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US Patent: 1,289,558
Wrench
Patentee:
Reginald F. Sedgley - Philadelphia, PA

USPTO Classifications:
81/124.5, 81/28, D8/29

Tool Categories:
wrenches : socket wrenches
wrenches : wrench components : wrench sockets

Assignees:
None

Manufacturer:
R. F. Sedgley, Inc. - Philadelphia, PA

Witnesses:
L. Danville
H. G. Dieterich
C. D. McVay
H. S. Fairbanks

Patent Dates:
Applied: Feb. 05, 1916
Granted: Dec. 31, 1918

Patent Pictures: [ 1 | 2 ]
Reginald F. Sedgley patent Dec. 31, 1918
USPTO pdf tiff
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Description:
The patent is for the hexagonal "key", the spring-loaded balls at each end to engage sockets, and the coordinated sockets.

Used in conjunction with Sedgley's patent no. 1,224,223 in the HEXALL socket sets.

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