Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 429,034
Ratchet Nut Wrench
Patentee:
Elihu Pinck. Justice (exact or similar names) - Greenville, IL

USPTO Classifications:
81/124.4, 81/62

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. G. SIggers
M. E. Fowler
R. D. Mudd
John T. Goodson

Patent Dates:
Applied: Jul. 26, 1889
Granted: May 27, 1890

Patent Pictures:
Elihu P. Justice patent May 27, 1890
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
The double sockets can turn in opposite directions. They have ratchet teeth facing opposite, and corresponding pawls. The sockets have friction springs to hold them from rotating when the opposite socket is being turned. The purpose of this double-acting ratchet is to operate lock-nuts.

Copyright © 2002-2024 - DATAMP