| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary blade with which damage of a connection part between the rotary blade and a rotation power transmission member is prevented and deep cutting of an object to be cut is prevented. SOLUTION: The rotary blade 100 is connected to a revolving shaft 106. The connection part between the revolving shaft 106 and the rotary blade 100 is located above a blade part 101. A bolt part 107 and a nut 108 being a connection member are not projected out under the blade part 101 when viewed in the transverse direction. COPYRIGHT: (C)2004,JPO
|
