Harvesters – Motorized harvester – With selective control of drive means
Patent
1993-02-22
1994-10-18
Bagnell, David J.
Harvesters
Motorized harvester
With selective control of drive means
56 118, 180 193, A01D 6900
Patent
active
053556623
ABSTRACT:
A lawn mower self-propel and zone brake control system includes a deck, a ground engaging wheel rotatably coupled to and supporting the deck, a handlebar assembly coupled to the deck, and a transmission coupled to the ground engaging wheel. A pivoting control bail is pivotally mounted on the handlebar assembly and pivots between first and second positions. A power transmitting device connects an engine and the transmission. A zone brake is operatively coupled to the engine and the pivoting control bail and operates in either a first or a second mode wherein the zone brake inhibits rotational movement of and power generation by the engine in the first mode and allows rotational movement of and power generation by the engine in the second mode. The zone brake operates in the first mode when the pivoting control bail is in the first position and operates in the second mode when the pivoting control bail is in the second position. A selector mechanism is pivotally coupled to the pivoting control bail and is coupled to the transmission by a first bowden cable and is movable between first and second positions. Movement of the selector mechanism to its second position and movement of the control bail to its second position causes the power transmitting device to transmit power from the engine to the transmission and ground engaging wheel. Movement of either the selector mechanism or the pivoting control bail out of its respective second position stops the transmission of power to the ground engaging wheel.
REFERENCES:
patent: 4327539 (1982-05-01), Bricko et al.
patent: 4704847 (1987-11-01), Greider et al.
patent: 4930369 (1990-06-01), Barnard et al.
patent: 5086890 (1992-02-01), Turczyn et al.
patent: 5088273 (1992-02-01), Braun et al.
patent: 5261214 (1993-11-01), Wallersheim
Toro Operator's Manual, Form No. 3312-248 Revision A, copyright 1983 to the Toro Company.
Toro Operator's Manual, Form No. 3314-941, copyright to The Toro Company in 1991.
Bagnell David J.
The Toro Company
Trevarthen Donald S.
LandOfFree
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