US Patent: 496,190


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US Patent: 496,190

Wrench

Patentee:

Harry Cooper (exact or similar names) - Toronto, OH

USPTO Classifications:

269/211, 81/145

Tool Categories:

wrenches : nut wrenches

wrenches : wrench adjustment types : quick adjust wrenches

Assignees:

Harry Cooper - Toronto, OH

Thomas M. Boal - Steubenville, OH

Joseph Robertson - Steubenville, OH

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Oct. 10, 1892
Granted:	Apr. 25, 1893

Patent Pictures:

Harry Cooper patent April 25, 1893

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Description:

Quick adjust nut wrench with a spring-loaded ratchet pawl in the base of the movable jaw.

A similar adjustment means appears in the MANHATTAN quick-adjust pocket wrench. There is no documentation that provides evidence for a connection so the resemblance may be coincidence.