Abstract: A hydraulic master apparatus, in particular, for a hydraulic brake or clutch of handlebar-guided vehicles with a lever, which is pivotally mounted in a support, and a hydraulic cylinder, which can be disposed in a handlebar tube of the handlebar-guided vehicle and has a piston movably disposed therein, wherein a central valve is disposed in the piston.

Abstract: A hydraulic line coupling, for a hydraulic brake or clutch of handlebar-operated vehicles, having a line connection piece with a hydraulic line extension and a housing with a coupling opening, in which the line connection piece for coupling the line to the housing can be disposed. The connection piece comprises a passage connected to the line. A valve device is disposed in the housing and is configured such that the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. The line coupling has a seal, with which seal the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. With the seal, the connection piece seals the passage from the environment when the connection piece is in the coupling opening.

Abstract: A hydraulic master apparatus for a hydraulic brake or clutch of handlebar-guided vehicles having a handlebar tube includes a support, a lever pivotally connected to the support, a hydraulic cylinder sized to fit in the handlebar tube and having a piston, and a pulling device configured to exert a pulling force on the piston when the lever is actuated. The apparatus also includes a grip width adjusting apparatus, by which a distance between the support for the lever and the hydraulic cylinder is adjusted to adjust a grip width. Also included is a cover that, responsive to being connected in the handlebar tube, defines with the hydraulic cylinder in the handlebar tube a compensating chamber therebetween.

Abstract: A braking system is proposed for a vehicle, in particular a lightweight vehicle, in particular a pedal cycle, comprising a brake device, a mechanical urging device, and a hydraulic urging device, wherein the mechanical urging device and the brake device form a parking brake device, and the hydraulic urging device takes the form of a hydraulically actuable release device for the parking brake device.

Abstract: A hydraulic line connection for a hydraulic brake of vehicles with handlebar steering comprises a line-fastening device, which has a fastening portion for fastening the line-fastening device in a support of a hydraulic component of the hydraulic brake and a connecting portion for connection with a hydraulic line, wherein the line-fastening device has an extension, which is attached to the fastening portion on the side opposite to the connecting portion.

Abstract: A braking system is proposed for a vehicle, in particular a lightweight vehicle, in particular a pedal cycle, comprising a brake device, a mechanical urging device, and a hydraulic urging device, wherein the mechanical urging device and the brake device form a parking brake device, and the hydraulic urging device takes the form of a hydraulically actuable release device for the parking brake device.

Abstract: A hydraulic line coupling, for a hydraulic brake or clutch of handlebar-operated vehicles, having a line connection piece with a hydraulic line extension and a housing with a coupling opening, in which the line connection piece for coupling the line to the housing can be disposed. The connection piece comprises a passage connected to the line. A valve device is disposed in the housing and is configured such that the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. The line coupling has a seal, with which seal the valve device closes the connection for the connection piece when the connection piece is not in the coupling opening. With the seal, the connection piece seals the passage from the environment when the connection piece is in the coupling opening.

Abstract: A hydraulic master apparatus, in particular, for a hydraulic brake or clutch of handlebar-guided vehicles with a lever, which is pivotally mounted in a support, and a hydraulic cylinder, which can be disposed in a handlebar tube of the handlebar-guided vehicle and has a piston movably disposed therein, wherein a central valve is disposed in the piston.

Abstract: In order to improve a transmitter unit, especially for a hydraulic brake system, comprising a housing body, a piston which is arranged in the housing body able to move between a starting disposition and a pressure disposition, a pressure chamber bounded by the housing body and the piston, a reservoir for the supply of hydraulic fluid connected by a connection channel to the pressure chamber, a valve unit, which in an open position allows the connection between the reservoir and the pressure chamber and in a closed position breaks this connection, as well as a connection opening for the routing of pressurized hydraulic fluid from the pressure chamber for example to connected hydraulic brake cylinder, so that an escaping of air bubbles from the pressure chamber is more easily possible, it is proposed that in a functional orientation of the transmitter unit, the connection channel opens into a highest end region of the pressure chamber in regard to a direction of gravity.

