Cartridge dispensing guns

B - Operations – Transporting – 05 – C

Patent

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Details

B05C 17/01 (2006.01) B05C 17/005 (2006.01)

Patent

CA 2400717

A cartridge dispensing gun comprises a pusher mechanism for incrementally displacing a dis-pensing piston of the cartridge, said pusher mechanism comprising a pusher rod (4) incrementally advanced by actuation of a trigger to tilt and displace a gripper associ-ated with the rod. The gripper is formed by two or more gripper plates (16) mounted in parallel, and each having a passage through which the rod passes. The passage in the gripper plate is bounded at one side of the gripper plate by an arc of part-circular shape to define a part-cir-cular edge which grips the rod when the gripper plate is tilted upon actuation of the trigger and also by a surface which is inclined to the axis of the passage and which contacts the surface of the rod when the gripper plate is tilted to thereby restrict the extent to which the edge can penetrate into the rod and cause damaging scoring of the rod.

Une tête de pistolage alternative de cartouche comprend un mécanisme poussoir permettant de déplacer progressivement un piston de distribution de la cartouche, ledit mécanisme poussoir comprenant une tige poussoir (4) qui avance petit à petit par activation d'une détente pour incliner et déplacer un organe de préhension associé à la tige. Ledit organe est constitué d'au moins deux plaques (16) montées en parallèle, et disposant respectivement d'un passage à travers lequel la tige circule. Le passage dans ladite plaque est lié à un côté de la plaque de l'organe de préhension par un arc de forme partiellement circulaire afin de définir un rebord en partie circulaire qui serre la tige, lorsque la plaque est inclinée après activation de la détente, et également par une surface qui est inclinée vers l'axe de passage et qui rentre en contact avec la surface de la tige, lorsque la plaque de l'organe de préhension est inclinée pour limiter l'extension à laquelle le rebord peut pénétrer dans la tige et occasionner des rayures endommageantes de la tige.

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