Device for spreading granular and/or powdery material

Fluid sprinkling – spraying – and diffusing – Container for non-fluid material – and scattering means – Including means varying scatter pattern of rotating scatterer

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Details

239670, 239683, 239687, A01C 1700

Patent

active

047765194

ABSTRACT:
Device for spreading granular and/or powdery material provided with a frame and a drivable spreader supported by the frame and during operation rotatable about an upwardly extending axis of rotation and a metering structure arranged above the spreader, the metering structure being provided with at least one discharge opening via which the material to be spread is supplied to the spreader during operation, and the metering structure can be put into continuously reciprocating movement during operation relative to the frame about an upwardly extending pivot axis.

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patent: 3401889 (1968-09-01), Parker
patent: 3618824 (1971-11-01), Seymour
patent: 3899138 (1975-08-01), Van Der Lely et al.
patent: 3964681 (1976-06-01), Herd
patent: 4183468 (1980-01-01), Van Der Lely et al.
patent: 4609153 (1986-09-01), Van Der Lely

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