Multi-stroke fastening device

Details Multi-stroke fastening device Multi-stroke fastening device

B - Operations, Transporting

25

C

B25C 1/06 (2006.01) B25C 1/00 (2006.01) B25F 5/02 (2006.01)

Patent

CA 2344167

A multi-stroke fastening device comprising a housing, a fastener drive track carried by the housing (12), a striker assembly guide track (26) mounted within the housing, a striker assembly (30) mounted in slidable relation within said guide track, a power drive assembly (50), and a feed mechanism (90). The striker assembly (30) includes a driver member (32) constructed and arranged to strike a fastener (33) disposed in the fastener drive track (14). The striker assembly (30) is constructed and arranged to be moved along the guide track (26) through a plurality of alternating drive strokes and return strokes to effect a plurality of impacts of the driver member (32) upon the fastener (33) in order to drive the fastener (33) into the workpiece. The striker assembly (30) has a substantially constant drive stroke lengths relative to the guide track (26). The power drive assembly (50) is constructed and arranged to drive the striker assembly (30) to effect the plurality of impacts of the driver member (32) upon the fastener (33), and the feed mechanism (90) is constructed and arranged to feed successive fasteners (34) into the drive track (14) to be struck by the striker assembly (30).

L'invention porte sur un dispositif de pose à chocs comportant: un boîtier (12); un couloir d'alimentation en clous (33); un couloir (26) de guidage d'un percuteur (30) placé dans le boîtier (12); un percuteur (30) coulissant dans ledit couloir (26); un moteur (50); et un mécanisme (90) d'alimentation. Le percuteur (30), qui comporte un élément (32) de frappe d'un clou (33) placé dans le couloir (14) d'alimentation est animé d'un mouvement alternatif dans son couloir (26) de guidage comprenant une course de frappe et une course de recul produisant une suite de chocs sur l'élément (32) de frappe pour enfoncer le clou (33) dans une pièce. La course du percuteur (30) dans son couloir (26) est sensiblement constante. Le moteur (50) est conçu pour amener le percuteur (30) à faire effectuer à l'élément (32) de frappe une suite de frappes sur le clou (33), tandis que le mécanisme (90) d'alimentation est conçu pour placer des suites de clous (34) dans le couloir (14) d'alimentation pour y être frappés par le percuteur (30).

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