Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 553,362
Pipe Wrench
Patentee:
Jay K. Sheffy - Chicago, IL

USPTO Classifications:
81/90.2

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Sheffy Mfg. Co. - Chicago, IL

Witnesses:
Louis K. Gillson
Milo B. Gillson
Jno. A. Christianson
W. C. Corlics

Patent Dates:
Applied: Aug. 17, 1895
Granted: Jan. 21, 1896

Patent Pictures: [ 1 | 2 ]
Jay K. Sheffy Pat. Jan. 21, 1896
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The cam action of the handle pushes the "pivoting" jaw toward the hook jaw. The specifications note the wrench would work on pipe or nuts. Corresponding British patent GB-189601485 registered Jan 21, 1896 claimed an Aug. 17, 1885 effective date.

Copyright © 2002-2017 - DATAMP