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US Patent: 576,602
Wrench
Patentee:
Joel A. McCawley (exact or similar names) - Canton, KY

USPTO Classifications:
81/177.7, 81/356, 81/359, 81/413

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

Assignees:
G. W. Cobb - Canton, KY
Joel A. McCawley - Canton, KY

Manufacturer:
Not known to have been produced

Witnesses:
H. F. Riley
R. H. Mize
T. H. Fuqua
T. L. Mockabie
Patent Dates:
Applied: Sep. 28, 1896
Granted: Feb. 02, 1897

Patent Pictures:
Joel A. McCawley patent February 2, 1897
USPTO (New site tip)
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Description:
The operating lever works a link that engages rack teeth on the movable jaw with rack teeth on the main shank, and tightens the grip.

In the corresponding Canadian patent no. CA-56,991issued August 11, 1897, Cobb's first name is "George."

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