Abstract: In order to improve a compensation reservoir for a hydraulic operating system, in particular for a hydraulic brake system or a clutch system, comprising a housing in the interior of which a storage chamber which is provided for storing hydraulic medium is bounded by a separating element which changes its shape in accordance with a volume of the storage chamber, it is proposed that the housing engages over the separating element in all of its shapes, which correspond to possible volumes of the storage chamber, in a protective manner, that a filling level-indicating region of the separating element changes its position in the housing when the volume which is taken up by the hydraulic medium which is stored in the storage chamber changes, and this position in each case represents a filling level-indicating position, and that the filling level-indicating position which is situated within the housing is visible from outside the housing through a viewing region of the housing.

Abstract: In order to improve a wheel unit for a bicycle, comprising a hub and a wheel rim, which is arranged rotatably about an axis of rotation, wherein the hub and the wheel rim are connected to one another by spokes, it is proposed to arrange a brake disc and a sensor ring, which comprises a sensing region, on the hub and to position the sensing region between the brake disc and the spokes.

Abstract: In order to improve a wheel unit for a bicycle, comprising a hub and a wheel rim, which is arranged rotatably about an axis of rotation, wherein the hub and the wheel rim are connected to one another by spokes, it is proposed to arrange a brake disc and a sensor ring comprising a sensing region on the hub and to arrange the sensor ring adjacent to the brake disc.

Abstract: In order to configure a hand-actuated transmitter unit for vehicles, in particular for handlebar-controlled vehicles, comprising a housing, a master cylinder provided in the housing, an actuating lever which is movable relative to the housing and a plunger which transmits a movement of the actuating lever to the master cylinder and which is mounted on the actuating lever, to be as economical and functional as possible, it is proposed that provided on the housing is a reach adjust device for the actuating lever, with which a respective starting position of the actuating lever is pre-settable.

Abstract: A hydraulic master apparatus for a hydraulic brake or clutch of handlebar-guided vehicles having a handlebar tube includes a support, a lever pivotally connected to the support, a hydraulic cylinder sized to fit in the handlebar tube and having a piston, and a pulling device configured to exert a pulling force on the piston when the lever is actuated. The apparatus also includes a grip width adjusting apparatus, by which a distance between the support for the lever and the hydraulic cylinder is adjusted to adjust a grip width. Also included is a cover that, responsive to being connected in the handlebar tube, defines with the hydraulic cylinder in the handlebar tube a compensating chamber therebetween.

Abstract: A vehicle steered by handlebars has a handlebar tube. A handlebar fastener for a switchgear unit includes an adapter device for receiving the switchgear unit and a fastening device for fastening the adapter device to the handlebar tube of the vehicle steered by handlebars. The adapter device has a torque support device.

Abstract: A seat post for a bicycle comprises a post body having a first end shaped to be connected to a bicycle frame, a second end shaped to be connected to a saddle, at least two longitudinal portions meshing with each other and slidable relative to one another along a longitudinal extension, and a fixing apparatus by which the two longitudinal portions can be fixed to one another in a settable relative position, the fixing apparatus being influenced to selectively fix and unfix by a radio signal.

Abstract: A master cylinder for a hydraulic brake or clutch, the master cylinder comprising a lever and a cylinder housing in which a piston is slidably arranged, wherein the piston is secured against rotation in the cylinder housing, and a piston position detection device having a signal member asymmetrically arranged with respect to a circumference of the piston and a detection member that is at least one of assigned to the signal member and opposite to the signal member.

Abstract: A master cylinder for a hydraulic brake comprises a compensating chamber, a cylinder in which a piston is movably disposed, a pressure chamber disposed in the cylinder and connected to the compensating chamber through at least one connecting opening, and a gasket for interrupting the connection between the pressure chamber and the compensating chamber. The gasket seals the compensating chamber and the pressure chamber against the environment.

Abstract: A hydraulic line connection for a hydraulic brake of vehicles with handlebar steering comprises a line-fastening device, which has a fastening portion for fastening the line-fastening device in a support of a hydraulic component of the hydraulic brake and a connecting portion for connection with a hydraulic line, wherein the line-fastening device has an extension, which is attached to the fastening portion on the side opposite to the connecting portion.

Abstract: A master mounting for a hydraulic actuation member has a housing, which has a compensating chamber with an interior and a cylinder. The master mounting also has a piston guided in the cylinder. The cylinder and the compensating chamber are connected in at least one position of the piston by a communication channel. At least one overflow channel is disposed at least at the opening of the communication channel in the cylinder wall.