Torque compensating apparatus

Details Torque compensating apparatus Torque compensating apparatus

1986-04-22

1988-09-06

Meislin, Debra

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

811776, 745519, B25G 110

Patent

active

047684062

ABSTRACT:
An apparatus, such as a screw driver, has a working member and a handle attached to the working member. The handle is of a predetermined cross-sectional shape when the tool is at rest. When incremental torque is applied to the handle is changes from the predetermined cross-sectional shape to another cross-sectional shape. As a result, the tool can have a cross-sectional shape, such as round, for low torque uses and a more suitable cross-sectional shape, such as oblong or triangular, for high torque uses. The handle returns to its predetermined shape when the high torque is released.

REFERENCES:
patent: 1642569 (1927-09-01), Winslow et al.
patent: 2162117 (1939-06-01), Perry
patent: 3189069 (1965-06-01), Stowell
patent: 3340914 (1967-09-01), Ricks
patent: 4031775 (1977-06-01), Petty
patent: 4488460 (1984-12-01), Ballone et al.
patent: 4599920 (1986-07-01), Schmid

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