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:
Oct. 21, 2014
Filed:
Jan. 04, 2013
Briggs & Stratton Corporation, Wauwatosa, WI (US);
Michael Pitcel, Waukesha, WI (US);
William Latus, Menomonee Falls, WI (US);
Robert Koenen, Pewaukee, WI (US);
David Procknow, Elm Grove, WI (US);
Jeffrey Berger, Port Washington, WI (US);
Jason Elvers, Horicon, WI (US);
Briggs & Stratton Corporation, Wauwatosa, WI (US);
Abstract
A lawn mower includes an engine, an energy storage device, a motor/generator including an output shaft, an engine coupling, wherein, with the engine coupling disengaged, the motor/generator drives the output shaft, and with the engine coupling engaged, the engine or both the motor/generator and the engine drive the output shaft, a mower blade, a power take-off clutch, and a control unit configured to implement a first operating condition in which the engine coupling is disengaged, the engine is off, and the output shaft is driven by the motor/generator, and configured to implement a second operating condition in which the engine coupling is engaged, the engine is on, the output shaft is driven by the engine or both the motor/generator and the engine.