Bottom valve apparatus of hydraulic shock absorber

Details Bottom valve apparatus of hydraulic shock absorber Bottom valve apparatus of hydraulic shock absorber

2007-07-10

2007-07-10

Schwartz, Christopher P. (Department: 3683)

Brakes

Internal-resistance motion retarder

Valve structure or location

Reexamination Certificate

active

10636080

ABSTRACT:
In a bottom valve apparatus in which a flow passage is formed in a bottom piece, a check valve opening and closing the flow passage is provided in one face side of the bottom piece, and a coil spring urging the check valve is fastened by a bolt and a nut which are provided in the bottom piece, a thread direction of the nut or the bolt fastening the coil spring is set to an opposite direction to a winding direction of the coil spring.

REFERENCES:
patent: 3151855 (1964-10-01), Joseph
patent: 3684179 (1972-08-01), Fischer et al.
patent: 3761189 (1973-09-01), Suzuki
patent: 4390084 (1983-06-01), Haraikawa et al.
patent: 6290035 (2001-09-01), Kazmirski
patent: 6666785 (2003-12-01), Namie et al.
patent: 1113186 (2001-07-01), None
patent: 1148268 (2001-10-01), None
patent: 222150 (1991-03-01), None

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