US Patent: 302,760 - Pipe Wrench


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US Patent: 302,760

Pipe Wrench

Patentee:

Thomas Mokler (exact or similar names) - Ludington, MI

USPTO Classifications:

81/138, 81/141, 81/95

Tool Categories:

wrenches : pipe wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Apr. 03, 1884
Granted:	Jul. 29, 1884

Patent Pictures:

Thomas Mokler patent July 29, 1884

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Description:

The movable jaw adjusts by a cam lever and rack teeth. The gripping surface on the movable jaw is a roller. A pawl provides a ratchet action which only allows the roller to turn in one direction.