Patent ID: 6564985
Filing Date: 2003-05-20
Classification: B25C

Abstract:
A cartridge assembly for a nail driving gun having a nail-discharging plate that is formed with a nail-discharging track which extends in a longitudinal direction, said cartridge assembly being adapted to be connected securely to the nail-discharging plate for supplying nails into the nail-discharging track, said cartridge assembly comprising:a left cartridge half formed with a left side face; a right cartridge half coupled to said left cartridge half, and having a right side face confronting and spaced apart from said left side face to define a nail-receiving chamber therebetween, said nail-receiving chamber being adapted to be in vertical alignment and in spatial communication with the nail-discharging track, said right side face of said right cartridge half being formed with a plurality of spaced apart spring-receiving grooves, each of which extends in a transverse direction relative to the longitudinal direction and each of which is in spatial communication with said nail-receiving chamber; a plurality of urging members respectively disposed in said spring-receiving grooves; and a plurality of pushers, each of which includes a nail-pushing plate received movably in said nail-receiving chamber, said nail-pushing plates of said pushers being respectively connected to said urging members so as to be urged by said urging members to move in the transverse direction, each of said nail-pushing plates having a cross-section extending in the longitudinal direction, said cross-section of each of said nail-pushing plates having a first portion aligned with a respective one of said spring-receiving grooves, and a second portion extending from said first portion in the longitudinal direction between two adjacent ones of said spring-receiving grooves.