Internal-combustion engines – Igniters – Sparkers
Reexamination Certificate
2007-09-11
2007-09-11
Argenbright, T. M. (Department: 3747)
Internal-combustion engines
Igniters
Sparkers
C439S128000
Reexamination Certificate
active
11293970
ABSTRACT:
A manually guided implement comprising an engine housing that at least partially surrounds a cylinder of an internal combustion engine. The engine housing has a wall provided with an opening for a spark plug that is disposed in the cylinder. A spark plug connector arrangement is placed over the outside of the spark plug and extends through the spark plug opening. Externally of the wall of the engine housing the spark plug connector arrangement is provided with a mechanism for insertion or application of a tool.
REFERENCES:
patent: 3174216 (1965-03-01), Hamilton
patent: 3935852 (1976-02-01), Donovan et al.
patent: 4125938 (1978-11-01), Clark
patent: 4202088 (1980-05-01), Hansen
patent: 4425697 (1984-01-01), Simmons
patent: 5186132 (1993-02-01), Runge
patent: 5253408 (1993-10-01), Wright
Andreas Stihl AG & Co. KG
Argenbright T. M.
Becker Robert W.
Robert W. Becker & Associates
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