US Patent: 466,232 - Flange Wrench


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US Patent: 466,232

Flange Wrench

Patentees:

Edward Harper (exact or similar names) - Leadville, CO

Paul G. Metzler (exact or similar names) - Leadville, CO

USPTO Classifications:

74/146, 81/176.2, 81/58.4

Tool Categories:

wrenches : flange wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Oct. 08, 1891
Granted:	Dec. 29, 1891

Patent Pictures:

Edward Harper and Paul G. Metzler patent December 29, 1891

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Description:

Studs in the central disk fit bolt holes in the flange to be screwed. The lever handle with its lug slides on the central pivot, and the lug engages one of the peripheral notches on the central disk.