Dental X-ray device comprising a mobile support structure

A dental X-ray device, comprising at least one movable supporting structure for a system adapted to be movable for the purpose of making X-ray images, and having a stationary supporting structure on which said movable supporting structure is displaceably mounted by means of at least one bearing having bearing elements secured to at least one of said supporting structures, and at least one of said supporting structures having a bearing face for the bearing elements, regulating means provided for shifting the movable supporting structure in a direction parallel to said bearing face a drive for effecting rotation of said movable supporting structure about an axis perpendicular to said bearing face said bearing elements being movable on the bearing face in any direction parallel to said bearing face, and said bearing elements being rotatable about an axis perpendicular to said bearing face.