Conveyors: power-driven – Conveyor section – Bucket
Patent
1983-06-07
1985-03-26
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Bucket
198840, B65G 1736
Patent
active
045067813
ABSTRACT:
An endless belt with bottomless buckets or other gripping elements bolted to its outer surface at spaced locations, has endless wire ropes each loosely received in a longitudinal bore formed in confronting faces of two rows of discrete blocks of resilient material bolted to the inner surface of the belt to form a continuous rail member. The wire ropes are firmly coupled to the endless belt as they pass around end pulleys together by the wedging action created as the tension in the endless belt pulls the associated two rows of discrete blocks which have tapered side walls down into peripheral grooves in the end pulleys which also have tapered, but slightly narrower side walls. With the belt firmly coupled to the wire ropes, radial digging forces tending to pull the belt away from the end pulleys, and lateral forces generated as the digger is advanced into a pile of bulk material on a bias which tends to cause the belt to creep laterally on the pulleys, are resisted by tension developed in the wire ropes. Seals prevent bulk material from getting between the endless belt or its resilient rail members and the end pulleys, and scrapers remove any such material which gets past the seals and deflects it laterally out of the belt loop.
REFERENCES:
patent: 1254941 (1918-01-01), Snow
patent: 1498845 (1924-06-01), Lakin
patent: 2227776 (1941-01-01), Anderson
patent: 2405378 (1946-08-01), Thomas
patent: 2881904 (1959-04-01), Hoerth
patent: 3352408 (1967-11-01), Thomson
patent: 3861518 (1975-06-01), Dibben et al.
patent: 3910404 (1975-10-01), Henrekson
patent: 3967721 (1976-07-01), Rhoden
Dravo Corporation
Stone Michael
Valenza Joseph E.
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