Patent ID: 8356739

Claim:
A stapler comprising: a main arm having two slots defined through two sidewalls thereof, two first pivot holes defined through the two sidewalls and located at a first end of the main arm, and the sidewalls including two first pivots extending therefrom and the two first pivots being located beside the first pivot holes; two links, each link having a top hole and a bottom hole, a pin extending through the slots of the main arm and the top holes of the two links, the first pivots of the main arm being pivotably engaged with the bottom holes of the two links; an operation arm having two sidewalls including mediate portions and a first end, two mediate holes and two rear holes, the two mediate holes defined through the mediate portions of the two sidewalls and the rear holes defined through the first end of the two sidewalls, and a base having two first connection holes, two second pivots extending therefrom and a magazine which is located in the base, the first connection holes defined through a first end of the base and the operation arm pivotably connected to the first connection holes by the rear holes of the operation arm, and the second pivots of the base being pivotably connected to the first pivot holes of the main arm.