Method and apparatus for deviating objects transported along a c

Details Method and apparatus for deviating objects transported along a c Method and apparatus for deviating objects transported along a c

1974-01-14

1976-02-17

Spar, Robert J.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

B65G 4726

Patent

active

039386465

ABSTRACT:
The conveyor is formed of a plurality of endless belts arranged with their upper reaches parallel in horizontally spaced rows and include a pair of downwardly directed loops. The diverting or deviating apparatus comprises a second set of endless belts, at least one being movable in each loop in a direction transverse to the conveyor, the second set being mounted to be raised and lowered selectively to dispose their upper reaches above or below the plane of the conveyor. A suction generating device is arranged to apply suction to objects so as to cause them to be engaged by the transversely directed belts at selected times. Fingers are provided on the downstream side of the loop pair and are arranged selectively to intercept and stop the object traveling along the conveyor. When the object is stopped, the second set of belts is raised above the plane of the upper reach of the conveyor and suction applied. The transversely directed belts engage the object and direct it transversely of its original path. When the diverted object reaches a preselected location, it is stopped and held in place. The next object reaching the fingers is stopped and held in place. The transversely directed belts are lowered and the suction removed. The next object reaching the fingers triggers a switch which causes the fingers to be lowered out of their intercepting condition. Accordingly both objects now proceed side by side to a pair of side by side locations downstream of the fingers.

REFERENCES:
patent: 680214 (1901-08-01), Baker
patent: 2094879 (1937-10-01), Erb
patent: 3072095 (1963-01-01), Keessen et al.
patent: 3224549 (1965-12-01), Cella et al.
patent: 3473800 (1969-10-01), Nystrand

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