Patent attributes
A stapler has a supporting base, a magazine assembly, a trigger assembly, a leg-flatting device and a rail assembly. The magazine assembly and the trigger assembly are connected pivotally to the supporting base. The leg-flatting device is mounted on the supporting base and has a moving base and an anvil element. The moving base is connected operationally to the supporting base and has an anvil hole. The anvil element is mounted moveably in the anvil hole and has a functional segment and a non-functional segment. The rail assembly mounted on and protrudes from the bottom face of the supporting base and has at least one rail bracket protruding from the bottom face of the supporting base. Each one of the at least one rail bracket has a rail in which the non-functional segment of the anvil element is slidably mounted.

