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, 1989
Filed:
Mar. 14, 1988
Applicant:
Inventors:
Thomas R Wait, Boynton Beach, FL (US);
Joseph J DeMino, Boynton Beach, FL (US);
Bren R Smith, Rochester, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56255 ; 56295 ; 172 41 ;
Abstract
A blade assembly for cutting herbaceous terrestrial vegetation at a cutting speed of from about 1,000 to about 10,000 revolutions per minute, wherein said blade assembly is comprised of a U-shaped blade which has a Rockwell C hardness of from about 37 to 40, a flare resistance of less than about 15 degrees, and a bending resistance of less than about 5 degrees, and wherein said U-shaped blade is an integral, symmetrical member comprised a vertically-extending left cutting edge, a vertically extending right cutting edge, and a rotating support member connected to said left and right cutting edges, wherein: