Control device for opening and closing open top bodies in...

Details Control device for opening and closing open top bodies in... Control device for opening and closing open top bodies in...

B - Operations, Transporting

60

J

B60J 7/06 (2006.01)

Patent

CA 2673199

Control device for both opening and closing the sheets or tarpaulins used to cover the open top bodies in the industrial, agricultural and/or similar vehicles wherein driving pulleys (6a-6b) are set in motion by means of bevel gears (7a, 7b and 7c), wherein the gear (7a) with the first driving pulley (6a) and the gear (7c) with a second driving pulley (6b) are mounted coaxially one in front of the other on the opposite sides of the central bevel gear (7b) which is manually driven by means of the crank (81) and its driving shaft (8), and in that the lengths of the cable rings (3c and 3f) driven by the driving pulleys which extend between additional pulleys (5d-5'd and 5s-5's) are disposed parallel one another so that the upper lateral lengths (3a) of the cable rings move in the same directions.

L'invention concerne un dispositif de commande aussi bien pour ouvrir que pour fermer les toiles ou bâches utilisées pour couvrir les carrosseries à dessus ouvert des véhicules industriels, agricoles et/ou similaires, dans lequel des poulies motrices (6a-6b) sont mises en mouvement au moyen de roues coniques (7a, 7b et 7c), la roue dentée (7a) avec la première poulie motrice (6a) et la roue dentée (7c) avec la seconde poulie motrice (6b) étant montées coaxialement l'une en face de l'autre de chaque côté de la roue conique centrale (7b) qui est entraînée manuellement au moyen de la manivelle (81) et de son arbre de commande (8), le dispositif étant caractérisé en ce que les longueurs des anneaux de câble (3c et 3f) entraînés par les poulies motrices qui s'étendent entre des poulies supplémentaires (5d-5'd et 5s-5's) sont disposées parallèlement l'une à l'autre de sorte que les longueurs latérales supérieures (3a) des anneaux de câble se déplacent dans le même sens.

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