Overhead conveyor system and dip coating line comprising said system

A dip treatment plant for the treatment of vehicle bodies comprising:

• at least one dip bath which is capable for being filled with a treatment liquid and into which a vehicles body can be completely dipped;
• an overhead conveyor system which is capable of bringing the vehicle body to the at least one dip bath, put the vehicles body completely into an interior of the dip bath, take the vehicle body out of the dip bath and move the vehicle body away therefrom;
• the overhead conveyor system comprising:
• at least one transport carriage which includes a securing device to which the vehicle body may be secured;
• at least one rail carrying the transport carriage;
• at least one drive means for moving the transport carriage along the rail;
• wherein
• the securing device is mounted such that it is rotatable about a vertical axis of rotation, and
• wherein the vehicle body can achieve a sequence of movements which is a superposition of a horizontal linear movement and a rotation about the vertical axis of rotation, and wherein the sequence of movements are capable of being achieved while the vehicles body is moved through the at least one dip bath.