Patent ID: 6729524
Filing Date: 2004-05-04
Classification: B25C

Abstract:
A nail cartridge for a nail gun comprising a nail hitting guider formed in a front end of a nail gun, a nail cartridge fixed under said nail hitting guider, a passageway formed between said nail cartridge and said nail hitting guider, a nail pusher provided in said nail cartridge for pushing group nails orderly into said nail hitting guider; andcharacterized by said nail cartridge having a nail way formed integral axially for a group nail to move therein, a rail groove formed in one side of said nail way, a notch formed near said rail groove and said nail way, a slide groove formed to face an other side of s aid nail way, an opening formed in a bottom and communicating with said nail way, said opening having a stop wall defining its upper side; said nail pusher consisting of a guide plate, a push member and a whirl spring, said guide plate having a guide rail formed in one side, said guide rail received in said rail groove of said nail cartridge, said guide rail having a cavity facing one side of said nail way, said guide plate having an other side received slidably in said slide groove of said nail cartridge, said guide rail having a moving member formed to protrude from its top and an opening formed in its bottom; said push member having a wing extending to one side to face said opening of said guide rail, a preset number of rods passing through said wing vertically in said opening of said guide rail, a coil spring fitting around on of said rods to push up said wing, said push member having a stop member formed in a top edge, said stop member slidable in said nail way to push said group nail or stopping against said stop wall; said whirl spring consisting of an elongate narrow plate spring wound around a sleeve shaft fitted around a small shaft pivotally connected to a location near said nail hitting guider to let said elongate narrow plate spring received in said rail groove of said nail cartridge, said elongate narrow plate spring having its inner end hooked in an inner wall of said guide rail of said guide plate, said elongate narrow plate spring pulled out when said guide plate operates, said elongate narrow plate spring recovering its resiliency to pull back said guide plate.