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US Patent: 58,306
Improved Adjustable Wrench
Improved Socket or Box Wrench
Patentee:
Alonzo Sedgwick (exact or similar names) - Poughkeepsie, NY

USPTO Classifications:
81/128, 81/165

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Walter C. Allen
William Van Anden

Patent Dates:
Granted: Sep. 25, 1866

Patent Pictures:
Alonzo Sedgwick Pat. Sept. 25, 1866
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Description:
An internally tapered sleeve moves externally tapered jaw segments toward each other as it is advanced on the threaded shank. The jaw segments are held in alignment by a "T" shaped piece fitted in a slot in the shank, and by a spring holding the jaw segments against the tapered sleeve. There is also a stop nut on the shank to hold the adjustment.

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