Belt conveyor system

Details Belt conveyor system Belt conveyor system

1988-04-18

1989-08-08

Spar, Robert J.

Conveyors: power-driven

Conveyor section

Endless conveyor

198840, 198842, B65G 1510

Patent

active

048544477

ABSTRACT:
A belt conveyor with dual upper runs and dual lower runs defined by a single continuous belt for synchronized movement of the upper runs. The dual lower runs cross each other and are guided by longitudinally spaced support rollers which twist the lower belt runs and vertically shift at least one of these lower runs to provide for free unencumbered crossing of the lower belt runs and the keepers mounted on the belt to assist in movement of material.

REFERENCES:
patent: 2573486 (1951-10-01), Pollitz
patent: 2698079 (1954-12-01), Wearly
patent: 2705854 (1955-04-01), Laverdisse
patent: 3225902 (1965-12-01), Roinestad
patent: 3598226 (1971-08-01), Hayman
patent: 4013165 (1977-03-01), Bush
patent: 4274529 (1981-06-01), Mori et al.
patent: 4366900 (1983-01-01), Johansson
patent: 4738353 (1988-04-01), Johansson

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