Conveyor systems and methods

Details Conveyor systems and methods Conveyor systems and methods

2007-07-31

2009-11-03

Hess, Douglas A (Department: 3651)

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

By loading or unloading section at selected one of a...

C198S890000

Reexamination Certificate

active

07611006

ABSTRACT:
Embodiments are directed to conveyor systems and methods which can accommodate negative gap between articles (e.g., cartons, packages, products, etc.) conveyed upon a sortation conveyor. Negative gap is attained by placing articles side-by-side upon a conveyor (as opposed to single file) so that the trailing edge of a leading article can lag behind the leading edge of a trailing article in the movement direction. In one embodiment, a conveyor system comprises a main conveying line providing a conveying surface configured to carry articles, a plurality of pusher elements associated with the main conveying line, a controller configured to assign pusher elements to articles being conveyed and to determine whether two articles received can be placed next to one or more of the same pusher elements in an overlapping relationship, can be placed to receive contact from immediately adjacent pusher elements, or should be spaced by one or more pusher elements.

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