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US Patent: 418,337
Wrench
Railway Fish-Plate Bolt Wrench
Patentee:
Henry F. Kors (exact or similar names) - Virginia, IL

USPTO Classifications:
81/57.39

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. E. Gaylord
J. W. Dyrenfort
Thos. F. Finney
John Dineen

Patent Dates:
Applied: Sep. 09, 1889
Granted: Dec. 31, 1889

Patent Pictures:
Henry F. Kors patent December 31, 1889
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Description:
A ratchet-action wrench with a support plate to hold it in operating position. A socket serves to hold the nut against counter-rotation; a spring-loaded hooked dog works directly on the nut. The mechanism seems complicated for such rugged working conditions.

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