Patent ID: 7097088

Claim:
A stapler comprising: a handle extending upwardly above a housing and pivotally attached within said housing at a handle pivot point; a pair of links each attached to a single roller, with a first of said links being pivotally attached to said handle and a second of said links being pivotally attached to said housing; a trigger lever having a slot receiving said single roller, said trigger lever being pivotally attached to said housing at a trigger pivot point, and a trigger portion pivoting with said trigger lever; and said housing further including a plunger and a power spring for driving said plunger to drive a staple into a workpiece, said trigger portion being operable to lift said plunger against the force of said power spring as said handle is pivoted downwardly toward said housing about said handle pivot point, with said pair of links causing said trigger lever to pivot about said trigger pivot point and causing said trigger portion to lift said plunger.