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. 12, 2017
Filed:
Jan. 09, 2017
Applicant:
Hrm Enterprises, Inc., Westerly, RI (US);
Inventor:
Richard Zerbarini, Westerly, RI (US);
Assignee:
HRM Enterprises, Inc., Westerly, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D 34/52 (2006.01); A01D 34/53 (2006.01); A01D 34/44 (2006.01); A01D 34/47 (2006.01); A01D 34/49 (2006.01); A01D 34/62 (2006.01); A01D 101/00 (2006.01);
U.S. Cl.
CPC ...
A01D 34/52 (2013.01); A01D 34/44 (2013.01); A01D 34/475 (2013.01); A01D 34/49 (2013.01); A01D 34/62 (2013.01); A01D 2101/00 (2013.01);
Abstract
A lawnmower with a plurality of blade holding elements in a horizontally rotating blade assembly holds a plurality of multi-ductility blades with a maximum thickness of 0.075 inches in a blade channel and in a substantially tangential orientation. The multi-ductility blades include a hardened cutting edge of Rockwell hardness greater than 50 and ductile portion with Rockwell hardness less than 50.