GUSTAV MAGENWIRTH GMBH & CO. KG Patent applications |
Patent application number | Title | Published |
20150082787 | MASTER CYLINDER - A master cylinder, for a clutch, actuating or brake system, comprising a cylinder housing with a piston bore, a piston in the piston bore with an end side facing a cylinder chamber and an afterflow opening leading from a piston skirt surface through a piston wall to the cylinder chamber at a distance from the end side, adjoining an afterflow space in a pressure equalization position of the piston where, in the pressure equalization position, hydraulic medium runs into the cylinder chamber to equalize the pressure, and an inner sealing element, arranged between the housing and the piston, limits the cylinder chamber, the afterflow space arranged between the sealing element and the piston skirt surface on a side of a sealing lip of the sealing element facing away from the cylinder chamber, and, in the pressure equalization position, the afterflow opening is located opposite an inner surface of the sealing element. | 03-26-2015 |
20140251125 | Master Cylinder - In order to provide a master cylinder, in particular for a clutch system, an actuating system or a braking system of a vehicle, which enables secure sealing of the cylinder chamber relative to the outside, as well as a reliable flow of hydraulic medium into the cylinder chamber, it is proposed that the piston comprises a first section which has a cylindrical lateral surface and a second section which has at least one region which is set back radially inwardly with respect to the cylindrical lateral surface of the first section, wherein at least one set-back region extends to an end of the piston and wherein the first and second sections are arranged on the piston in such a way that in an actuating position of the piston, the main sealing element in the first section of the piston abuts in sealing manner thereagainst and in the pressure equalisation position of the piston, in the second section of the piston between the piston and the main sealing element, at least one gap is formed, through which hydraulic medium can flow along the piston from the supply chamber into the cylinder chamber in order to equalise the pressure. | 09-11-2014 |
20140191491 | Suspension Fork - The invention relates to a suspension fork ( | 07-10-2014 |
20140109567 | Hydraulic Converter and Hydraulic Brake - A hydraulic converter for a hydraulic brake system or clutch system, in particular, of a handlebar-steered vehicle, in particular of a bicycle, includes at least one hydraulic master device and a mechanical slave device for actuating the hydraulic master device. The hydraulic master device comprises a cylinder with a pressure chamber, a piston arranged in the cylinder displaceably along the axis of the cylinder, and the hydraulic converter having an adjustment device for adjusting the volume of the pressure chamber of the cylinder. | 04-24-2014 |
20140041971 | Brake and Method for the Installation Thereof - A rim brake having a right arm and a left arm respective with one upper and one lower longitudinal portion separated from one another by a pivot bearing. The lower longitudinal portion is provided for holding a brake pad and the upper longitudinal portion engages with at least one hydraulic cylinder through a wedge element. The hydraulic cylinder is disposed between the right arm and the left arm and is configured to move the wedge element. A method for the installation of a hydraulic brake having a master unit and a slave unit connected to a hydraulic line is also provided. | 02-13-2014 |
20140041379 | Master for a hydraulic actuating element - A master for a hydraulic actuating element, with a cylinder, in which a piston is displaceably mounted, and a hand lever, with which the position of the piston in the cylinder can be influenced, and a fastening element which comprises a clamping part shaped complementarily to the inner cross section of the handlebar, which is equipped for being fastened in the handlebar by means of an internal clamping. Furthermore, the invention relates to a master, in which the hand lever and the piston are connected by a push rod, which comprises a first longitudinal portion, which is provided with an external thread, which engages in an internal thread on the hand lever, so that the distance between piston and hand lever can be adjusted by turning the push rod, and wherein the push rod comprises a second longitudinal portion, which is provided with a polygonal outer cross section, which bears against at least one second spring element. Finally, the invention relates to a master, in which the piston made of a plastic material seals off the cylinder to the outside with a wiping lip, which is unitarily joined to the piston. | 02-13-2014 |
20130241171 | Lower leg for a suspension fork - A lower leg ( | 09-19-2013 |
20130228407 | Master Device for a Closed Hydraulic System of Handlebar-Steered Vehicles - A master device for a closed hydraulic system of handlebar-steered vehicles includes a basic body and a pressure chamber in which, in the event of actuation of the master device in order to actuate a slave device, hydraulic fluid is placed under pressure. The master device includes a hydraulic line connecting element having a connecting piece for connecting a hydraulic line and a thread section for screwing into the basic body. An air bleed opening bleeds the hydraulic system. The hydraulic line connecting element and the basic body form a valve that closes the connection between the pressure chamber and the air bleed opening when the hydraulic line connecting element is fully screwed in to the basic body. | 09-05-2013 |
20130220064 | Actuator Mounting - An actuator mounting, in particular, a clutch or brake mounting for a vehicle, includes a mounting housing ( | 08-29-2013 |
20110296827 | Master Cylinder - In order to make the idle stroke which occurs as small as possible in a master cylinder, in particular for a clutch, actuating or brake system of a vehicle, comprising a cylinder housing with a piston bore, a piston arranged in the piston bore and having an end side facing a cylinder chamber and at least one afterflow opening which leads from a piston skirt surface through a piston wall to the cylinder chamber at a distance from the end side and adjoins an afterflow space in a pressure equalization position of the piston so that in the pressure equalization position hydraulic medium can run on into the cylinder chamber in order to equalize the pressure, and an inner sealing element which is arranged between the housing and the piston in the area of the piston bore and limits the cylinder chamber, it is suggested that the afterflow space be arranged between the sealing element and the piston skirt surface on a side of a sealing lip of the sealing element facing away from the cylinder chamber and that in the pressure equalization position the afterflow opening be arranged so as to be located opposite an inner surface of the sealing element limiting the afterflow space. | 12-08-2011 |
20110266286 | Afterflow Reservoir for a Hydraulic Actuating Device and Hydraulic Actuating Device - In order to provide an afterflow reservoir for a hydraulic actuating device, in particular for a clutch or brake actuating device of motor vehicles, comprising an outlet which can be connected to an actuating cylinder, a container body rising above the outlet and having a storage chamber provided in it for holding hydraulic fluid as well as an air chamber located above a fluid level limiting the storage chamber, with which any intake of air bubbles into the actuating cylinder can be reduced, if not avoided, it is suggested that a separating unit extending at a distance from the fluid level be arranged in the storage chamber, this separating unit dividing the storage chamber into an intake chamber bordering on the outlet and a reserve chamber located between the separating unit and the fluid level, and that hydraulic fluid be able to enter the intake chamber from the reserve chamber through at least one connection between the reserve chamber and the intake chamber. | 11-03-2011 |
20110181009 | SPRING DEFLECTION ADJUSTMENT - A pneumatic spring device ( | 07-28-2011 |
20100282551 | BRAKE DISK - A brake disk, preferably for an all-terrain vehicle (ATV), having an outer ring ( | 11-11-2010 |
20100282015 | SHIFTING DEVICE - A shifting device, particularly for bicycle gearshifts, having an attachment device ( | 11-11-2010 |
20100219607 | SPRING FORK - A spring fork, in particular for bicycles, with a suspension system and a hydraulic damping system, wherein a compression stage damping system ( | 09-02-2010 |
20100164200 | Lower Leg for a Suspension Fork - The invention relates to a lower leg ( | 07-01-2010 |
20100096912 | QUICK-RELEASE AXLE - An axle arrangement ( | 04-22-2010 |
20100018338 | Handlebar Grip - A handlebar grip ( | 01-28-2010 |
20090049945 | ACTUATOR MOUNTING - An actuator mounting, in particular, a clutch or brake mounting for a vehicle, with a mounting housing ( | 02-26-2009 |
20080196539 | Lever arrangement and operating unit for handlebar-steered vehicles - In order to improve a lever arrangement for handlebar-steered vehicles, comprising an actuating-lever housing which can be fitted to a handlebar, adjoining a handle, by way of a mounting portion and on which an actuating lever is mounted such that it can be pivoted about an axis, and comprising an adjusting lever which can be moved, by pivoting about a pivot axis, from a stable inactive position, in which the adjusting lever is positioned on that side of its pivot axis which is directed away from the actuating lever, into a stable active position, in which the adjusting lever is positioned on that side of its pivot axis which is directed toward the actuating lever, and vice versa, such that the adjusting lever can be moved out of the active position by straightforward manual actuation, it is proposed that the adjusting lever is mounted in a pivotable manner in an adjusting-lever housing, and in that the adjusting lever, in the active position, has a finger-actuating surface which is at a distance from the handle and is directed toward the latter and, when this finger-actuating surface is acted on, the adjusting lever executes a pivoting movement leading away from the handle and out of the active position. | 08-21-2008 |