Patent ID: 8186552

Claim:
A stapler comprising: a supporting base having a bottom face; a magazine assembly connected pivotally to the supporting base; a trigger assembly connected pivotally to the supporting base above the magazine assembly; a leg-flatting device mounted on the supporting base and having a moving base connected operationally to the supporting base and having an anvil hole defined through the moving base; and an anvil element mounted moveably in the anvil hole in the moving base and having a functional segment mounted moveably in the anvil hole; and a non-functional segment; and a rail assembly mounted on and protruding from the bottom face of the supporting base and comprising at least one rail bracket protruding from the bottom face of the supporting base and each one of the at least one rail bracket having a rail in which the non-functional segment of the anvil element is slidably mounted, wherein the supporting base has two side faces; and the at least one rail bracket of the rail assembly is separated from the side faces of the supporting base.