Mower with integrated occupant presence and independent...

Details Mower with integrated occupant presence and independent... Mower with integrated occupant presence and independent...

2006-02-28

2006-02-28

Will, Thomas B. (Department: 3671)

Harvesters

Motorized harvester

With selective control of drive means

Reexamination Certificate

active

07003935

ABSTRACT:
Disclosed is a lawn mower device having a drive configured to rotate a shaft in a first and second direction. A drive wheel is coupled to the shaft and is coupled to a driven wheel by a drive belt. A tensioning system is shown coupled to the drive belt. The tensioning system has a first idler plate configured to bias a first idler pulley against the drive belt when the drive is rotating the shaft in the first direction and a second idler plate configured to bias a second idler plate against the drive belt when the drive is rotating the shaft in a second direction. A brake mechanism is further coupled to the tensioning system. The brake mechanism is configured to resist the rotation of the driven wheel.

REFERENCES:
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patent: 3616869 (1971-11-01), Rilling
patent: 4558558 (1985-12-01), Horner, Jr. et al.
patent: 4743220 (1988-05-01), Berrios
patent: 4934989 (1990-06-01), Furukawa et al.
patent: 5042239 (1991-08-01), Card
patent: 5146735 (1992-09-01), McDonner
patent: 5155985 (1992-10-01), Oshima et al.
patent: 5343678 (1994-09-01), Stuart
patent: 5517809 (1996-05-01), Rich
patent: 5526635 (1996-06-01), Wilder, Jr.
patent: 6543560 (2003-04-01), Trefz et al.

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