Patent ID: 6550661
Filing Date: 2003-04-22
Classification: B25C

Abstract:
A boosting mechanism for a stapler, wherein:bearing pieces are formed on both sides of a rear end portion of a clincher arm which includes a clincher table for bending a staple at a front end portion thereof; a magazine member, to which staples are loaded, and a driver arm for driving out a staple fed from the magazine member are pivotally mounted on an axle, which is provided at rear end portions of the bearing pieces; a handle member is rotatably disposed above the driver arm; a rotation supporting shaft of the handle member is provided at a position closer to the front end portion than the axle of the bearing pieces; and a pin, which is provided at a position closer to the front end portion than the rotation supporting shaft of the handle member, is inserted into elongated holes formed in side plates of the driver arm.