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:
Aug. 12, 1980
Filed:
Feb. 13, 1978
Applicant:
Inventors:
Earle W Stephenson, Latrobe, PA (US);
Clyde G Hutzell, Schellsburg, PA (US);
Assignee:
Kennametal Inc., Latrobe, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ;
U.S. Cl.
CPC ...
172540 ; 172120 ; 37 94 ; 299 91 ; 175410 ;
Abstract
A rotary tool is disclosed which is adapted to be mounted on a machine having power drive means and movable over a field surface to produce furrows therein. The rotary tool comprises bit elements mounted in abutting relation from a peripheral surface of a disc and having compacts of hard wear resistant material which form the leading edge of the bit elements that are to engage the earth.