Abstract: The invention relates to a shock absorber with a housing, an inner pipe arranged in the housing, a piston rod, a piston which is arranged at that end of the piston rod, and which piston divides the interior of the inner pipe into a lower chamber and an upper chamber, a first valve arrangement which is arranged on the piston, and a third valve arrangement which is arranged at the lower end of the inner pipe and by means of which the working medium which is held in the interior of the housing, serving as a tank, can flow out of the interior of the housing, only into the lower chamber when the piston moves in the inner pipe. The shock absorber is distinguished by the fact that a hydraulic pump drive is arranged between a first connection element of the lower chamber of the inner pipe and a second connection element at the upper chamber of the inner pipe.

Abstract: Measurement device for a vehicle seat having a lower part and an upper part which is movable relative to the lower. A scissor-action frame comprising at least one first scissor part and at least one second scissor part is arranged between the upper vehicle seat part and the lower vehicle seat part. The first scissor part and the second scissor part are interconnected by means of a rotary axis and a first end region of the first scissor part is fixed to the lower vehicle seat part by a pivot axis. At least one angle sensor unit is fixed to the first scissor part and the angle sensor unit is movably connected to the lower vehicle seat part by means of a movable lever apparatus, wherein the angle sensor unit can be actuated by the lever apparatus when the height of the upper vehicle seat part is adjusted.

Abstract: The invention relates to a vehicle seat or to a vehicle cabin having a suspension apparatus comprising a top end part and a bottom end part, which can be deflected relative to the top end part, which are connected to each other in a spring-loaded manner by means of a suspension element, and having a dampening apparatus for dampening vibrations having effect on at least one of the two end parts wherein the dampening apparatus and a distance leveling apparatus for adjusting a distance between the top end part and the bottom end part have an actuator fluid element controlled by common pressure stages.

Abstract: The invention relates to a shock absorber with a housing, and an inner pipe arranged in the housing, a piston rod, a piston, and which piston divides the interior of the inner pipe into a lower chamber and an upper chamber, a first valve arrangement which is arranged on the piston, a second valve arrangement which is arranged at the upper end of the inner pipe, and a third valve arrangement which is arranged at the lower end of the inner pipe. The shock absorber is distinguished by the fact that at least one proportional flow-control valve is arranged between a first connecting element of the lower chamber of the inner pipe and a second connection element at the upper chamber of the inner pipe.

Abstract: The invention relates to a vehicle seat comprising a seat part and a backrest, wherein the backrest comprises at least one left-hand backrest longitudinal support at least one middle backrest longitudinal support and at least one right-hand backrest longitudinal support extending in the vertical direction of the backrest. The backrest longitudinal supports are each connected to the seat part and/or a seat-part frame in a lower region and comprise at least one cushion element. The backrest longitudinal supports are hingedly connected to the seat part and/or the seat-part frame and are interconnected by means of an elongate backrest cross strut, wherein it is possible to vary a distance between at least two backrest longitudinal supports by displacing the at least one backrest cross strut along the vertical direction of the backrest in the upper region of the backrest.

Abstract: The invention relates to a device for damping an upper suspension part in at least one spatial direction (X, Y, Z) with respect to a lower suspension part movable relative thereto, wherein a spring apparatus which acts between the upper suspension part and the lower suspension part is provided for damping, wherein an actuating element is provided by way of which a force can be introduced into the device bidirectionally in the operating direction of the spring apparatus, wherein the actuating element is actuable via a control apparatus.

Abstract: The invention relates to an adjustable damping system for a vehicle seat for damping vibrations of a seat-part-side upper part relative to a body-side lower part in at least one spatial direction (X, Y, Z), at least one damping element, arranged between the seat-part-side upper part and the body-side lower part and adjustable by an adjustment device, being provided for the damping. The damping system is further distinguished in that at least one relative movement variable and a change in the relative movement variable of the seat-part-side upper part relative to the body-side lower part can be determined by a sensor device, and a first damping force of the damping element can be adjusted by the adjustment device as a function of the at least one relative movement variable and the frequency of the change in the relative movement variable.

Abstract: The invention relates to an adjustable damping system for a vehicle seat for damping a movement of the seat part-side upper part relative to the body-side lower part in at least one spatial direction, wherein, for damping, at least one damping element is provided, which is adjustable by an adjustment device and is arranged between the seat part-side upper part and the body-side lower part.

Abstract: The invention relates to a vehicle seat or a vehicle cab with a suspension system comprising an upper closing part and a lower closing part which is deflectable in relation to the upper closing part, which closing parts are operatively connected to each other in a resilient manner by means of a suspension element, and with a damping system for damping vibrations acting on at least one of the two closing parts, wherein an electromagnetically acting damping and height-levelling unit is provided which is arranged between the two closing parts in such a manner that said damping and height-levelling unit acts on the upper of the two closing parts in the vertical direction of the vehicle both in a vibration-insulating and also height-levelling manner.

Abstract: The invention relates to a vehicle seat comprising a seat part and a backrest, the backrest comprising at least one left-hand backrest longitudinal support extending in the vertical direction of the backrest and at least one right-hand backrest longitudinal support extending in the vertical direction of the backrest, the backrest longitudinal supports being attached to the seat part and/or a seat-part frame in a lower end region and comprising at least one cushion element, wherein the length of a distance between the backrest longitudinal supports can be adjusted by means of at least one elongate backrest cross strut arranged in the upper region of the backrest.

