US Patent: 588,069


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US Patent: 588,069

Wrench

Patentee:

Albert Katzki (exact or similar names) - Erie, PA

USPTO Classifications:

81/185.1, 81/99

Tool Categories:

wrenches : wrench adjustment types : self-adjust wrenches

wrenches : pipe wrenches

Assignees:

None

Manufacturer:

Reed Manufacturing Co. - Erie, PA

Witnesses:

Patent Dates:
Applied:	Nov. 11, 1896
Granted:	Aug. 10, 1897

Patent Pictures: [ 1 | 2 ]

Albert Katzki patent August 10, 1897

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Description:

The major feature of this self-adjusting hook jaw pipe wrench is the compression spring surrounding a guide rod. This spring pushes the hook jaw closed.