Abstract: A hydraulic system has two hydraulic circuits, each with a pressure generating unit acting on an actuator unit. The generating units are slot-controlled radial piston pumps and form a pump assembly with a single common pump support and single common rotor. The rotor is rotatable on a free protruding section of a common support hub and has piston-receiving bores on axially offset planes. The hub has two first and two second fluid bores. The first bores communicate with first pump connections and first control openings on the hub on a first plane, and the second fluid bores communicate with second pump connections and second control openings on the hub on a second plane. A first and a second adjustment frame, each having an eccentric ring and acting on the pump pistons, are disposed on respective planes perpendicular to the main axis and independently guided in a linearly movable manner.

Abstract: A motor vehicle chassis is provided having a base structure that can be hydraulically adjusted in level between a raised and a lowered position. A hydraulic adjuster is assigned to one of the two foot points of the corresponding suspension spring in each of the four wheel suspensions. At least two of the adjusters can be pressurized in parallel by a common hydraulic aggregate comprising a tank and a motor-pump unit and activated by a control unit. The at least two hydraulic adjusters that can be pressurized by the common hydraulic aggregate communicate hydraulically with the accumulator chamber of a spring-piston accumulator, which has at least one piston-position transmitter linked by signal transmission to the control unit.

Abstract: A motor vehicle chassis is provided having a base structure that can be hydraulically adjusted in level between a raised and a lowered position. A hydraulic adjuster is assigned to one of the two foot points of the corresponding suspension spring in each of the four wheel suspensions. At least two of the adjusters can be pressurized in parallel by a common hydraulic aggregate comprising a tank and a motor-pump unit and activated by a control unit. The at least two hydraulic adjusters that can be pressurized by the common hydraulic aggregate communicate hydraulically with the accumulator chamber of a spring-piston accumulator, which has at least one piston-position transmitter linked by signal transmission to the control unit.

Abstract: A hydraulic system has two hydraulic circuits, each with a pressure generating unit acting on an actuator unit. The generating units are slot-controlled radial piston pumps and form a pump assembly with a single common pump support and single common rotor. The rotor is rotatable on a free protruding section of a common support hub and has piston-receiving bores on axially offset planes. The hub has two first and two second fluid bores. The first bores communicate with first pump connections and first control openings on the hub on a first plane, and the second fluid bores communicate with second pump connections and second control openings on the hub on a second plane. A first and a second adjustment frame, each having an eccentric ring and acting on the pump pistons, are disposed on respective planes perpendicular to the main axis and independently guided in a linearly movable manner.

Abstract: A hydraulic lifting column comprising a base structure, a head structure and a lifting structure. The lifting structure comprising a hydraulic power unit and hydraulic linear actuators extending between the base structure and the head structure, the hydraulic power unit acting on the hydraulic linear actuators. The lifting structure comprising four linear actuator units with a mutually parallel, vertically oriented working direction. Each linear actuator unit comprising a double cylinder having two-cylinder bores arranged next to one another and two piston structures with piston rods oriented parallel to one another and extendable in opposite directions from the double cylinder. The four lower piston rods are connected to the base structure at the corners of a first quadrilateral and the four upper piston rods are connected to the head structure at the corners of a second quadrilateral.

Abstract: A human exoskeleton includes a first skeletal structure with a first coupling unit for coupling to a first part of a human body, a second skeletal structure connected to the first skeletal structure in an articulated manner and including a second coupling unit for coupling to a second part of the human body. An adjustment unit acts between the first and second skeletal structures, and includes at least one adjustable flow rate hydraulic actuator unit and a hydraulic unit that acts thereon and which has two pump connections. The first pump connection is fluidly connected to a working chamber of the actuator unit via a pressure line. An outlet line has a flow throttle and a calming tank is downstream of the throttle. The first pump connection is fluidly connected to the second pump connection via the outlet line and the calming tank, the outlet line having a flow therethrough when pressure is applied to the working chamber.

Abstract: A hydraulic lifting column comprising a base structure, a head structure and a lifting structure. The lifting structure comprising a hydraulic power unit and hydraulic linear actuators extending between the base structure and the head structure, the hydraulic power unit acting on the hydraulic linear actuators. The lifting structure comprising four linear actuator units with a mutually parallel, vertically oriented working direction. Each linear actuator unit comprising a double cylinder having two-cylinder bores arranged next to one another and two piston structures with piston rods oriented parallel to one another and extendable in opposite directions from the double cylinder. The four lower piston rods are connected to the base structure at the corners of a first quadrilateral and the four upper piston rods are connected to the head structure at the corners of a second quadrilateral.

Abstract: The disclosed subjects matter relates to a surgical instrument handle for a surgical instrument, that includes a first handle element, which can be rigidly connected to one of a shaft component and an actuating element of a surgical instrument, wherein an index-finger rest and a ball-of-the-thumb rest are formed on the first handle element, and a second handle element, which is articulated to the first handle element and can be coupled to the other of the shaft component and the actuating element of the surgical instrument, wherein at least one further finger rest is formed on the second handle element. A locking element is rotatably attached to the first handle element, wherein the locking element has an actuation segment and a first locking member. A second locking member is provided on the second handle element, and the first locking member is elastically preloaded toward the second locking member.

