Fastener driving tool

Details Fastener driving tool Fastener driving tool

B - Operations, Transporting

25

C

1/14

B25C 1/06 (2006.01) B25C 5/15 (2006.01)

Patent

CA 2032594

FASTENER DRIVING TOOL Abstract of the Disclosure A lightweight fastener driving tool capable of being battery powered utilizes a low cost fastener driving ram or blade that is normally located in a nip defined between a motor driven flywheel and an idler wheel. Upon the actuation of a trigger operated timing circuit, a solenoid is energized. The solenoid controls a toggle mechanism to adjust the position of the idler wheel with respect to the flywheel so as to force the blade against the flywheel and thereby to close the nip for a sufficient amount of time to initiate the driving of the blade downwardly through the nip. The timing circuit deenergizes the solenoid prior to the time that the blade exits the nip but the toggle mechanism maintains the idler wheel against the blade such that the blade continues to be driven by the flywheel. When the top of the blade exits the nip, the idler wheel can move towards the flywheel and the toggle mechanism releases the idler wheel so that the nip is open. With the nip open and the down- ward movement of the blade halted by a lower bumper, the blade is permitted to be raised to its non-actuated position by a double torsion spring.

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