Chainsaw having ventholes for ventilation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 15, 2016
Grant Date -
Jul 18, 2013
app pub date -
Jan 7, 2013
filing date -
Jan 13, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A chainsaw includes: an engine unit; a fuel supplying device configured to supply fuel to the engine unit; and an engine chamber defining portion defining an engine chamber therein. The engine unit includes: a cylinder unit housing a piston therein; a crankshaft configured to be driven by the piston; and a crank case configured to support the cylinder unit and house the crankshaft therein. The cylinder unit is accommodated in the engine chamber. The engine chamber defining portion has a partitioning portion interposed between the cylinder unit and the fuel supplying device and is formed with a first engine chamber venthole and a second engine chamber venthole adjacent to the cylinder unit for achieving ventilation between the engine chamber and atmosphere.
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