U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."

U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 173/42 - Plural adjustments


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which plural separate adjustments are provided
No. of patents: 44
Last issue date: 06/17/2008


  2  
NumberTitleIssue Date
4105079Device for launching percussion ground borers
A launching device for launching a percussion borer at the start of a ground boring operation comprises a carrier for holding the borer with mounting means which permits the borer to move forwards relative to the carrier in a boring movement but resists b...
08/08/1978
4059162Drilling unit for stadium seats
A drilling machine is disclosed for use in providing bolt holes in concrete stadium riser steps and the like. The drilling machine includes a relatively stationary base plate, and a foot plate slideable upon the base plate along a predetermined path. The ...
11/22/1977
4002210Friction wheel actuated post driver
The guide frame of a post driver is supported in an adjusted position by the three-point hitch of a tractor and its driver element is displaced upwardly by a friction drive assembly carried by the guide frame and driven by a power take-off from the tracto...
01/11/1977
3999616Method and apparatus for establishing the drilling line of an overhead boring machine
A bedplate is rigidly affixed relative to the tunnel floor and includes a centrally disposed shaft extending upwardly therefrom. A rotatable base member is mounted on the bedplate for rotation about the central shaft. A boring machine adapted to bore upwa...
12/28/1976
  2  
 
Sign InRegister
Username  
Password   
forgot password?