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:
Feb. 06, 1990
Filed:
Oct. 14, 1988
Applicant:
Inventors:
Kenneth H Klas, Port Washington, WI (US);
Richard R Brown, Fredonia, WI (US);
Assignee:
Simplicity Manufacturing, Inc., Port Washington, WI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E01H / ;
U.S. Cl.
CPC ...
37244 ; 474 12 ; 474 17 ;
Abstract
A snow removal apparatus operable in a substantially optimum efficiency state using a variable ratio pulley. The snow removal apparatus includes a feature for sensing power demand made on the snowthrower under variable snow conditions. Responsive to the power demand, the fan speed and/or auger speed is reduced or increased in order to use the full engine power without stalling the engine.