Internal-combustion engines – Poppet valve operating mechanism – Overhead camshaft
Reexamination Certificate
2006-04-11
2006-04-11
Denion, Thomas (Department: 3748)
Internal-combustion engines
Poppet valve operating mechanism
Overhead camshaft
C123S090600, C029S888100
Reexamination Certificate
active
07025024
ABSTRACT:
The invention relates to a camshaft comprising a tubular shaft (1) and cams (2) which are radially disposed thereon. Said cams (2) respectively engage with the shaft in a perfect fit (1) and the free surface (1.1) of the shaft forms the base circle of the cams (2), whereby the cams (2) are respectively engaged in pocket-like recesses of the shaft (1).
REFERENCES:
patent: 2621539 (1952-12-01), Eustis et al.
patent: 5038450 (1991-08-01), Swars
patent: 5197351 (1993-03-01), Hishida
patent: 5253546 (1993-10-01), Elrod et al.
patent: 4324836 (1995-01-01), None
Chang Ching
Denion Thomas
Tarolli, Sundheim Covell & Tummino L.L.P.
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