Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1996-07-19
1997-11-11
Bartuska, F. J.
Conveyors: power-driven
Conveyor section
Endless conveyor
414390, 414398, B65G 2114, B65G 6708
Patent
active
056854161
ABSTRACT:
An extendible conveyor for conveying material to be loaded or unloaded from a trailer includes a telescoping boom supporting an endless conveyor belt for rotation about the telescoping boom at any extension length. A belt take-up is provided external to the telescoping boom for releasing or taking-up excess belt corresponding to the movement of the telescoping boom. A belt tension control arrangement which includes a control circuit and an extension sensor is provided to coordinate the release or take-up of excess conveyor belt corresponding to the telescoping boom movement while maintaining the conveyor belt at a desired belt tension. The extendible conveyor is pivotally supported for accommodating varying trailer bed heights and material loading conditions.
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Bartuska F. J.
United Parcel Service of America Inc.
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