Slide door apparatus for vehicle

A slide door apparatus for a vehicle, comprising:

• a driving device adapted to be mounted to a slide door supported by a vehicle body for opening and closing an opening formed at the vehicle body;
• a guide pulley unit adapted to be mounted to the slide door and including a plurality of guide pulleys each having a first guide groove and a second guide groove arranged axially in parallel to each other, the guide pulley unit further including a first housing member and a second housing member for housing the plurality of guide pulleys to be rotatable therein, and a separating member provided between the first and second housing members for separating the first and second guide grooves of each of the plurality of guide pulleys;
• and
• a cable connected to the driving device to be wound to and unwound from the driving device, the cable including a first portion disposed into the first groove of each of the plurality of guide pulleys and an end of the first portion adapted to be connected to the vehicle body at a first side in a moving direction of the slide door, the cable further including a second portion disposed into the second groove of each of the plurality of guide pulleys and an end of the second portion adapted to be connected to the vehicle body at a second side in the moving direction of the slide door.