Harvesters – Motorized harvester – With selective control of drive means
Patent
1995-12-14
1997-12-02
Melius, Terry Lee
Harvesters
Motorized harvester
With selective control of drive means
56 116, 180 666, 180 193, A01D 3468
Patent
active
056923660
ABSTRACT:
A belt drive tensioning device for a walk-behind mower having a power source, a transmission and shiftable between forward, neutral and reverse modes, right and left drive pulley's driven by the transmission, right and left drive belts driven by the drive pulleys, right and left ground engaging wheels driven by the drive belts, right and left idler pulleys shiftable into engagement against the drive belts for selectively placing drive tension in the drive belts, right and left biasing means for applying a force to the idler pulleys to bias the idler pulleys into engagement with the drive belts and place drive tension in said drive belts, right and left rods operatively coupled with the idler pulleys for shifting the idler pulleys toward and away from engagement with the drive belts, right and left pivotable levers coupled with the rods, the levers being independently engagable by the operator for pulling the respective rod and shifting the respective idler pulley in a direction away from engagement with the drive belt for executing a turn about the respective ground engaging wheel, a reverse bale arm operatively coupled with the rods, the bale arm being shiftable rearwardly by the operator for placing the rods in compression to press the idler pulleys against the drive belts with greater force when the transmission is in the reverse mode.
REFERENCES:
patent: 3938400 (1976-02-01), Konyla
patent: 4558558 (1985-12-01), Horner, Jr. et al.
patent: 5146735 (1992-09-01), McDonner
Scag Power Equipment, brochure entitled "Scag Power Equipment Commercial Mowers, Simply the Best", 12 pages, dated 1993, published in the U.S.A.
The Toro Company, brochure entitled "Toro Proline, Commercial Lawn-Care Equipment That Means Business", 20 pages, dated 1993, published in the U.S.A.
F. D. Kees Manufacturing Company, brochure entitled "Snapper Kees Pro Division Commercial Lawn & Turf Equipment", 10 pages, date unknown, published in the U.S.A.
Deere & Company
Melius Terry Lee
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