A MATERIAL CONVEYING APPARATUS AND METHOD

摘要

An extendible conveyor (10) for conveying material to be loaded or unloaded from a trailer includes a telescoping boom (12) supporting an endless convey or belt for rotation about the telescoping boom at any extention length. A belt take-up (16) is provided external to the telescoping boom for releasing or taking-up excess belt corresponding to the movement of the telescoping boom (12). A belt tension control arrangement which includes a control circuit an d an extension sensor is provided to coordinate the release or take-up of exce ss conveyor belt corresponding to the telescoping boom movement while maintaini ng the conveyor belt at a desired belt tension. The extendible conveyor (10) is pivotally supported for accommodating varying trailer bed heights and materi al loading conditions.