Unscrambling conveyor

Details Unscrambling conveyor Unscrambling conveyor

1995-01-20

1996-03-26

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By queueing items from quantity source of items into stream...

198448, 198786, B65G 4712

Patent

active

055013155

ABSTRACT:
An unscrambling conveyor includes two side-by-side sets of rollers arranged in a herringbone pattern on either side of a central axis. The rollers of the two sets are positioned at different angles with respect to the axis and the drive speeds for the rollers are chosen to provide equal and opposite forces in the lateral direction and unequal but similarly directed forces in the axial direction. The sets of rollers are divided into zones having progressively increasing roller speeds in the downstream direction with the zones staggered with respect to one another on either side of the central axis. The lateral and axial forces drive articles on the conveyor toward and away from the center axis depending on the roller speeds in the staggered zones and in the downstream direction while imparting a twist to the articles. The successive zones of increasing speed stretch a randomly arranged mass of articles into a single file line. Two unscrambling conveyors may be positioned side-by-side to form a flow splitting-unscrambling conveyor.

REFERENCES:
patent: 3552541 (1971-01-01), Riggs
patent: 4039074 (1977-08-01), Naxted
patent: 4044897 (1977-08-01), Maxted
patent: 5240101 (1993-08-01), Lemay et al.

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