US Patent: 530,547 - Chain Pipe Wrench


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US Patent: 530,547

Chain Pipe Wrench

Patentee:

John H. Newell (exact or similar names) - Hurley, WI

USPTO Classifications:

74/164, 81/65, 81/68

Tool Categories:

wrenches : pipe wrenches : chain and strap wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Feb. 20, 1894
Granted:	Dec. 11, 1894

Patent Pictures:

John H. Newell patent December 11, 1894

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Description:

The patented features are the "take-up" for tightening the chain or band, including the position of the tightening screw in the mid-line of the handle.