US Patent: 484,634 - Ratchet Pipe And Nut Wrench


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US Patent: 484,634

Ratchet Pipe And Nut Wrench

Patentee:

Isaac Clinton Gray (exact or similar names) - Ilion, IN

USPTO Classifications:

81/357

Tool Categories:

wrenches : pipe wrenches

Assignees:

Isaac Clinton Gray - Ilion, IN

Josephus S. Tilton - Norwalk, OH

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jun. 24, 1892
Granted:	Oct. 18, 1892

Patent Pictures:

Isaac Clinton Gray patent October 18, 1892

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Description:

The movable lever handle has a ratchet pawl that advances the sliding movable jaw. Relaxing the grip on the lever handle may allow the overall grip of the wrench to relax.