Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1977-12-20
1979-07-17
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250223R, G01D 2104
Patent
active
041616545
ABSTRACT:
An improvement to carousel-type component dispensers which eliminates the requirement of operator intervention in order to access the next component required in the assembly of a work piece. Each time the operator inserts his hand in the dispenser to remove a component, he interrupts a light beam which triggers the dispenser's indexing mechanism to position itself for the next position of rotation. When the operator removes the component, the light beam path is restored and a light activated detector signals the dispenser's rotation mechanism to rotate the dispenser to the position specified by the indexing mechanism.
The apparatus includes time delay circuitry which prevents the carousel from rotating while the operator's hand is in the carousel accessing a component.
REFERENCES:
patent: 4104518 (1978-08-01), Schachinger et al.
Drinkard, Jr. John H.
Szarewicz Thomas D.
Burroughs Corporation
Chung Edmund M.
Hostetter Darwin R.
Nelms David C.
Peterson Kevin R.
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