G - Physics – 05 – D
Patent
G - Physics
05
D
341/71, 270/94,
G05D 19/00 (2006.01) B06B 1/04 (2006.01)
Patent
CA 1154515
BRAKING METHOD AND APPARATUS FOR VIBRATORY FEEDER ABSTRACT A material dispensing apparatus including drive means for driving a feeder bowl is disclosed. A control circuit for controlling the drive includes a Hall effect amplitude sensing transducer for monitoring the magnitude of bowl vibrations and a braking circuit for controlling the damping of vibratory motion after the requisite amount of material has been fed from the feeder bowl. The braking circuit selectively reverses the current flow through a drive coil which comprises a portion of the drive circuitry of the apparatus. This current reversal disrupts the rhythm of forced oscillations which feed material from the bowl and causes bowl motion to be damped. A mechanical brake coupled to the bowl complements the braking action of braking circuit and locks the bowl in place to prevent accidental dispensing of parts.
411519
Automated Packaging Systems Inc.
Ridout & Maybee Llp
LandOfFree
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