Heavy duty base valve

Brakes – Internal-resistance motion retarder – Valve structure or location

Reexamination Certificate

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Details

C188S315000

Reexamination Certificate

active

06883652

ABSTRACT:
A dual tube shock absorber has a base valve assembly which includes both low speed control using a bleed type orifice and high speed/high pressure blow off control using a disc spring. The base valve assembly provides this variable damping force characteristic while reducing the dead length of the shock absorber.

REFERENCES:
patent: 5042624 (1991-08-01), Furuya et al.
patent: 5113979 (1992-05-01), Driessen
patent: 5115892 (1992-05-01), Yamaoka et al.
patent: 5150775 (1992-09-01), Charles et al.
patent: 5325942 (1994-07-01), Groves et al.
patent: 5522486 (1996-06-01), Fulks et al.
patent: 5630485 (1997-05-01), Beck
patent: 06002731 (1994-01-01), None

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