Two trough, electromagnetically vibratory feeder

Details Two trough, electromagnetically vibratory feeder Two trough, electromagnetically vibratory feeder

1988-11-14

1990-12-25

Valenza, Joseph E.

Conveyors: power-driven

Conveyor system having a gravity conveyor section

Gravity conveyor section is gravity flow path feeding to...

198609, 198758, 198769, B65G 4718

Patent

active

049796089

ABSTRACT:
A three mass, two trough feeder transfers articles on first and second troughs by vibrating the troughs. First and second leaf springs support the troughs on a base with the troughs in line with each other and with one trough overlapping the other. The ratio of the spring constant of the first leaf springs to the first trough mass equals the ratio of the spring constant of the second leaf spring to the second trough mass. An electromagnetic driver between one of the troughs and the base is excited with a signal having a frequency with an angular velocity equal to the square root of the ratio. A plurality of feeders may be positioned radially outwardly about the periphery of a conical head for distributing articles.

REFERENCES:
patent: 2333338 (1943-11-01), Rapp
patent: 2819788 (1958-11-01), Howard
patent: 3476234 (1969-11-01), Allen et al.
patent: 3786912 (1974-01-01), Taylor
patent: 4378064 (1983-03-01), Brown

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