Article dispensing – With discharge assistant – Movable through hopper to separate and elevate articles
Patent
1980-01-21
1981-08-11
Knowles, Allen N.
Article dispensing
With discharge assistant
Movable through hopper to separate and elevate articles
221266, 221277, 111 77, A01C 704
Patent
active
042829852
ABSTRACT:
A circular seed plate for use with a tilted, cylindrically shaped hopper includes a plurality of cells formed in, and spaced around, the circumference of the plate. Each seed cell includes an end surface which extends radially inwardly from the outer diameter in a direction toward the center of the plate, a trailing shelf surface which extends forwardly in the direction of rotation of the plate from the radially innermost end of the end surface, and a leading shelf surface which extends forwardly from the trailing shelf surface also in the direction of rotation of the plate. Ideally each leading shelf surface is substantially longer than its corresponding trailing shelf surface. The edge defined by the intersection of each leading shelf surface and the upper face of the seed plate is beveled along substantially the entire length of the leading shelf surface. As the seed plate rotates over the base of the hopper, several seeds are captured by each passing seed cell and then are pushed along by the trailing end surface toward an outlet opening formed in the top of the inclined hopper base. As the seeds approach the top of the travel of the plate, all of the seeds except one roll out of the cell so that only a single seed at a time is deposited into the ground.
REFERENCES:
patent: 2054552 (1936-09-01), Wakeham
patent: 2440846 (1948-05-01), Cannon
patent: 2645385 (1953-07-01), Wechsler
patent: 2667286 (1954-01-01), Raught
patent: 2679950 (1954-06-01), Swanson
patent: 2855125 (1958-10-01), Grimsbo
patent: 2975936 (1961-03-01), Rousek
patent: 2980043 (1961-04-01), Beck
patent: 3219000 (1965-11-01), Leach et al.
John Deere Model 33, Vegetable Planter Operator's Manual pp. 2-9.
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