US Patent: 585,443


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US Patent: 585,443

Wrench

Patentee:

Albert Ernest Jenks (exact or similar names) - Heath Town, England

USPTO Classifications:

81/128

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Peter A. Ross

Robert M. Lister

Stephen Watkins

Patent Dates:
Applied:	Mar. 30, 1897
Granted:	Jun. 29, 1897

Patent Pictures:

Albert Ernest Jenks patent June 29, 1897

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Description:

Adjustable wrench with sliding jaw sections. The adjustment is set by a volute shaped cam. A clamping nut to hold the cam from accidental movement is optional.

A similar shaped cam appears on the British-made BURSTON patent.