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US Patent: 468,241
Wrench
Patentee:
Pendleton G. Douglas (exact or similar names) - Gainesville, VA

USPTO Classifications:
81/116, 81/128, 81/62

Tool Categories:
wrenches : ratchet wrenches
wrenches : wrench components : wrench jaw components
wrenches : socket wrenches

Assignees:
Pendleton G. Douglas - Gainesville, VA
Powell M. Bradley - Gainesville, VA

Manufacturer:
Not known to have been produced

Witnesses:
F. R. Cornwall
F. J. Benjamin
W. A. Newman
G. S. Whedbee

Patent Dates:
Applied: Oct. 06, 1891
Granted: Feb. 02, 1892

Patent Pictures:
Pendleton G. Douglas patent February 2, 1892
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
Adjustable parallel jaws structure for the head of a ratchet socket wrench. An adjusting nut on the back of the head advances and retracts an internal bolt that moves the jaw faces.

The reversible ratchet mechanism is standard.

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