Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 456,830
Machine Wrench
Patentee:
Marshall Martin - Walla Walla, WA

USPTO Classifications:
81/56

Tool Categories:
wrenches : tire bolt wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
Donn Twitchell
Richard A. Boyle
W. G. Van Valkenburgh

Patent Dates:
Applied: Dec. 31, 1890
Granted: Jul. 28, 1891

Patent Pictures:
Marshall Martin patent July 28, 1891
USPTO pdf tiff
Google Patents
Report data errors or omissions
Martin*s Combined Rim Wrench and Bolt Cutter (FLICKR)
Description:
Tire bolt wrench for carriage wheels. The gear wheel with the nut-driving socket is interchangeable to fit different sizes of nuts. The "throw" of the crank is adjustable, and the bolt holder and its frame are also adjustable.

A version of this wrench is incorporated in Martin's Combined Wheel-Wrench and Bolt Clipper (patent no. 469,580 - February 23, 1892).

Copyright © 2002-2017 - DATAMP