US Patent: 241,552


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US Patent: 241,552

Wrench

Patentee:

John Lee (exact or similar names) - Mansfield, OH

USPTO Classifications:

81/149

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Mar. 29, 1881
Granted:	May 17, 1881

Patent Pictures:

John Lee patent May 17, 1881

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Description:

A small screw-threaded adjustment provides sufficient movement to the internal wedge in the movable jaw to lock or release the movable jaw's grip on the shank.