Patent ID: 7081164

Claim:
A conveyance method for a processing step, comprising: while a movable body is travelling along a processing line including a processing liquid tank located at a prescribed position or while the movable body is stopped, operating an operating arm supported on the movable body in a downward direction, and rotating a supporting body provided on a front end section of the operating arm about an axis in a lateral direction of the processing line, introducing a conveyance object supported on the supporting body into a processing liquid in the processing liquid tank thereby processing the conveyance object, and removing the conveyance object from the processing liquid; rotating the supporting body in accordance with the shape of the conveyance object thereby controlling an angle of the conveyance object, upon introduction of the conveyance object into the processing liquid; rotating the supporting body in accordance with the shape of the conveyance object thereby controlling the angle of the conveyance object, during immersion and processing of the conveyance object in the processing liquid; and rotating the supporting body in accordance with the shape of the conveyance object thereby controlling the angle of the conveyance object, upon removal of the conveyance object from the processing liquid.