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US Patent: RE2,283
Pipe Wrench
Improvement in Pipe-Tongs
Allan Beach - Boston, MA
Henry H. Gilmore - Medford, MA

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Allan Beach - Boston, MA

Not known to have been produced

Gordon McKay
J. B. Crosby
J. E. Fallon

Patent Dates:
Granted: Jun. 12, 1866

Reissue Information:
Reissue of 19,842 (Apr. 06, 1858)

Patent Pictures:
Allan Beach, Assignee of Henry H. Gilmore, Pat. June 12. 1866
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The adjustment of this pipe-tongs is held by the wedge action of a tapered thrust washer bearing against the tapered thickness of the bearing surface surrounding the slot in which the pivot moves.

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