キー溝、２４……キー、２６……ウオーム。 Fig. 1 is a partially cutaway longitudinal sectional front view of the hydraulic shock absorber according to the present invention, Fig. 2 is a partially cutaway right side view of Fig. 1, Fig. 3 is an enlarged developed view of the cylindrical cam, and Fig. 4 , Figure 5 is a plan view of the key, Figure 6 is a developed view of a conventional cylindrical cam, Figure 7 is a front view of a conventional cylindrical cam, and Figure 8 is a front view of a conventional cylindrical cam.
The figure is a sectional view of a conventional ring gear, and FIG. 9 is a plan view of a conventional key. Explanation of symbols, 11... Cylinder, 16... Suspension spring, 17... Cylindrical cam, 18... Cam surface, 19... Stopper, 22... Ring gear, 23
...Keyway, 24...Key, 26...Warm.

Claims

[Scope of utility model registration request]

A cylindrical cam is provided on the outer periphery of the cylinder so as to be movable in the rotational direction and vertical direction, and a ring gear is connected to the outer periphery of the cylindrical cam via a key. In a spring load adjustment device for a hydraulic shock absorber, which has a stopper on the outer periphery of the cylinder that engages with the cam surface, and a suspension spring on the upper part, a plate-shaped key is provided on the outer surface of the cylindrical cam, A spring load adjustment device for a hydraulic shock absorber, characterized in that a keyway is formed on the inner periphery of a ring gear, and the center of the key is formed to be slightly narrower.