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US Patent: 548,962
Wrench
Patentee:
Clarkson B. Collins (exact or similar names) - Miller's Ferry, AL

USPTO Classifications:
81/145

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John A. Bergstrom
J. Fredr. Acker
Fred H. Savage
Albion L. Morgan

Patent Dates:
Applied: Apr. 06, 1895
Granted: Oct. 29, 1895

Patent Pictures:
Clarkson B. Collins patent October 29, 1895
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Description:
Quick adjust nut wrench with a rod having lifting wedges acting on three spring loaded pawls within the base of the movable jaw. The pawls are set so that one of the series engages a rack tooth on the main shank; thereby multiplying the number of potential adjustment points.

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