Combination adjustable/lockable/measuring wrench, and methods of

Details Combination adjustable/lockable/measuring wrench, and methods of Combination adjustable/lockable/measuring wrench, and methods of

1979-09-14

1982-04-27

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81DIG3, B25B 1316

Patent

active

043264360

ABSTRACT:
A combination adjustable/lockable/measuring wrench which enables the user of the wrench to operate, with the same hand that is holding the wrench, a push button for selectively locking and unlocking the wrench jaws in any desired position. The push button controls an over center linkage which controls the legs of a U-shaped brake shoe for selectively gripping and ungripping the wrench worm gear shaft. On one side of the wrench jaws there is provided an inch scale for measuring various bolts and nuts. On the opposite surface of the wrench jaws there is a metric scale for similarly measuring such bolts and nuts but on a metric scale, rather than on an inch scale.

REFERENCES:
patent: 2714323 (1955-08-01), Lyons
patent: 3183744 (1965-05-01), Bowman
patent: 3948120 (1976-04-01), Hancock

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