US Patent: 618,245 - Monkey Wrench


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US Patent: 618,245

Monkey Wrench

Patentee:

Maschil D. Converse (exact or similar names) - New York, NY

USPTO Classifications:

403/247, 81/129

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

Tower & Lyon - New York, NY

Manufacturer:

Not known to have been produced

Witnesses:

J. Henry Kaiser

Edw. T. Kaiser

O. M. Ball

Patent Dates:
Applied:	May 06, 1897
Granted:	Jan. 24, 1899

Patent Pictures:

Maschil D. Converse patent January 24, 1899

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Description:

Unique adjusting means using rollers in a looped channel. A lug on the main shank is the "fixed stop" and a toggle on the movable jaw provides an intermittent stop to hold the adjustment.

Converse's April 25, 1899 patent no. 623,946 has a similar movable jaw with a different quick adjustment means.