Electromagnetic motor brake unit for rotary drain and sewer...

B - Operations – Transporting – 08 – B

Patent

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Details

B08B 9/02 (2006.01) E03F 9/00 (2006.01)

Patent

CA 2089990

An apparatus for routing a passageway in a conduit includes an elongate cable for direction into a conduit passageway. A cable supply drum contains a supply of the cable and is rotatable about an axis, there being a length of the cable projecting to outwardly of the drum. A motor selectively imparts rotation to the drum about the axis. The cable and drum are configured such that the projecting length of cable rotates about its length as an incident of the drum being rotated about its axis. A brake is provided for stopping rotation of the drum and thereby rotation of the projecting length of cable so as to prevent torquing of the projecting length of cable as when the projecting length of cable is prevented by freely rotating by an obstruction encountered in a conduit passageway.

Appareil permettant de faire passer un chemin de câbles dans un conduit et comprenant un câble allongé pour la direction dans un chemin de câbles de conduit. Un dévidoir de câble à cylindre contient le câble et peut tourner sur un axe, pour libérer une longueur de câble vers l'extérieur. Un moteur imprime des rotations sélectives au cylindre du dévidoir sur son axe. Le câble et le cylindre sont configurés de telle manière que la longueur de câble libérée tourne sur sa longueur comme résultat de la rotation du cylindre sur son axe. L'appareil est muni d'un frein permettant d'arrêter la rotation du cylindre et en même temps la rotation du câble libéré afin d'éviter la torsion du câble et d'en empêcher la rotation libre causée par un obstacle rencontré dans le chemin de câbles.

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