Agricultural dispensing mechanism

Details Agricultural dispensing mechanism Agricultural dispensing mechanism

1979-05-16

1981-04-07

Bratlie, Steven A.

Planting

Drilling

Frame and planting-element arrangement

111 69, 221266, 222368, 222406, 222414, A01C 720

Patent

active

042599121

ABSTRACT:
A mechanism for dispensing seed or fertilizer, etc., for agricultural row crop implements such as seed drills and precision planters, comprises a resilient rotatable roller which cooperates with a flat vertical glass dispensing plate to dispense seed or fertilizer from a hopper through a nip between the plate and the roller. The roller is of unfoamed polyurethane formed with a honeycomb of axially extending recesses defining a relatively thin outer deflection band of the roller. The recesses give the roller the uniform and high degree of flexibility needed to accommodate a wide range of seed sizes while retaining the durability, consistency of physical characteristics and suitability for precision moulding, of unfoamed polyurethane.

REFERENCES:
patent: 1955368 (1934-04-01), Hoberg et al.
patent: 2254065 (1941-08-01), Ewerth
patent: 2605020 (1952-07-01), Sarlls
patent: 3072301 (1963-01-01), Burke
patent: 3633331 (1972-01-01), Reichlin
patent: 4002266 (1977-01-01), Beebe

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