Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 61,929
improvement in Wrenches
Patentee:
Timothy Earle - Valley Falls, Smithfield, RI

USPTO Classifications:
81/135

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : nut wrenches
wrenches : wrench adjustment types : wedge adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. B. Vincent
J. D. Thurston

Patent Dates:
Granted: Feb. 12, 1867

Patent Pictures:
Timothy Earle Pat. Feb. 12, 1867
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The movable jaw has fine teeth or a roughend surface on its inside surface. A spring steel insert in the shank has a corresponding toothed end or roughened segment. A thumb screw tapped through the shank can be tightened to force the teeth or rough surfaces together to hold the adjustment.

Copyright © 2002-2017 - DATAMP