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. 27, 1991
Filed:
Jan. 17, 1990
Applicant:
Inventors:
Donald M White, III, Chanhassen, MN (US);
Henry B Tillotson, Minneapolis, MN (US);
Richard A Thorud, Bloomington, MN (US);
Assignee:
The Toro Company, Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01D / ;
U.S. Cl.
CPC ...
56 118 ; 180-624 ; 280211 ;
Abstract
An improved riding lawn mower comprises a frame having steerable front wheels and rear traction wheels. Each rear wheel is independently driven by a separate transmission. A steering wheel is used to turn the front wheels to control the direction of movement of the rider. Linkage assemblies connected to the steering assembly declutch the rear wheel on the inside of a sharp turn to give the mower near ZTR turning ability. However, the declutched rear wheel freewheels to avoid tearing the turf and the mower does not speed up during the turn.