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:
Sep. 05, 2006
Filed:
Sep. 09, 2004
Applicant:
Larry Classen, Norfolk, NE (US);
Inventor:
Larry Classen, Norfolk, NE (US);
Assignee:
Schiller-Pfeiffer, Inc., Southampton, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B 33/00 (2006.01); A01B 45/00 (2006.01); A01B 45/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turf aerator is provided with three aligned aerator shafts having aerator devices mounted thereon. The innermost shaft is mounted in a frame for free-willing operation and the two outer shafts are each connected to a motor through selectively controlled hydraulic pumps which in turn are connected to hydraulic motors for driving the outermost shafts selectively or simultaneously with the innermost shaft being mounted for free-willing operation.