Fastener driving tool

Details Fastener driving tool Fastener driving tool

B - Operations, Transporting

25

C

310/13, 1/14, 34

B25C 1/00 (2006.01) B25C 1/06 (2006.01)

Patent

CA 1220301

FASTENER DRIVING TOOL Abstract of the Disclosure A fastener driving tool of the type utilizing a motor driven energy storing flywheel and a recpiro- cating fastener driving ram employs a flywheel having a metal peripheral surface that selectively engages a metal surface of the ram in order to drive the ram into engagement with a fastener to be driven into a workpiece. An elastic cord returns the ram to a retracted position when the ram is disengaged by the flywheel, and a pair of elastic bumpers are employed to limit the travel of the ram in the direction of the retracted position and the direction of the fastener engaging position. The ram, bumpers and cords form a subassembly that permits the ram, cord and bumpers to be removed from the fastener as a unit. The cord is made relatively long to reduce the amount of stretch per unit length applied to the cord thereby to increase the life of the cord. The motor and fly- wheel may be rotated in opposite directions to reduce precessional forces.

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