ANTI-FALL TRANSMISSION DEVICE FOR A HANDLING DOOR HAVING A FLEXIBLE CURTAIN.

摘要

The invention relates to an anti-fall transmission device for a handling door (1) having a flexible curtain (5) to be stacked or rolled about a drive shaft (4) during the movements thereof between an open and a closed position, comprising a separate electric motor or gear motor (7) attached along a rotational axis which is offset and parallel to that of the drive shaft (4), as a protective anti-fall device (8) for connecting the motor or the gear motor (7) to the drive shaft (4) and for preventing the flexible apron (5) from accidentally falling.