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US Patent: 1,639,831
Wrench
Patentee:
John Zilliox - Orchard Park, NY

USPTO Classifications:
81/168, 81/169

Tool Categories:
wrenches : wrench components : wrench adjustment locks
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Park Metalware - Orchard Park, NY

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 01, 1926
Granted: Aug. 23, 1927

Patent Pictures: [ 1 | 2 ]
John Zilliox Pat. Aug. 23, 1927
USPTO pdf tiff
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Description:
In the patent, the collar tightens and loosens to hold or release the adjustment; the adjustment is accomplished by turning the handle.

Produced as the XCEL Adjustable Socket Wrench, with or without the adjustment locking feature; some are also marked Manf'd For Bennet Pump Corp.

Zilliox's other patents include 1,386,217, 1,491,942, 1,535,281.

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