Patent ID: 6244358
Filing Date: 2001-06-12
Classification: B25B,B25F

Abstract:
A power tool comprising:a motor assembly having a rotatable motor shaft mechanism;a motor control coupled to the motor assembly and operable between a normal off condition de-energizing the motor and an on condition energizing the motor;a rotatable tool shaft mechanism;a clutch shiftable between a normal disengaged condition decoupling the motor shaft mechanism from the tool shaft mechanism and an engaged condition coupling the motor shaft mechanism to the tool shaft mechanism, the clutch including a clutch driver coupled to the tool shaft mechanism and a clutch jaws member coupled to the motor shaft mechanism, the clutch driver movable coaxially with respect to the clutch jaws member to engage the clutch jaws member in the engaged condition; anda trigger member engageable with both the motor control and the clutch, and moveable between a first position, wherein the motor control is in its off condition and the clutch is in its disengaged condition, and a second position holding the motor control in its on condition and the clutch in its engaged condition for driving the tool shaft mechanism, the trigger adapted to hold the motor control in its on condition only after the clutch driver is in axial position for engagement with the clutch jaws mechanism.