Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Reexamination Certificate
2004-11-04
2008-08-12
Schwartz, Christopher P (Department: 3683)
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
C267S034000, C267S221000
Reexamination Certificate
active
07410154
ABSTRACT:
The invention is a fluidic damper which comprises a closed cylinder (100) containing a valve mechanism. The valve mechanism is attached to a piston rod (110), a portion of which (the piston rod) emerges through an opening in one end wall of the cylinder (100). The valve mechanism (90) comprises a disc (10) with an axle (15), a rotatable annular cover piece (20) and an annular turning piece (40). A spring (30) is disposed between the cover piece (20) and the turning piece (40).
REFERENCES:
patent: 4948103 (1990-08-01), Bowden et al.
patent: 5220706 (1993-06-01), Bivens
patent: 5579874 (1996-12-01), Jeffries et al.
patent: 6957807 (2005-10-01), Zimmer et al.
patent: 7076834 (2006-07-01), Li
patent: 20107426 (2001-10-01), None
patent: 20307522 (2004-10-01), None
patent: 1026421 (2000-08-01), None
patent: 1236 925 (2002-09-01), None
Lam Harn Lian
Lam Harn Yan
Harn Marketing SDN BHD
Schwartz Christopher P
Volpe and Koenig P.C.
LandOfFree
Fluid damper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fluid damper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid damper will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4005265