Patent ID: 6802443
Filing Date: 2004-10-12
Classification: B25C

Abstract:
A hammer-type stapler with cartridge for driving staples into target piece comprisinga casing having a front portion and a handle connected with a distal end of said front portion; a replaceable cartridge installed in said front portion; a pushing device slidably mounted in said handle; a hollow hammer casing extended from an opposing end of said front portion, said hammer casing including a front wall, a back wall, a pair of opposite side walls and an upper opening, said upper opening; a driving unit embedded on said side walls of said hammer casing; said front portion including a top wall, a pair of opposite side walls and a lower opening, said lower opening extended to said front wall of said hammer casing, said top wall of said front portion connected with said back wall of said hammer casing, said side walls of said front portion connected with said side walls of said hammer casing and respectively formed a cartridge-taking opening thereon adjacent to said lower opening; a cartridge matching unit installed on an internal surface of said front wall of said hammer casing for guiding said driving unit moved smoothly up and down; and a bracket with two ends respectively affixed on said side walls of said hammer casing adjacent to said cartridge matching unit for holding the cartridge; wherein said handle including a top wall, a lower wall and a pair of opposite side walls with a distal opening formed on an end thereof, said top wall formed a locking hole thereon adjacent to said distal opening, a lock pin installed in said pushing device and plugged in said locking hole; and said cartridge composed of two identical, upper and lower, opposite staple containers, said staple containers respectively protruded a pair of parallel tracks from each opposite top surface therein, a staple pusher and said staples slidably installed on said tracks and pushed by the pushing device, two staple-outlets respectively formed on said staple containers , and two steel pads respectively mounted on said staple-outlets for protecting said cartridge against cutting and abrasion from the driving element.