A cartridge gun with a cartridge holder

B - Operations – Transporting – 05 – C

Patent

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Details

B05C 17/01 (2006.01)

Patent

CA 2563163

The invention relates to a cartridge pistol (1) comprising a cartridge holder (3) with springing gripper elements (17), a displaceable piston rod (4) for moving a piston in a cartridge (10) and an actuation device for displacing the piston rod (4). The cartridge holder (3) comprises a cylindrical base (12) for receiving the bottom area of a cartridge (10) wherein the gripper elements (17) protrude radially from the centre of the cartridge holder (3) outwards in the direction of the housing into an annular groove (14) of the base (12) as far as the outer wall of the annular groove (14) in the base (12) and are maintained in the centre of the base (12) by means of a hub (16). Means (5,25) are provided on the front end of the piston rod. Said means are used to press the ends of the springing gripper elements (17) in the direction of the housing (7) when the piston rod (4) is fully retracted in order to release the cartridge for withdrawal.

Pistolet (1) à mastic qui possède un élément de retenue (3) de cartouche pourvu d'éléments griffes (17) à effet de ressort, une tige (4) de piston pouvant être avancée et destinée à déplacer un piston dans une cartouche (10) et un dispositif d'actionnement destiné à avancer la tige (4) de piston. L'élément de retenue (3) de cartouche possède un socle cylindrique (12) destiné à recevoir la zone de fond d'une cartouche (10), dans lequel les éléments griffes (17) font saillie radialement dans le socle, du centre de l'élément de retenue (3) de cartouche vers l'extérieur en direction du boîtier (7), dans une rainure annulaire (14) du socle (12) jusqu'à la paroi externe de la rainure annulaire (14), et sont retenus au centre du socle (12) à l'aide d'un moyeu (16). L'extrémité avant de la tige de piston comporte des moyens (5, 25) destinés, lorsque la tige (4) de piston est complètement rétractée, à pousser les extrémités des éléments griffes (17) à effet de ressort en direction du boîtier (7) et ainsi à libérer la cartouche pour l'enlever.

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