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:
Jul. 13, 1993
Filed:
Jun. 26, 1992
Applicant:
Inventor:
Charles H Pollard, East 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 ; 37189 ; 144334 ; 172 15 ; 172 17 ; 172123 ;
Abstract
A trencher for digging a trench having a vertical face and a sloping face. The trencher includes a frame and means for moving the trencher over the surface of the ground. A rotor is connected to drive means which rotate the rotor, thereby digging the trench. The rotor includes a longitudinal rotor member coupled to a transverse rotor member. The rotor may also include a plurality of teeth-like elements coupled to the transverse rotor member.