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:
Jun. 14, 2011
Filed:
Jan. 04, 2008
Applicant:
Duane R. DE Boef, Sherrard, IL (US);
Inventor:
Duane R. De Boef, Sherrard, IL (US);
Assignee:
Vermeer Manufacturing Company, Pella, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C 13/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Grinding members on a grinding drum are arranged to move the material to be reduced laterally across the drum. The drum may be used in a tub grinder where the tub is configured to rotate about a vertical axis. In a tub grinder environment, the drum extends through the grinding floor, is configured to rotate about a horizontal axis, and includes cutters arranged in a right-handed helical pattern on the drum.