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US Patent: 294,413
Wrench
Patentee:
Judson A. Stanton - Sauk Rapids, MN

USPTO Classifications:
81/185, 81/73

Tool Categories:
wrenches : brace wrenches
wrenches : wrench components : wrench sockets

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. W. Dashiell
E. G. SIggers
F. L. Ourand

Patent Dates:
Applied: Jan. 09, 1884
Granted: Mar. 04, 1884

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Sleeves within the socket head provide size adjustment. They are advanced and retracted by interacting pins and grooves, driven by a central hollow spindle. The top of the socket head is round; the bottom is square.

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