| 摘要 |
A power tool including a motor, an arbor driven by the motor, a blade disposed on the arbor and having a rotational axis, the blade further having a hole, first and second clamps connected to the arbor and clamping the blade, at least one of the first and second clamps and arbor have a drive surface for contacting at least part of the arbor hole perimeter, the drive surface having a different shape than the hole, the drive surface having a segment, which in a first position does not contact a segment of the hole, and which in a second position upon rotation of the arbor, contacts a substantial length of the segment of the hole. Also disclosed is a blade having a rotational axis including a main body, a hole formed within the main body for receiving a drive surface, wherein the drive surface has a different shape than the hole, and a segment, which in a first position does not contact a segment of the hole, and which in a second position upon rotation of the drive surface contacts a substantial length of the segment of the hole.
|
