Harvesters – Motorized harvester – With condition-responsive operation
Patent
1994-02-03
1996-03-12
Melius, Terry Lee
Harvesters
Motorized harvester
With condition-responsive operation
56 7, 56 119, A01D 3460
Patent
active
054976049
ABSTRACT:
The present invention provides for an automated supervisor switch device for maintaining an acceptable ground speed during cutting operations for a turf mower. The present invention does not interfere with the ground speed of the vehicle during cutting or non-cutting operations. In a preferred embodiment, an onboard controller and its attendant memory are provided with a predetermined maximum mowing speed. Second, the controller monitors the ground speed of the mower. Third, when the controller determines that the cutting reels are operative and the ground speed is approaching the maximum mowing speed of the mower, then operator perceptible warning is actuated to alert the operator. Fourth, if the speed exceeds the predetermined maximum mowing speed, then the controller disables the reels from mowing. In the preferred embodiment, the controller disables the reels by shutting off the hydraulic fluid flow from the hydraulic motors which rotate the cutting reels. Fifth, the operator is forced to take certain corrective action to re-enable the cutting reels. In the preferred embodiment, the operator is forced to move the cutting reel engagement lever to its on position.
REFERENCES:
patent: 3548570 (1970-12-01), Knott et al.
patent: 3591776 (1971-07-01), Sylvester
patent: 4332127 (1982-06-01), Staiert et al.
patent: 4887415 (1989-12-01), Martin
patent: 4964265 (1990-10-01), Young
Melius Terry Lee
The Toro Company
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