Dispensing – Automatic control – Delivery from source controlled by quantity in discharging...
Patent
1974-03-28
1976-03-30
Knowles, Allen N.
Dispensing
Automatic control
Delivery from source controlled by quantity in discharging...
200 6121, B67D 508, H01H 3500
Patent
active
039469018
ABSTRACT:
A feeler is moved in a defined space at a predetermined level in alternately opposite directions. If the level of particulate material in the space reaches or exceeds the predetermined level, the movement of the feeler encounters resistance which is sensed, and in dependence of which the level of the particulate material in the space is controlled.
REFERENCES:
patent: 2111663 (1938-03-01), Graemiger
patent: 2680298 (1954-06-01), Obenshain
patent: 3114479 (1963-12-01), Keeney
patent: 3210495 (1965-10-01), Lau
Gebruder Buhler AG
Knowles Allen N.
Lane Hadd
Striker Michael J.
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