Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1977-10-18
1979-03-13
Valenza, Joseph E.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
56 98, 74230, 74243C, 198842, B65G 4500, F16H 5530, A10D 4502
Patent
active
041437578
ABSTRACT:
A sprocket assembly adapted for rotational cooperation with a flexible, toothed driving belt and used in a crop handling device such as a forage harvester or the like is constructed of a pair of parallel sidewall members or disks which are interconnected by a central hub rotatable about a center axis. The outer surface of the hub is contoured so as to include a middle section of reduced diameter together with additional sections of generally conical configuration extending away from the middle section toward the sidewalls. Sets of drive lugs are provided on the inner surfaces of each of the sidewalls and arranged in a circular pattern so as to cooperate with the teeth of the drive belt. A stationary wiper arm is mounted adjacent to the rotatable hub and includes a portion extending into the space between the sidewalls and between the two sets of drive lugs such that an end portion of the wiper arm is positioned in close proximity to the middle section of the hub. Foreign material carried into the sprocket assembly by the drive belt winds about the hub surface and is channelled by the conical sections thereof toward the middle section whereupon the wiper arm disintegrates the material and ejects it from the assembly.
REFERENCES:
patent: 1937304 (1933-11-01), Worrall
patent: 2443947 (1948-06-01), Brooks et al.
patent: 3068711 (1962-12-01), Even
patent: 3144280 (1964-08-01), Sorenson
patent: 3765258 (1973-10-01), Jespersen
patent: 3940913 (1976-03-01), Wallenfang
patent: 3961466 (1976-06-01), Martin et al.
patent: 4072062 (1978-02-01), Morling et al.
patent: 4086748 (1978-05-01), Witt
Koehring Company
Valenza Joseph E.
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