Patent ID: 8857672

Claim:
A carriage assembly for a dispensing tool, the assembly comprising: a carriage having an attachment end that is attachable to the dispensing tool and an opposite dispensing end; at least one of an axial opening in the carriage oriented substantially normal to a longitudinal axis of the carriage and a radial opening through which a material-containing cartridge is insertable; a clamp member coupled to a peripheral wall of the carriage that is below the cartridge, the clamp member having a portion that protrudes toward the longitudinal axis and that is engageable with a rear end of the cartridge; a cover coupled to the peripheral wall of the carriage, wherein at least a portion of the clamp member is positioned between the peripheral wall and the cover; and a biasing member that exerts a force on the clamp member for biasing the cartridge toward the dispensing end.