Patent ID: 6789719
Filing Date: 2004-09-14
Classification: B25C

Abstract:
A stapler comprising:a handle extending upwardly above a housing and pivotally attached within said housing; a pair of links each attached to a roller, with a first of said links being separate from and movable relative to said handle, and pivotally attached to said handle at a first pivot point and a second of said links being pivotally attached to said housing at second pivot point; a trigger lever having a slot receiving said roller, said roller being pivotally attached to said housing at a trigger pivot point, and said trigger lever including a trigger portion; said housing further including a plunger and a power spring for driving said plunger for driving a staple into a workpiece, said trigger portion of said trigger lever being operable to lift said plunger against the force of said spring as said handle is pivoted downwardly toward said housing about said pivot point, with said two links causing said trigger lever to pivot about its pivot point and with said plunger; and a longitudinal direction defined as being generally a direction along said trigger lever, and said handle is pivotally attached to said housing at a handle pivot point which is longitudinally intermediate said first pivot point and said second pivot point.