Abstract: A switchable hydraulic bearing for mounting of a motor-vehicle assembly comprises a support bearing and a mount connected by a support spring, and a working chamber and an equalization chamber fillable with damping liquid that are spatially separated by a separating wall and connected by a damping channel in the separating wall. The separating wall may comprise a nozzle cage with two adjacent nozzle discs provided with an axial spacing. A diaphragm of rubber-elastic material may be provided in a gap between the nozzle discs. The diaphragm may be switchable by a switching device comprising an elastic lever disc axially adjacent to the second nozzle disc. An electromagnet may connect to the lever disc and can adjust the lever disc between a first position, permitting axial play of the diaphragm in the gap, and a second position, acting on the second nozzle disc and clamping the diaphragm between nozzle discs.

Abstract: A hydraulically damping mount for mounting a motor vehicle unit on a motor vehicle body includes a support and a support mount which are interconnected by a support spring made of an elastomeric material. In embodiments, a support spring limits a working chamber which is separated from a compensating chamber by a separating device, wherein the working chamber and the compensating chamber may be filled with a fluid and may be connected to one another via a damping channel included in the separating device, wherein the separating device may include two nozzle discs between which a first membrane and a second membrane are arranged, and wherein one of the membranes has at least one through-hole.

Abstract: A hydraulically damping mount for mounting a motor vehicle unit on a motor vehicle body includes a support and a support mount which are interconnected by a support spring made of an elastomeric material. In embodiments, a support spring limits a working chamber which is separated from a compensating chamber by a separating device, wherein the working chamber and the compensating chamber may be filled with a fluid and may be connected to one another via a damping channel included in the separating device, wherein the separating device may include two nozzle discs between which a first membrane and a second membrane are arranged, and wherein one of the membranes has at least one through-hole.

Abstract: The invention relates to a leaf (1) for a multi-leaf collimator (2) for delimiting a high-energy beam (3, 3?, 3?) of an irradiation device, in particular for conformational radiation therapy. According to the invention, the multi-leaf collimator (2) comprises a plurality of opposing leaves (1), which can be brought into the beam path (3, 3?, 3?) by means of drives (4), in such a way that the contour (5) of said path can be shaped in accordance with the volume to be irradiated. The need for beam-absorbent material (7) is reduced, as the leaf (1) essentially only comprises a beam-absorbent material (7) of an appropriate thickness (8) in a region (6) that is brought into the path (3, 3?, 3?) of the high-energy beam (3) during the course of all possible positional displacements (9). The invention also relates to a corresponding multi-leaf collimator (2), a device (22) for delimiting beams, and an irradiation device.

Abstract: The invention relates to a leaf (1) for a multi-leaf collimator (2) for delimiting a high-energy beam (3, 3?, 3?) of an irradiation device, in particular for conformational radiation therapy. According to the invention, the multi-leaf collimator (2) comprises a plurality of opposing leaves (1), which can be brought into the beam path (3, 3?, 3?) by means of drives (4), in such a way that the contour (5) of said path can be shaped in accordance with the volume to be irradiated. The need for beam-absorbent material (7) is reduced, as the leaf (1) essentially only comprises a beam-absorbent material (7) of an appropriate thickness (8) in a region (6) that is brought into the path (3, 3?, 3?) of the high-energy beam (3) during the course of all possible positional displacements (9). The invention also relates to a corresponding multi-leaf collimator (2), a device (22) for delimiting beams, and an irradiation device.

Abstract: An eye stabilizing mechanism for use with a computer controlled ophthalmic laser system includes a base on which the ophthalmic laser system is mounted. A frame is slidingly mounted on the base, and the frame is connected to the base by a linear spring. A contact lens is fixedly attached to the frame and an object lens is slidingly mounted on the frame. An object lens activating device is also fixedly attached to the frame, and this device is connected to the object lens to move the object lens in accordance with preprogrammed instructions from the computer. Thus, while contact is maintained between the surface of the eye and the contact lens, the object lens can be moved by computer control to move the focal point of the laser system through selected eye tissue. Also, any movement of the frame, due to movement of the eye, is opposed only by the substantially constant force which is established by the linear spring between the base and the frame.