Automatic adjustable wrench

Details Automatic adjustable wrench Automatic adjustable wrench

1975-05-15

1976-10-05

Smith, Al Lawrence

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81DIG6, B25B 1312

Patent

active

039837688

ABSTRACT:
Automatic adjustable wrench wherein one jaw is adjustable by movement of a toothed surface of the jaw along a toothed support. The movable jaw is spring biased to close against an object disposed between the jaws of the wrench, and hence is automatically adjusted.

REFERENCES:
patent: 1539987 (1925-06-01), Bell
patent: 1697291 (1929-01-01), Spence
patent: 3198041 (1965-08-01), Davis

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