Patent ID: 8555516
Filing Date: 2013-10-15
Classification: B23D,Y10T

Abstract:
1. A saw blade clamping arrangement for a power tool including a housing, a drive shaft mounted for motion relative to the housing and having a longitudinal drive axis, and a saw blade that is adapted to be releasably interconnected with the drive shaft via the saw blade clamping arrangement, the saw blade clamping arrangement comprising: a clamp support base having first and second saw blade slots; a first spherical locking member operatively associated with the clamp support base and movable between a locked position that selectively locks the blade in the first slot and an unlocked position that releases the blade; a second spherical locking member operatively associated with the clamp support base and movable between a locked position that selectively locks the blade in the second slot and an unlocked position that releases the blade; a pivot pin mounted to the clamp support base and supported by opposing walls of the support base; and a release lever having a user interaction portion, a first cam surface and a second cam surface, the release lever positioned intermediate the opposing walls of the clamp support base and rotatably coupled around a pivot axis defined by the pivot pin wherein the release lever is movable between a first position, corresponding to locating the first and second locking members in their locked positions and a second position, which is associated with locating the first and second locking members in their unlocked positions; wherein in the first position, the first cam surface urges the first locking member at least partially into the first slot and the second cam surface urges the second locking member at least partially into the second slot to engage the blade in the locked position.