Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1975-07-30
1976-11-23
Cherry, Johnny D.
Conveyors: power-driven
Conveyor section
Endless conveyor
B65G 1564
Patent
active
039931862
ABSTRACT:
Improvement in a mechanism for guiding a belt on a conveyor comprising a belt guide having a roller and belt guide members at opposite ends of the roller, a hanger for hanging the roller from a conveyor so that the roller pushes upon the slack side of the conveyor belt, an arrangement providing a pivot axis by which the roller can rotate in respect to the hanger during operation of the conveyor, the device utilizing the left or right sideways movement of the belt to engage one of the guide members and rotate the roller about the pivot axis so that the belt is automatically moved by the device toward the position from which it originally commenced to move, the improvement comprising a roller frame for the roller, an axle made fast to the roller frame, the roller rotatably carried on the axle, the belt guide members carried on the axle and made fast to the roller frame, the belt guide members having belt-contacting surfaces for engaging opposite edges of the belt, each belt-contacting surface disposed at an obtuse angle to the axle, the hanger comprising a hanger frame constructed for attachment to the frame of the conveyor, the arrangement providing a pivot axis comprising a pivot shaft carried in the hanger frame, a pair of thrust bearings for the pivot shaft and an arrangement for holding the thrust bearings in place in the hanger frame at opposite ends of the pivot shaft, whereby during operation of the device the roller rotates freely in spite of the belt pressure thereon.
REFERENCES:
patent: 2451394 (1948-10-01), Klein
patent: 2570364 (1951-10-01), Mercier
patent: 2653700 (1953-09-01), Sloane
patent: 2655251 (1953-10-01), Bankauf
patent: 2664994 (1954-01-01), Tourneau
patent: 2797794 (1957-07-01), Bradley
patent: 2873022 (1959-02-01), Murphy
patent: 2892534 (1959-06-01), Ogden
patent: 3058574 (1962-10-01), Gianukos
patent: 3203537 (1965-08-01), Holladay et al.
patent: 3513966 (1970-05-01), Eckels
Cherry Johnny D.
Fisher William L.
Thomson Richard K.
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