Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 7,362
Revolving-Jaw Wrench
Nathaniel Colver - Boston, MA

USPTO Classifications:

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench adjustment locks

Colver and Dambrell - Boston, MA

Not known to have been produced

Samuel Nicolson
R. H. Eddy

Patent Dates:
Granted: May 14, 1850

Patent Pictures:
Nathaniel Colver patent May 14, 1850
USPTO pdf tiff
Google Patents
Report data errors or omissions
The adjustable jaw has faces parallel to the end jaws, and with the faces differing in distance from the end jaws by 1/2 the thread pitch. In operation the adjustable jaw is turned, and the adjustment held by an internal spring loaded key which fits in a slot cut in the side of the threaded shank, and engages a notch in the female threads of the adjustable jaw.

Copyright © 2002-2018 - DATAMP