Patent ID: 6863204
Filing Date: 2005-03-08
Classification: B25C

Abstract:
1. A cartridge for a hammer-type stapler comprising: a pair of substantially congruent staple containers, consisting essentially of an upper staple container and a lower staple container, each of said substantially congruent staple containers formed with an upper top surface and a lower top surface respectively and contiguously positioned in symmetric opposition to each other; and, a staple pusher mounted therein; wherein each of said pair of substantially congruent staple container comprises: a pair of parallel tracks fixedly mounted on and protruding from an inner aspect of said upper and lower top surfaces and thus defining therethrough an E-shaped groove; a plurality of staples loaded onto said pair of parallel tracks on which the staple pusher is mounted for biasing and advancing said staples toward a staple-outlet end of the staple container, said staple pusher including a shell with a staple-shaped cross-sectional profile and a block fixedly mounted on an internal bottom surface of said shell; a staple-outlet formed at said staple-outlet end; a steel pad mounted on said staple-outlet; wherein said block is aligned with said steel pad so as to prevent said staple pusher from projecting exterior to said staple-outlet, and, a metal covering pivotally mounted on said staple-outlet end to prevent any of said plurality of staples from slipping out of the cartridge when the metal covering is in a closed position, wherein the metal covering comprises: