B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/21
B25B 19/00 (2006.01) B25B 21/02 (2006.01)
Patent
CA 1161669
IMPACT WRENCH MECHANISM AND CLUTCH THEREFOR ABSTRACT OF THE INVENTION This invention pertains to an impact wrench mechanism and a clutch therefor, wherein a motor having an output shaft rotatably drives carrier member means mounted on an axis. Anvil jaw means ro- tatably and coaxially mounted adjacent the carrier member means have impact jaw means extending radially therefrom. Hammer member means having impact jaw means for impacting with the anvil jaw means is mounted on the carrier member means for rotation therewith and for limited linear motion relative thereto in a direction essentially transverse to the axis of rotation to allow the hammer member impact jaw means to contact the anvil jaw means. The line of force of the impact blow has a force component tending to urge the hammer means out of engagement with the anvil jaw means, but the hammer means has a mass and a mass center location such that linear inertial force is created which prevents motion of the hammer member means during the impact blow.
357610
Marcoux & Sher Swabey Mitchell Houle
Maurer Spencer B.
LandOfFree
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