| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an engine chain saw that can stop supplying a saw chain with oil while the saw chain is being stopped, thereby efficiently supplying oil. <P>SOLUTION: The engine chain saw 1 includes: a crankshaft 9 rotatably driven by an engine; the chain saw 3 rotatable along a guide bar 4; a centrifugal clutch 10 connecting and disconnecting power transmission from the crankshaft 9 to the saw chain 3; an oil pump 12 supplying the saw chain 3 with the oil; and a clutch 14 for an oil pump connecting and disconnecting the power transmission from the crankshaft 9 to the oil pump 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
