Conveyors: power-driven – Conveyor section – Unit load conveying surface means moved about an endless or...
Patent
1975-08-07
1976-12-28
Werner, Frank E.
Conveyors: power-driven
Conveyor section
Unit load conveying surface means moved about an endless or...
198792, 214 161B, 214 161BB, E04H 606
Patent
active
039996476
ABSTRACT:
The present invention relates to an endless chain structure incorporating a series of cages with a mechanism for varying the distance between the cages. The cages are arranged in two rows, one above the other, and are very close together in the straight stretches. Each of the cages is attached to a mechanism for varying the distances which determine an increase or a reduction in the separation between the cages before or after, respectively their passage over end pulleys or wheels of the structure, so that a cage begins its ascent towards the upper level or its descent towards the lower level, following a curved line determined by the rim of the pulley, to avoid the cage in question from being reached or touched by the cage immediately following and travelling in a direction that is still rectilinear.
REFERENCES:
patent: 3405795 (1968-10-01), Moscherpa
patent: 3410426 (1968-11-01), Fehlmann
patent: 3688921 (1972-09-01), Zaha
patent: 3884371 (1975-05-01), Castro
Johnson R. R.
Werner Frank E.
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