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GB Patent: GB-190,413,621
Improvements in Ratchet Pipe-Wrenches
Patentee:
Joseph Levy (exact or similar names) - Verdigre, NE

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 16, 1904
Granted: Jul. 21, 1904

Patent Pictures:
Joseph Levy patent registered June 16, 1904 - edited from "Abridgments of Specifications"
Espacenet patent
Report data errors or omissions to steward Stan Schulz
GB-190413621 in ESPACENET
Description:
Abstract: "The jaw 7 of a pipe or rod ratchetwrench i a eccentrically pivoted at 4 between the circular jaws 3 of the handle part 1, is normally held open by a spring 10 in a recess in it, and has oppositely-directed teeth on the two sides of its V-groove 12. The recess is covered by one of the jaws 3."

Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" interposed to make the number total nine digits). This patent is #13,621 of the year 1904.

Corresponding U.S. patent 728,945 was granted May 26, 1903.

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