Apparatus and method for detecting chain stretch in a sorting an

Details Apparatus and method for detecting chain stretch in a sorting an Apparatus and method for detecting chain stretch in a sorting an

1994-09-26

1996-01-09

Dayoan, D. Glenn

Conveyors: power-driven

Conveyor arrangement for selecting among plural sources or...

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

1985021, 19881004, 209564, B65G 4746

Patent

active

054821541

ABSTRACT:
The conveyor system is made of a plurality of spools connected by chains at each end of the spool. The space between an adjacent pair of spools defines a pocket. An ejector is carried by the chain within each pocket to eject fruit from the pocket. The ejectors are selectively activated by solenoids lying underneath the chain and mounted on a conveyor channel across which the chain and spools are pulled. During operation, chain stretch is measured between two sensors at each end of the conveyor system. When the stretch has exceeded a predetermined limit, a warning signal is generated and the conveyor system can be stopped to allow appropriate repositioning of the solenoid assemblies for activating the ejectors or the timing of the firing of the ejectors automatically readjusted by software control.

REFERENCES:
patent: 3063547 (1962-11-01), King
patent: 5002177 (1991-03-01), Winning
patent: 5337885 (1994-08-01), Mills et al.

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