Conveyors: power-driven – Conveyor system having a gravity conveyor section – With means to affect flow
Patent
1988-10-26
1990-05-01
Spar, Robert J.
Conveyors: power-driven
Conveyor system having a gravity conveyor section
With means to affect flow
198497, 198561, 198536, B65G 4719
Patent
active
049210890
ABSTRACT:
A conveyor is used in combination with a supply of bulk material having an outlet of a predetermined relatively great transverse width to move the material from the outlet to an output location longitudinally and horizontally offset from the outlet in a transport direction. This conveyor has a trough itself having an intake of generally the large transverse width and opening upward at the outlet of the supply for receiving bulk material therefrom, a base extending in the direction, and a pair of side walls extending upward from the base and also extending in the direction. The side walls flare upward away from each other at least at the intake and have upper edges spaced transversely apart at the intake by the transverse width and lower edges spaced transversely apart generally along the full length of the trough by a relatively small transverse width. An endless conveyor chain carrying transversely projecting pushers has a lower stretch immediately juxtaposed in the trough with the base thereof and an upper stretch extending in the trough above the lower stretch and underneath the intake. The chain is driven to advance the lower stretch in the transport direction and move the material from the intake to the outlet and to advance the upper stretch opposite to this direction and break up the incoming bulk-material stream at the intake.
REFERENCES:
patent: 835526 (1906-11-01), Horn
patent: 924332 (1909-06-01), Fleming
patent: 1695272 (1928-12-01), Christian et al.
patent: 2375697 (1945-05-01), Sinden
patent: 4163490 (1979-08-01), Timm
patent: 4250987 (1981-02-01), Trammell et al.
patent: 4807740 (1989-02-01), Teske
Dayoan D. Glenn
Dubno Herbert
Spar Robert J.
Wilford Andrew
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