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US Patent: 180,348
Wrench
Patentee:
Benjamin F. Joslyn (exact or similar names) - Worcester, MA

USPTO Classifications:
81/134, 81/156

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

Assignees:
Richard P. Bruff - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
Harry Howson, Jr.
Harry Smith
Patent Dates:
Applied: Feb. 28, 1876
Granted: Jul. 25, 1876

Patent Pictures:
Benjamin F. Joslyn Pat. July 25, 1876
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Description:
A swinging segment on the lower section of the movable jaw can be set to engage or disengage from the adjusting screw.

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