US Patent: 885,003 - Improved Monkey Wrench


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US Patent: 885,003

Wrench
Improved Monkey Wrench

Patentee:

Charles E. Hawkins (exact or similar names) - Braddock, PA

USPTO Classifications:

81/146, 81/158

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

wrenches : nut wrenches

Assignees:

Charles E. Hawkins - Braddock, PA

Alfred T. Thompson - Braddock, PA

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	May 17, 1907
Granted:	Apr. 14, 1908

Patent Pictures:

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Description:

The base of the movable jaw can be moved against spring tension to disengage the adjusting worm. The threads on the adjusting worm are shaped to facilitate quick adjustment.