Valves and valve actuation – Biased valve – Springs and spring retainers
Patent
1983-04-15
1985-05-07
Chambers, A. Michael
Valves and valve actuation
Biased valve
Springs and spring retainers
123188SB, 123188SC, F01L 300
Patent
active
045153469
ABSTRACT:
A valve spring retainer assembly includes a valve stem for reciprocation with respect to an engine head. A valve spring retainer provides a thrust surface against which a valve spring biases the valve stem into a closed position. The retainer includes an annular lock portion for preventing extrusion of the retainer key through the valve spring retainer.
REFERENCES:
patent: 2505128 (1950-04-01), MacPherson
patent: 3077874 (1963-02-01), Bush
Chambers A. Michael
Crane Cams Incorporated
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