Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Support slidable on ground
Patent
1977-01-03
1978-10-17
Blunk, Evon C.
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Support slidable on ground
198301, 198594, 198735, 198862, 299 45, B65G 4100
Patent
active
041203909
ABSTRACT:
A crossover dump and conveyor advancer for a main conveyor means supported by a movable pan line. The crossover dump includes a tunnel portion through which the pan line extends and entry and reentry ramps supporting portions of the main conveyor are provided for carrying the main conveyor over a secondary conveyor which extends cross-wise to and above the pan line. Material carried by the main conveyor is moved up the entry ramp where it then falls onto the secondary conveyor. A conveyor advancer is included to move the pan line relative to the crossover dump in order that the conveyor system may be advanced or retracted. The main conveyor is adapted to connect with a continuous mining machine by way of a bridge conveyor. The pan line supporting the main conveyor has limit switches near the tailpiece which when contacted by the bridge conveyor will cause the conveyor advancer to advance or retract the pan line. The conveyor advancer engages with the pan line by means of forward and retract pawl mechanisms in order that the advancer may advance or retract the pan line.
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patent: 3604754 (1971-09-01), Kampf-Emden
patent: 3664486 (1972-05-01), Mares
Blunk Evon C.
Thomson Richard K.
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