Calibrator for granular broadcast spreaders (impeller; walk-behi

Details Calibrator for granular broadcast spreaders (impeller; walk-behi Calibrator for granular broadcast spreaders (impeller; walk-behi

1991-09-16

1993-10-19

Noland, Tom

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

73 3, 177 50, G01F 2500

Patent

active

052535347

ABSTRACT:
A calibrating device for use with centrifugal, pendulum or other types of broadcast spreaders which distribute dry granular materials to be soil for agricultural purposes is described. The device provides containment of granular materials while the spreader operates without hindrance over a predetermined distance. The invention permits the rapid and efficient calibration of broadcast spreaders and thus ensures that optimal application rates of agricultural materials will be delivered with attendant cost savings and other operational advantages.

REFERENCES:
patent: 3451252 (1969-06-01), Horton et al.
patent: 4106704 (1978-08-01), McRoskey et al.
patent: 4234105 (1980-11-01), Viramontes
patent: 4409845 (1983-10-01), Stafflebam et al.
patent: 4422562 (1983-12-01), Rawson
patent: 4465211 (1984-08-01), van der Lely et al.
patent: 4491023 (1985-01-01), Graef
patent: 4570491 (1986-02-01), Machnee
patent: 4667503 (1987-05-01), Loos
patent: 4693122 (1987-09-01), Griffith
patent: 4716768 (1988-01-01), David et al.

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