Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
GB Patent: GB-187,602,550
Spanners and Wrenches
Patentees:
Edward H. Knight (exact or similar names) - Philadelphia, PA
William Robert Lake (exact or similar names) - London, England

USPTO Classifications:

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Granted: Jun. 20, 1876

Patent Pictures:
E. H. Knight patent June 20, 1876 - edited from Abridgments of Specifications
Espacenet patent
Report data errors or omissions to steward Stan Schulz
Description:
When the auxiliary lever handle is released, the "fixed" jaw is free to move against the pressure of a compression spring in the handle. This construction would allow for "ratchet" action. "William Robert Lake .. Southampton-buildings, London" was a British patent agent.

See the DATAMP entry for U.S. patent 178,162 for drawings.

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 #2,550 of the year 1876.

Copyright © 2002-2024 - DATAMP