US Patent: 548,962


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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:

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.