| 摘要 |
The invention relates to a dental X-ray device comprising a mobile support structure (14) for a system that can be displaced to produce X-ray photographs and also comprising a fixed support structure (21). According to the invention, the mobile support structure (14) is displaceably mounted on the fixed support structure (21) by means of one or more bearings (23) and said bearing (23) comprises bearing elements, which are fixed to at least one support structure (14, 21). The latter (14, 21) has a bearing surface (24) for the bearing elements, said elements lying on the surface. The device is provided with adjustment elements (41, 42) for the displacement of the support structure (14) parallel to the bearing surface (24), in addition to a drive (47) for carrying out a rotation of the support structure (14) about an axis that is perpendicular to the bearing surface (24). The bearing elements are configured in such a way that they can be displaced on the bearing surface (24) in every direction parallel to said surface (24) and can carry out a rotation about an axis that is perpendicular to the bearing surface (24). The support structure can thus be displaced in every direction parallel to the bearing surface (24) and can in addition be rotated about its own axis. |
