Roller conveying apparatus

B - Operations – Transporting – 65 – G

Patent

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Details

B65G 13/12 (2006.01) B60P 1/52 (2006.01)

Patent

CA 2401501

A track roller assembly comprises an inner channel member and an outer channel member, the outer channel member having opposing flanges with a conduit for receiving an air line for operating the assembly. An inflatable air bag is between the inner and outer channel members for raising and lowering the air bag. The supply air line, which is flexible and compressible, for operating the air bag, is releasably attached externally the channel members in and protected by the conduit by opposing spaced ribs. The supply air line is squeezed between the ribs during insertion into the conduit.

L'invention concerne un ensemble chemin de roulement comprenant un élément de passage intérieur et un élément de passage extérieur, l'élément de passage extérieur étant pourvu de rebords opposés et d'un conduit destiné au logement d'une conduite d'air servant à faire fonctionner l'ensemble. Un coussin d'air gonflable est disposé entre les éléments de passage intérieur et extérieur de manière à pouvoir se gonfler et se dégonfler. Des rouleaux, fixés à l'élément de passage intérieur, montent et descendent à mesure que le coussin d'air soulève et abaisse l'élément de passage intérieur. La conduite d'air, souple et compressible, qui sert à actionner le coussin d'air vient se fixer libérable dans le conduit, qui la protège, par l'intermédiaire de nervures opposées espacées, et ce à l'extérieur des éléments de passage. Ainsi, la conduite d'air est prise entre les nervures lors de l'insertion dans le conduit.

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