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US Patent: 13,221
Slide-Wrench
Patentee:
Benjamin F. Joslyn - Worcester, MA

USPTO Classifications:
81/167

Tool Categories:
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Southgate & Fiske - Worcester, MA

Witnesses:
John P. Marshall
Jas. G. Arnold

Patent Dates:
Granted: Jul. 10, 1855

Patent Pictures: [ 1 | 2 ]
Benjamin F. Joslyn patent July 10, 1855 - components and final appearance
USPTO pdf tiff
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Description:
Adjustment of the moving jaw is effected by an internally threaded sleeve. See also patent no. 16,733 which reflects the way wrenches marked with this patent date were actually produced.

Pictured as #399 in "Antique & Unusual Wrenches" by Schulzes.

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