Patent ID: 6536646
Filing Date: 2003-03-25
Classification: B27F

Abstract:
A stapler comprising:a frame; a head assembly pivotally attached to the frame, the frame and head assembly pivotable with respect to one another between a first open position and a second clamped position; a staple driving mechanism reciprocally disposed in the head assembly between an up starting position and a down driving position; a motor fixed to the head assembly; a microswitch disposed in the stapler and electrically coupled to the motor; and a cam member connected to the motor and driven thereby, the cam member comprising: a first cam surface to contact and to actuate the microswitch; a second cam surface connected to the staple driving mechanism to reciprocate the mechanism between the up and down positions; and a third cam surface to engage a first bar fixed to the frame to pivot the frame and head assembly between the first and second positions.