Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 172,241
Elisha T. Barlow - San Francisco, CA

USPTO Classifications:
81/129, 81/129.5, 81/155

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


Not known to have been produced

A. Sterling
C. W. Forbes
F. O. Wegener
Geo. A. Worz

Patent Dates:
Applied: Jan. 08, 1876
Granted: Jan. 11, 1876

Patent Pictures:
Elisha T. Barlow Pat. January 11, 1876
USPTO pdf tiff
Google Patents
Report data errors or omissions
The movable jaw is held in position by intermeshing rack teeth that are disengaged by the movement of the side handle. The adjusting mechanism is enclosed in a case. An eccentric cam-wheel at the base of the casing shifts the bearing end of the racks sufficiently to take up lost motion.

This is the 3rd of 3 patents granted to Barlow on this date.

Copyright © 2002-2020 - DATAMP