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:
Aug. 22, 1995
Filed:
Jul. 22, 1994
Applicant:
Inventors:
Paul W Niemela, Pickens, SC (US);
Hiroshi Morikawa, Clemson, SC (US);
Stephen M Demarco, Greenville, SC (US);
Assignee:
Ryobi North America, Easley, SC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56 119 ; 56 175 ; 180 656 ;
Abstract
A self-propelled, battery-powered lawn mower is provided having an onboard battery and two electric motors, a blade motor for rotating a grass cutting blade and a drive motor for propelling the lawn mower along a grass surface to be cut. The blade motor is provided with a switch for regulating the operation of the blade motor and the drive motor is provided with a speed control enabling the speed of the drive motor to be controlled independently of the speed of the blade motor.