Harvesters – Gang
Patent
1991-02-12
1992-05-05
Bagnell, David J.
Harvesters
Gang
56 136, 56DIG10, A01D 7530
Patent
active
051096552
ABSTRACT:
A gang mower assembly comprising a rigid frame elongated in the direction of forward movement of the assembly, the frame including a forward end portion, a central portion, and a trailing end portion. A central rotary mower deck is disposed adjacent the central portion and a universal joint for connecting the central deck to the central portion for at least limited universal movement relative to the frame about axes generally parallel to the frame and generally perpendicular to the frame is provided. The assembly further comprises at least one outboard rotary mower deck and at least one inboard rotary mower deck, and ground-engaging wheels for individually supporting each deck for independent movement relative to the frame. Each of the decks comprises a rotary blade assembly defining a centrally located, upwardly extending rotary axis and pulleys mounted on the axis to provide an input drive for the blade assembly. Means for positioning each deck relative to its adjacent deck is provided, each positioning means comprising a rigid link having first and second opposite link ends, means for attaching the first link end to one of the decks and means for movably attaching the second link end to an adjacent deck for at least limited swivel movement. A belt drive system for providing a driving connection from a driver to the deck pulleys is provided to drive the rotary blade assembly of each mower deck.
REFERENCES:
patent: 2753674 (1956-07-01), Cunningham, Jr. et al.
patent: 3070938 (1963-01-01), Winget
patent: 3135079 (1965-06-01), Dunn
patent: 4601162 (1986-07-01), Wessel
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