Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1976-05-12
1977-11-15
Marbert, James B.
Conveyors: power-driven
Conveyor section
Endless conveyor
B65G 1630
Patent
active
040582043
ABSTRACT:
A belt conveyor having at least one straight load bearing section and comprising a pair of flexible elementary belts which are each reinforced at least longitudinally by a reinforcing layer embedded in the vicinity of the neutral axis thereof and which each have a regular array of projections and intermediate recesses arranged so that the projections of one belt fit exactly into the recesses of the other belt.
A guide apparatus for the belt provides first curved path portions to progressively bring the belts together into mutual positive engagement and rigidly interlocked relationship at one end of the straight load bearing section and second curved path portions to progressively separate the belts beyond the opposite ends of the straight section. The guide includes belt deflecting devices which define the first and second curved path portions in the vicinity of each end of the straight load bearing section such that the elementary belts are deflected in opposite directions around centers of curvature which are longitudinally shifted with respect to each other at each end of the straight section, thereby to substantially obviate friction between the projections and recesses of the elementary belts when the belts undergo progressive mutual engagement and separation at each end of the straight load bearing section.
REFERENCES:
patent: 3414108 (1968-12-01), Jackson et al.
patent: 3666085 (1972-05-01), Folkes
Battelle (Memorial Institute)
Marbert James B.
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