Motion detector and control system for an accumulating live conv

Details Motion detector and control system for an accumulating live conv Motion detector and control system for an accumulating live conv

1981-11-16

1984-07-24

Nase, Jeffrey V.

Conveyors: power-driven

Conveyor section

Live roll

B65G 1307

Patent

active

044613822

ABSTRACT:
An accumulating live conveyor comprises a plurality of load-carrying rollers supported for rotation about transverse axes, a power-driven belt for engaging the load-carrying rollers to convey loads from the upstream end toward the downstream end of the conveyor, conveyor assembly sections operable for disengaging the power-driven belt from the load-carrying rollers to accumulate loads on the load-carrying rollers in selected upstream and downstream areas of the conveyor, and a control system providing area control and load motion control of the conveyor. The control system comprises an apparatus for detecting the position of the leading load conveyed into a downstream area of the conveyor and for disengaging the power-driven belt in the downstream area, a circuit responsive to the detecting apparatus for producing a load position-related signal, an apparatus for sensing motion of at least the leading load in relation to its detected position and for producing a load motion-related signal, and a circuit responsive to the load position-related signal for processing the load motion-related signal and for producing a control signal which is used to disengage the power-driven belt in the upstream area of the conveyor.

REFERENCES:
patent: 3130394 (1964-04-01), Hinz
patent: 3537568 (1970-11-01), Leach
patent: 4174777 (1979-11-01), Riehle
patent: 4361224 (1982-11-01), Bowman

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