Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1991-12-06
1993-04-27
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
B65G 3916
Patent
active
052053997
ABSTRACT:
A return trainer for keeping a conveyor belt centered along the center line of normal travel path including a frame having a pair of side walls positioned adjacent to opposite edges of the conveyor belt. A first pair of parallel idler rollers are mounted between the side walls which rollers are positioned above and below a conveyor belt. A second pair of parallel idler rollers located downstream from the first pair of idler rollers are also mounted between the side walls on opposite sides of the conveyor belt. A pair of guide rollers are mounted on axles held by the frame intermediate the first and second set of idler rollers. The axles for these guide rollers extend in a generally vertical direction and each roller is positioned at an opposite edge of the conveyor belt. The guide rollers thus provide structure to prevent the conveyor belt from moving laterally away from the direction of travel.
REFERENCES:
patent: 2725757 (1955-12-01), Murphy
patent: 3225902 (1965-12-01), Roinestad
patent: 4506782 (1985-03-01), Jeanneret et al.
Conover Richard C.
Valenza Joseph E.
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