Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1986-08-08
1987-09-29
Callaghan, Thomas F.
Conveyors: power-driven
Conveyor section
Endless conveyor
B65G 2314
Patent
active
046963910
ABSTRACT:
The apparatus comprises a continuous looped belt (10) having an upper run (11) for carrying a load and a return lower run (12). A single cable (100) is arranged over numerous pulleys to define two spaced parallel upper runs of cable (101) and two spaced parallel lower runs of cable (102) which support the belt runs (11, 12). The belt is broader than the spacing between the spaced runs of cable and seats on top of the cable. A cross-over arrangement (110) provides for the cable to form two identical and parallel cable portions defining the cable runs. All pulleys in one portion are mirrored by co-axial pulleys in the other portion, so that, at any point, the tension in one cable portion is equal to that in the other portion. A double drive roller arrangement reduces scuffing of the cable, so that the whole system substantially reduces wear of the cable.
REFERENCES:
patent: 1528557 (1925-03-01), Luce
patent: 1970842 (1934-08-01), Crossen
patent: 2489440 (1949-11-01), Vallance
patent: 2732930 (1956-01-01), Thomson
patent: 2751065 (1956-06-01), Thomson
patent: 3424297 (1969-01-01), Thomson
patent: 4609099 (1986-09-01), Pentith
Callaghan Thomas F.
Fletcher Sutcliffe Wild Ltd.
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