Implements for delivering particulate material to the ground

Details Implements for delivering particulate material to the ground Implements for delivering particulate material to the ground

1975-07-11

1977-06-21

Tollberg, Stanley H.

Dispensing

With discharge assistant

With discharge volume varying means

222504, 92 138, 239687, A01C 1700, E01C 1920, F01B 3100

Patent

active

040306410

ABSTRACT:
A spreader for fertilizer or similar material has a metering mechanism for said material to vary the rate of spreading. The metering mechanism has two metering members in face-to-face contact defining a metering opening. A hydraulic ram moves the metering members so as to open and close the opening. An adjustable stop within the ram allows the ram's stroke to be changed. This changes the extent to which the ram can open the opening so that the ram can be supplied with fluid under sufficient pressure to overcome possible corrosion between the metering members.

REFERENCES:
patent: 1207251 (1916-12-01), Wettengel
patent: 2723782 (1955-11-01), Dwyer
patent: 3586246 (1971-06-01), Van Der Lily et al.
patent: 3815480 (1974-06-01), Spyra
patent: 3905523 (1975-09-01), Ahlers et al.
patent: 3931934 (1976-01-01), Smith

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