Abstract: The invention relates to a device for damping an upper suspension part in at least one spatial direction with respect to a lower suspension part movable relative thereto, wherein a spring apparatus which acts between the upper suspension part and the lower suspension part is provided for damping, wherein an actuating element is provided by way of which a force can be introduced into the device bidirectionally in the operating direction of the spring apparatus, wherein the actuating element is actuable via a control apparatus, wherein the actuating element comprises a drive, preferably in the form of a rotary field magnet, and a coupling rod, drivable by the drive and in the form of a shaft, in such a way that a distance between the lower suspension part and upper suspension part can be varied as a result of the coupling rod rotating.

Abstract: Suspension system for vehicle seats, in particular for utility motor vehicle seats, comprising at least a first and a second part, the two parts being mounted oscillatorily movable and spring-loaded with respect to one another, wherein a closed hydropneumatic circuit is provided which comprises at least one control element, connected to at least one of the two parts, and at least one first hydropneumatic spring connected in series therewith, a hydraulic pressure of a hydraulic medium in the circuit being convertible into a force acting between the two parts by means of an action surface arranged in the control element, the pressure being dependent on a gas pressure in a gas volume of the first spring.

Abstract: Vehicle vibration device for a vehicle seat or a vehicle cabin, comprising a lower part and an upper part which is resiliently mounted relative to the lower part by a damper means, wherein the upper part is mounted in a suspended manner on the lower part by means of at least one pivot bearing, wherein the at least one first pivot bearing comprises at least one first lever, the first end of which is attached to the lower part by a first pivot axis and the second end of which is attached to the upper part by a second pivot axis, wherein the second end is located below the first end when viewed in a vertical direction, wherein at least the position of the first end of the lever can be changed by an adjustment means.

Abstract: Vehicle vibration device for a vehicle seat or a vehicle cabin comprising a lower part and an upper part mounted resiliently with respect to the lower part by means of a damping device, the upper part being mounted suspended on the lower part by means of at least one pivot mounting, the at least one first pivot mounting comprising at least one first lever, the first end of which is attached to the lower part by means of a first pivot axis and the second end of which is attached to the upper part by means of a second pivot axis, the second end being positioned below the first end in a vertical direction, at least one dimension of the upper part and/or at least one dimension of the lower part being variable by means of an adjustment device so as to vary the position of the first lever.

Abstract: A commercial vehicle seat with a seat part, a backrest part and a seat substructure to be arranged on a body part of a commercial vehicle is provided. The seat substructure comprises a lateral swinging means with a cross carriage part, which can be swung transversely to the longitudinal extension of the commercial vehicle and by which at least the seat part is mounted, and comprises a locking means for fixing the cross carriage part on the base support part, wherein the locking means has two locking units which are spaced apart from one another in the longitudinal extension of the commercial vehicle and which have a respective locking element which is mounted such that it can swivel about a vertical swivel axis and can be deflected synchronously by an actuating element which is arranged at least in part therebetween.

Abstract: The invention relates to a vehicle seat or a vehicle cab with a suspension system comprising an upper closing part and a lower closing part which is deflectable in relation to the upper closing part, which closing parts are connected to each other in a resilient manner by means of a suspension element, and with a damping system for damping vibrations acting on at least one of the two closing parts, wherein the damping system and a distance levelling system for adjusting a distance between the upper closing part and the lower closing part have a common fluid actuator element controlled by compression and tension stages.

Abstract: The invention relates to a commercial vehicle seat having a seat substructure supporting part and a seat substructure base part each attached underneath a seat part, the seat substructure supporting part being movable and/or height-adjustable relative to the seat substructure base part, where the seat substructure supporting part comprises an upper supporting part joined to the underside of the seat part and a lower supporting part joined to the base part, wherein at least one roller bearing with a roller bearing ring, which extends orbitally about a notional rotary axis running in the vertical direction of said vehicle seat, is arranged between the upper supporting part and the lower supporting part, in order to rotatably support said upper supporting part relative to said lower supporting part.

Abstract: The invention relates to a horizontal vibration device for a vehicle seat, comprising a damper module which damps horizontal vibrations between a seat-side upper part and a body-side lower part in the longitudinal direction of the vehicle and/or in the width direction of the vehicle, and comprising a regulating/control module for regulating and/or controlling the damper module, said damper module being arranged in an interspace between the seat-side upper part and the body-side lower part. The horizontal vibration device is further characterized in that the damper module comprises at least one hydraulic vibration damper, said at least one hydraulic vibration damper being fluidically connected to a volume equalising module.

Abstract: A vehicle seat, in particular a utility motor vehicle seat, having a seat part, having a backrest comprising a lower backrest part and an upper backrest part, and having a holding device, by means of which the upper backrest part is mounted displaceably with respect to the lower backrest part, wherein the holding device has a sliding guide device, by means of which the upper backrest part is arranged displaceably with respect to the lower backrest part along a displacement curve so as to mount the upper backrest part displaceably at least in part past the side edge of the lower backrest part.

Abstract: Measurement device for a vehicle seat having a lower part and an upper part which is movable relative to the lower. A scissor-action frame comprising at least one first scissor part and at least one second scissor part is arranged between the upper vehicle seat part and the lower vehicle seat part. The first scissor part and the second scissor part are interconnected by means of a rotary axis and a first end region of the first scissor part is fixed to the lower vehicle seat part by a pivot axis. At least one angle sensor unit is fixed to the first scissor part and the angle sensor unit is movably connected to the lower vehicle seat part by means of a movable lever apparatus, wherein the angle sensor unit can be actuated by the lever apparatus when the height of the upper vehicle seat part is adjusted.