Single belt, multiple conveyor system

Details Single belt, multiple conveyor system Single belt, multiple conveyor system

1974-07-15

1976-03-23

Marbert, James B.

Conveyors: power-driven

Conveyor system for arranging or rearranging stream of items

By laterally or vertically moving successive items in...

198192R, B65G 1522

Patent

active

039454843

ABSTRACT:
In a multiple, variable length conveyor system having at least two conveyor frames, one conveyor frame movable parallel to the other frame, a single, slack-free conveyor belt is positioned in combination with both frames and passes in a continuous loop forward from the back of the top conveyor to the front thereof, back from the front of the top conveyor to the back of bottom conveyor, forward from the back of the bottom conveyor to the front thereof and back over the front of the top conveyor to the back thereof to complete the loop. This single belt system permits relative movement between the conveyor frames from a collapsed state to an extended state and obviates the need for separate conveyor belts for each conveyor frame. This system is particularly applicable to multiple, variable length conveyors for conveying concrete such as multiple conveyors positioned above the extendible boom of a crane-type wheeled vehicle. In the extended state, a portion of the belt is carried along the bottom conveyor on substantially non-binding idler assemblies which permit the engagement and disengagement of the conveyor belt and bottom conveyor during movement between the collapsed and extended states of operation.

REFERENCES:
patent: 1953862 (1934-04-01), Menk
patent: 2983364 (1961-05-01), Lo Presti
patent: 3598224 (1971-08-01), Oury
patent: 3826353 (1974-07-01), Greasley

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