Brakes – Internal-resistance motion retarder – Thrust member or piston structure
Reexamination Certificate
2007-06-21
2011-12-06
Siconolfi, Robert (Department: 3657)
Brakes
Internal-resistance motion retarder
Thrust member or piston structure
C188S322150
Reexamination Certificate
active
08069964
ABSTRACT:
A shock absorber includes a piston which has at least one compression fluid passage and at least one rebound fluid passage. A compression valve assembly closes the at least one compression passage and a rebound valve assembly closes the at least one rebound passage. An interconnecting passage connects the at least one compression fluid passage and the at least one rebound fluid passage to define an open flow path through the piston.
REFERENCES:
patent: 4615420 (1986-10-01), Mourray
patent: 6860370 (2005-03-01), Nakadate
patent: 2005/0056505 (2005-03-01), Deferme
patent: 2005/0263363 (2005-12-01), Katou et al.
patent: 05-057474 (1993-03-01), None
patent: 07-027164 (1995-01-01), None
patent: 2006-0102691 (2006-09-01), None
International Search Report dated Mar. 16, 2009 from corresponding PCT Application No. PCT/IB2008/001878.
Written Opinion of International Searching Authority dated Mar. 16, 2009 from corresponding PCT Application No. PCT/IB2008/001878.
Harness Dickey & Pierce PLC
Momper Anna
Siconolfi Robert
Tenneco Automotive Operating Company Inc.
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