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US Patent: 728,842
Wrench
Patentee:
Charles S. Bonney - Portsmouth, OH

USPTO Classifications:
81/111

Tool Categories:
wrenches : alligator wrenches
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Kraeuter & Co. - Newark, NJ
Acme Hardware Co. - Newark, NJ

Witnesses:
Gladys L. Thompson
S. J. Conklin
M. C. Duffy

Patent Dates:
Applied: Oct. 11, 1902
Granted: May 26, 1903

Patent Pictures: [ 1 | 2 | 3 | 4 ]
Charles S. Bonney Pat. May 26, 1903
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BONNEY ADJUSTABLE ALLIGATOR (FLICKR)
Description:
The Bonney adjustable alligator wrench has a unique adjusting nut (pinion gear) with a spiral ridge imposed on a concave surface matching the curvature and teeth on the end of the movable jaw.

Produced or marketed as the BONNEY, Kraeuter VICTOR, KEEN KUTTER, and ACME adjustable alligator wrench.

The chief competitor for this was the ELGIN (Pat. nos. 584,019 & 809,755). It is more common than the W&B BULL TERRIER (pat. no. 670,681).

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