Chain saw
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United States of America Patent
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Oct 8, 2013
Grant Date -
Jul 28, 2011
app pub date -
Jan 27, 2011
filing date -
Jan 28, 2010
priority date (Note) -
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Abstract
In a chain saw, the tension of a saw chain attached around the outer edge of a guiding bar can be adjusted appropriately by adjusting the force transmitted to a connecting unit during operation of a hand guard. Thus, the saw chain 6 can be easily strained at great tension without use of a strong coil spring.
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