US Patent: 310,960


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US Patent: 310,960

Wrench

Patentee:

John L. Phillips (exact or similar names) - Sullivan, IN

USPTO Classifications:

279/39, 81/113

Tool Categories:

wrenches : wrench adjustment types : wedge adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Apr. 28, 1884
Granted:	Jan. 20, 1885

Patent Pictures:

John L. Phillips patent January 20, 1885

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Description:

The knob at the end of the handle turns a threaded rod which advances or contracts the sliding jaws. The width between the jaws is determined by the combined taper of the enclosing barrel and the wedge portion at the end of the jaws.