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US Patent: 505,513
Wrench
Patentee:
Jerry Foley - Syracuse, NY

USPTO Classifications:
81/159, 81/166, 81/171

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
M. D. Lewis
C. Schoeneck
Clark H. Norton
E. A. Weisburg

Patent Dates:
Applied: Apr. 17, 1893
Granted: Sep. 26, 1893

Patent Pictures:
Jerry Foley patent September 26, 1893
USPTO pdf tiff
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Description:
Quick adjust -- interrupted threads on the adjusting screw have corresponding interrupted threads in the interior of the movable jaw. A secondary adjusting nut and shaft in the bolster provide additional adjustment to compensate for slack in the primary adjustment.

The corresponding Canadian patent is CA-45,291 issued Feb. 9, 1894.

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