US Patent: 587,186


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US Patent: 587,186

Wrench

Patentee:

Charles Crumpler (exact or similar names) - Clinton, NC

USPTO Classifications:

81/134

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Feb. 05, 1897
Granted:	Jul. 27, 1897

Patent Pictures:

Charles Crumpler patent July 27, 1897

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Description:

The cam end on the lever handle tightens the jaw against the shank, and the interlocking teeth on the lever handle and main shank set the size adjustment.