Device for rotary torque enhancement

Details Device for rotary torque enhancement Device for rotary torque enhancement

1991-04-10

1993-01-19

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

92 5714, 92 5724, B25B 1700

Patent

active

051798760

ABSTRACT:
The device transmits and mechanically amplifies input torque into increased output torque to facilitate such chores as tightening or loosening wheel lug nuts, and cranking a rotary mechanical jack. When used to tighten or loosen a wheel lug nut, the device is preferably anchored in place by attachment to a wheel lug nut other than the lug nut being tightened or loosened. When used to crank a mechanical jack, the device is preferably anchored in place by use of a crank handle, and the device is operated by use on an auxiliary crank. The inptut torque to the device can be supplied by hand or by an electric motor operated by battery power transmitted via a plug fitted into the socket of a cigarette lighter. The device is compact and can be readily used, even by physically weak or infirm persons.

REFERENCES:
patent: 3905254 (1975-09-01), Palatnick et al.
patent: 4063475 (1977-12-01), Perkins
patent: 4274310 (1981-06-01), Michaud

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