Appeal No. 2006-1644
Application No. 10/666,924
a crankshaft supported by at least one bearing in said
crank chamber, said crankshaft being drivably connected to said
piston, and having an output end cooperating with an input end
of said implement;
a cam rotatably mounted in said cam housing and driven by
said crankshaft at less than the full speed of said crankshaft.
THE REFERENCES
Kovacs1 DE 33 35 962 A1 Feb. 5, 1985
(German Offenlegungsschrift)
Takada et al. (Takada) 61-39416 Mar. 12, 1986
(Japanese utility model application laid open)
THE REJECTION
Claims 8-19 stand rejected under 35 U.S.C. § 103 as being
unpatentable over Kovacs in view of Takada.
OPINION
We affirm the aforementioned rejection.
The appellants argue only independent claim 8.
Consequently, we limit our discussion to that claim and the
other, broader, independent claim (14). See 37 CFR
41.37(c)(1)(vii)(2004).
Takada discloses a four stroke, internal combustion, spark
ignition engine comprising an engine block defining a cylinder
head (6) assembly, a cam (19) housing, a crank chamber (1), a
cylinder (4) bore, intake (10) and exhaust (11) valves in the
cylinder head assembly, a piston (5) slidably disposed in the
cylindrical bore, a crankshaft (2) drivably connected to the
1 Citations herein to Kovacs and Takada are to the English translations
thereof which are of record.
2
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