Gentle handling of fruit during weight sizing and other operatio

Details Gentle handling of fruit during weight sizing and other operatio Gentle handling of fruit during weight sizing and other operatio

1989-07-03

1992-02-11

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor system having a gravity conveyor section

With means to affect flow

198635, B65G 4719

Patent

active

050869094

ABSTRACT:
Bruisable articles, such as pieces of fruit like apples, are singulated, sorted according to property (e.g., weight), and discharged with a minimum of bruising, even if the fruit is not treated with ALAR (diminozide). The cups for holding the fruit are continuously conveyed by conveying chains, and have larger, more steeply angled front and rear surfaces (in the direction of conveyance) than side surfaces so that the fruit will be held in place during conveyance but can be relatively easily discharged when the cup is tilted at a discharge station. Self-singulating is accomplished utilizing conveyors on either side of the row of cups, an overhead rotating brush, and elongated brush strips. The brushes of the brush strips gently engage the fruit and urge it into position within a cup. At the discharge section, a brush having polyethylene bristles of about 4-6 inches in length is rotated with a tangential velocity approximately equal to the velocity in the direction of conveyance of the fruit by the cups at the discharge area. The fruit falls into the brush bristles and is cushioned as it enters them, and it is discharged at a different level on another conveyor moving in a different direction.

REFERENCES:
patent: 3272309 (1966-09-01), Reading
patent: 4036355 (1977-07-01), Valli
patent: 4172516 (1979-10-01), Curl et al.
patent: 4262807 (1981-04-01), Leverett
patent: 4595091 (1986-06-01), Scopatz et al.
patent: 4836355 (1989-06-01), Blanc

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