Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 172,551
Wrench
Improvement in Coach-Wrenches
Patentee:
James R. Brown - Cambridgeport, MA

USPTO Classifications:
81/124.5, 81/389, 81/DIG4

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
Eliza A. Cloudman - Lynn, MA

Manufacturer:
Not known to have been produced

Witnesses:
S. W. Piper
L. N. Moeller
J. R. Snow
R. H. Eddy

Patent Dates:
Applied: Dec. 01, 1875
Granted: Jan. 25, 1876

Patent Pictures:
James R. Brown Pat. January 25, 1876
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The jaw faces are serrated to grip pipe; depending on the handle angle, the angle of the movable jaw can be adjusted relative to its handle, and a screw at the end of the handle can adjust the jaw's position "up and down."

Copyright © 2002-2019 - DATAMP