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. 01, 2015
Filed:
Sep. 11, 2007
Applicants:
Alex J. Stevenson, Papamoa, NZ;
Boele DE Vries, South Waikato, NZ;
Inventors:
Alex J. Stevenson, Papamoa, NZ;
Boele De Vries, South Waikato, NZ;
Assignee:
DEERE & COMPANY, Moline, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01G 23/08 (2006.01); A01G 23/091 (2006.01);
U.S. Cl.
CPC ...
A01G 23/091 (2013.01);
Abstract
A tree harvester head includes first and second saws, each of which comprises a cutting chain, and a lubrication system configured to lubricate the cutting chains of the first and second saws. The lubrication system comprises a source of pressurized lubricant and a diverter valve configured to divert flow of pressurized lubricant, from the source of pressurized lubricant, between the first and second saws for lubrication of the respective cutting chains.