Abstract: An x-ray examination apparatus (1) comprising a fixed part (2) and a carriage (3) mounted to be vertically movable relative to said fixed part (2), said carriage (3) having a horizontally projecting shaft (4), an x-ray apparatus component (5) being rotatably mounted on said shaft (4) and vertically movable together with said carriage (3), wherein a central cogwheel (6) is arranged on said shaft (4), said cogwheel (6) is meshing with two smaller cogwheels (7, 8) which are arranged on both sides of said central cogwheel (6) on said carriage (3), each of said smaller cog-wheels (7, 8) encompasses a cog or chain wheel (9, 10), a connector is, in succession, entrained around the upper sides of said cogs or chain wheels (9, 10) and partially entraining a lower wheel and partially en-training an upper wheel, said wheels are arranged on the fixed part (2), said connector partially entraining the lower sides of said cogs or chain wheels (9, 10), and either the lower wheels or the upper wheels are deflection wheels (12

Abstract: An x-ray examination apparatus (1) comprising a fixed part (2) and a carriage (3) mounted to be vertically movable relative to said fixed part (2), said carriage (3) having a horizontally projecting shaft (4), an x-ray apparatus component (5) being rotatably mounted on said shaft (4) and vertically movable together with said carriage (3), wherein a central cogwheel (6) is arranged on said shaft (4), said cogwheel (6) is meshing with two smaller cogwheels (7, 8) which are arranged on both sides of said central cogwheel (6) on said carriage (3), each of said smaller cog-wheels (7, 8) encompasses a cog or chain wheel (9, 10), a connector is, in succession, entrained around the upper sides of said cogs or chain wheels (9, 10) and partially entraining a lower wheel and partially en-training an upper wheel, said wheels are arranged on the fixed part (2), said connector partially entraining the lower sides of said cogs or chain wheels (9, 10), and either the lower wheels or the upper wheels are deflection wheels (12

Abstract: An x-ray examination apparatus has a base with at least one fixed part and one carriage that can be vertically shifted in relation to the fixed part. The carriage is provided with a horizontally projecting shaft, to which an apparatus component is mounted and which has a center axis around which the apparatus component can rotate. A pulley with a peripheral surface that is at least partially round is rotationally mounted to the shaft and is firmly connected to the apparatus component. A first pair of wheels is arranged at the fixed part of the base and a connector is provided to connect the pulley to the wheels so that whenever the wheels are respectively simultaneously rotated in different directions, the pulley and thus the apparatus component are vertically shifted and whenever the wheels are rotated in the same direction, the pulley and thus the apparatus component are caused to rotate around the center axis.

Abstract: An x-ray examination positioner has a base and an arm whose first end is rotatable around a first axle attached in the base and whose second end is connected to a holder in which a curved carrier is displaceably arranged. One end of the carrier carries an x-ray tube and the other end thereof carries an x-ray these being directed toward one another. In combination with an examination table, the carrier can be brought from a head-placed attitude into a vertical side attitude and/or into a lateral position while retaining the imaginary isocenter and, moreover, the physician has very good access to the patient, by rotatably attaching the holder of the carrier to the arm via a second axle. The first axle and the second axle are oriented such that respective imaginary extensions thereof as well as the central ray between the x-ray tube and the receptor intersect at a common point in all attitudes of the arm and of the carrier.

Abstract: An x-ray examination apparatus has a stand composed of at least one upright column, a holder for a curved carrier rotatable around a horizontal axis and connected to the column, an x-ray tube and a receptor being secured to the holder, a fastening means for the stand, and an arm that connects the stand to the fastening means. One end of the arm is rotatable around an axis at the fastening means. The apparatus also includes an examination table that is displaceable at least along a center line.