Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Reexamination Certificate
2007-05-15
2007-05-15
Schwartz, Christopher P. (Department: 3683)
Spring devices
Vehicle
Mechanical spring and nonresilient retarder
C188S322190
Reexamination Certificate
active
11220427
ABSTRACT:
A cylindrical sleeve is inserted between the body of a competition shock absorber and its adjustable compression spring to protect the body from undue wear created by rubbing of the spring on the threads formed on the external surface of the shock. Different color sleeves can be used on shocks having different performance characteristics to facilitate change out to accommodate varying track conditions.
REFERENCES:
patent: 4167991 (1979-09-01), Karklins et al.
patent: 4281884 (1981-08-01), Freitag et al.
patent: 4744444 (1988-05-01), Gillingham
patent: 5350185 (1994-09-01), Robinson
patent: 5454550 (1995-10-01), Christopherson
patent: 5477948 (1995-12-01), Stevens
patent: 5961106 (1999-10-01), Shaffer
patent: 2249266 (1973-10-01), None
Big Shot Performance, LLC
Schwartz Christopher P.
Thomson Richard K
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