Abstract: The invention relates to a medical cutting and/or holding instrument having a shaft, a tool mounted on the distal end of the shaft and consisting of two jaw members, and also having a handle that is mounted on the proximal end of the shaft, consists of two gripping members, and serves to open and close the jaw members of the tool. In order to produce a simply constructed and easily cleanable medical cutting and/or holding instrument, it is proposed according to the invention that the shaft should consist of two shaft rods, each configured without joints as a single construction with one gripping member of the handle.

Abstract: A scanning device for an apparatus for reading from or writing to optical recording media, with at least one mounting device with a receptacle along an optical axis for an optical component arranged on a cylindrical holder and with setting elements for the holder along the axis or along and about the axis is disclosed. The scanning device of this type reduces the number of setting elements for adjusting an optical component and the setting elements are formed and arranged in a space-saving manner which considerably simplifies the adjusting operation.

Abstract: An optical scanning apparatus for various appliances for recording or reproducing data or information using an optical recording medium has an interchangeable driving segment for matching the optical scanning apparatus to various driving systems in various appliances for recording or reproducing data or information. The driving segment, which is a one-piece toothed rack, for example, has an asymmetrical screw head depression in a hole for receiving a countersunk-head screw which connects the driving segment to the optical scanning apparatus at a contact face provided as a reference face for the purpose of arranging the driving segment parallel to a guide bar on the optical scanning apparatus.

Abstract: The invention relates to a medical cutting and/or holding instrument having a shaft, a tool mounted on the distal end of the shaft and consisting of two jaw members, and also having a handle that is mounted on the proximal end of the shaft, consists of two gripping members, and serves to open and close the jaw members of the tool. In order to produce a simply constructed and easily cleanable medical cutting and/or holding instrument, it is proposed according to the invention that the shaft should consist of two shaft rods, each configured without joints as a single construction with one gripping member of the handle.

Abstract: The invention relates to a medical cutting and/or holding instrument having a shaft, a handle consisting of two gripping members that is positioned on the proximal end of the shaft, and a push-pull rod mounted in a guide groove of the shaft to actuate a tool consisting of two jaw members that is positioned on the distal end of the shaft, such that for opening and closing the tool the push-pull rod can be coupled on the distal end with at least one rotatable jaw member of the tool and on the proximal end with a rotatable gripping member of the handle, and such that the push-pull rod and the rotatable gripping member can be dissolubly connected with one another by a coupling mechanism.

Abstract: The invention relates to a medical cutting and/or holding instrument having a shaft, a handle consisting of two gripping members on the proximal end of the shaft, and a push-pull rod for activating a tool that is positioned on the distal end of the shaft and consists of two jaw members, such that the push-pull rod can be coupled with at least one rotatable jaw member of the tool on the distal end and with one movable gripping member of the handle on the proximal end. To produce a medical cutting and/or holding instrument that is of simple construction and allows simple and versatile handling, it is proposed with the invention that the push-pull rod is configured as a component that is independent of the shaft and mounted outside the shaft, entirely on the rotatable jaw member of the tool and on the movable gripping member of the handle.

Abstract: A scanning device for an apparatus for reading from or writing to optical recording media, with at least one mounting device with a receptacle along an optical axis for an optical component arranged on a cylindrical holder and with setting elements for the holder along the axis or along and about the axis is disclosed. The scanning device of this type reduces the number of setting elements for adjusting an optical component and the setting elements are formed and arranged in a space-saving manner which considerably simplifies the adjusting operation.

Abstract: In order that natural oscillations on a pickup of a recording or playback machine for optical recording carriers are avoided to the greatest extent, or at least shifted into uncritical frequency ranges, a toothed rack which is stiffened, preferably with a rib, and lies by means of drivers against drivers of the pickup is used instead of a flexible toothed rack. All the drivers have guiding bores, through which a guiding rod is passed. Provided between a driver of the toothed rack and a driver of the pickup is a compression and torsion spring, which is configured as a wire spring and both compensates for the axial play between the toothed rack and the pickup and presses the toothed rack against a gearwheel driving it.

Abstract: In order that natural oscillations on a pickup of a recording or playback machine for optical recording carriers are avoided to the greatest extent, or at least shifted into uncritical frequency ranges, a toothed rack which is stiffened, preferably with a rib, and lies by means of drivers against drivers of the pickup is used instead of a flexible toothed rack. All the drivers have guiding bores, through which a guiding rod is passed. Provided between a driver of the toothed rack and a driver of the pickup is a compression and torsion spring, which is configured as a wire spring and both compensates for the axial play between the toothed rack and the pickup and presses the toothed rack against a gearwheel driving it.

Abstract: According to the invention, parts of the setting mechanism are integrated into the housing and/or setting mechanisms are arranged in such a way that they assume not only the setting function of one axis but also the guiding function of a further axis. The setting mechanisms are formed by eccentric bolts. Guiding pins serve for guidance in one axis. Clamping screws serve for fixing the adjusted axes. Slots serve as guiding aids in the various axes.

Abstract: The invention concerns a device which comprises a device for displacing to transversely position a multitrack tape in front of a reading and/or writing head. The magnetic tape carries a plurality of elementary tracks which are grouped in several bundles. These bundles are selectively accessed using the device for displacing. The writing and/or reading head can write and/or read information from elementary tracks contained in one bundle at a time. The device for displacing comprise a tape guide acting on longitudinal edges of the tape and transversely translating the tape. Furthermore they comprise either a movable tape reels platform or movable pins to accommodate for the transverse tape displacement.