Releasable motor fixture for power saw - has rotating locking ring on drive housing working matching tightening bolt on tool end

摘要

The device is for fixing and releasing attachments to the drive unit of a power saw. A locking ring (20) is rotatably fitted with a shouldered bolt (22), which engages slotted recesses on the locking ring. The recesses are located parallel to the circumference of the locking ring. The shaft end of the engine carries a clutch housing (12) serving for power transmission between a motor and tool. The locking device (100) is fitted apart from the locking ring with a tightening bolt (30) penetrating the ring.