US Patent: 690,688 - Combination Wrench


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US Patent: 690,688

Combination Wrench

Patentee:

Clarence J. Barnes (exact or similar names) - Liverpool, NY

USPTO Classifications:

81/163, 81/177.8, 81/178

Tool Categories:

wrenches : nut wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Unknown

Witnesses:

J. J. Laass

H. B. Smith

Patent Dates:
Applied:	May 09, 1901
Granted:	Jan. 07, 1902

Patent Pictures: [ 1 | 2 ]

Clarence J. Barnes patent Jan. 7, 1902 - details omitted

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Description:

Adjustable angle, adjustable jaw wrench with reversible jaw face to convert from nut wrench to pipe wrench. The jaw opening is adjusted by a screw with left- and right-hand threads. A known example is marked only with the patent date, and does not include the pipe grip feature included in the patent.

E. Laas - patent attorney