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:
Oct. 18, 1994
Filed:
Apr. 16, 1993
Applicant:
Inventor:
Charles H Pollard, E. Tallassee, AL (US);
Assignee:
Brown Manufacturing Corporation, Ozark, AL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F / ;
U.S. Cl.
CPC ...
37 94 ; 172 15 ; 172548 ; 37 91 ; 37328 ;
Abstract
A device for digging a trench having a vertical face and a sloping face. The device includes a rotor configured to rotate about an axis of rotation and means for moving the device in a direction of travel substantially perpendicular to the axis of rotation. The rotor includes a longitudinal rotor member and angled end portions coupled to the longitudinal rotor member. The rotor may also include a plurality of teeth-like elements coupled to the angled end portions.