Pump for auger treater

Details Pump for auger treater Pump for auger treater

1977-08-11

1979-09-18

Freeh, William L.

Expansible chamber devices

Displacement control of plural cylinders arranged in...

Flexible wall-type working member

92 134, 366161, 118303, F15B 1524, B05C 700, B01F 1502

Patent

active

041678966

ABSTRACT:
A positive displacement pump for metering liquid chemicals and applying such chemicals into grains such as seed being conveyed through a screw conveyor, the pump including a reciprocating rod operated by an eccentric cam on the screw conveyor shaft, the pump rod having a shoulder and a stop carried by the housing to limit the length of movement of the rod, the stop being a rotary cam having flat surfaces, of varied distances from the cam axis and controlled by a hand operated knob.

REFERENCES:
patent: 3130909 (1964-04-01), Sanborn et al.
patent: 3288071 (1966-11-01), Anderson
patent: 3552219 (1971-01-01), Berg
patent: 3768333 (1973-10-01), Bidereis
patent: 3801232 (1974-04-01), Kilayko
patent: 4023525 (1977-05-01), Weber

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