Lubricating device of four-stroke cycle engine unit for portable working machine
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United States of America Patent
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-
May 25, 1993
Issued Date -
N/A
app pub date -
Oct 22, 1992
filing date -
Dec 26, 1990
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A four-stroke cycle engine unit for a working machine has generally a lubricating device for lubricating mechanical parts in a valve chamber and a cam chamber. The lubricating device comprises a body which has the cam chamber and a crank chamber, a cylinder head and a head cover having the valve chamber, and a mechanism for preventing a lubricating oil from escaping from at least one of through holes for push rods provided in a wall of the valve chamber and the cam chamber.
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Family
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