The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 1981
Filed:
May. 04, 1979
Applicant:
Inventors:
Assignee:
The Salem Tool Company, Salem, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
E21C / ; E21C / ;
U.S. Cl.
CPC ...
299 56 ; 299 80 ; 299 88 ; 175 85 ; 175 88 ;
Abstract
An auger machine, such as a mining machine, embodying features that reduce the cost of mining. The machine embodies jacks and skids which permit ready maneuverability of the machine adjacent the wall containing the seam to be mined, and has a cross conveyor for conducting away mined material from the auger string, which cross conveyor is located rearwardly of the front jacks and thus facilitates placing of auger sections in and removing auger sections from the string of augers used in mining by an efficient