Class / Patent application number | Description | Number of patent applications / Date published |
188710700 | With means to adjust for wear of brake | 82 |
20090000880 | Disc brake shim plate - A disc brake shim plate including a metal plate and a rubber section formed on at least one side of the metal plate. The rubber section includes an elastomer and carbon nanofibers having an average diameter of 0.5 to 500 nm and dispersed in the elastomer; the rubber section in uncrosslinked form has a first spin-spin relaxation time (T | 01-01-2009 |
20090000881 | Disc Brake for a Commercial Vehicle - A disc brake is provided for a commercial vehicle, having a brake caliper and brake pads, which make contact with a brake disc. At least one brake pad, together with a carrier plate and a friction lining fixed on the latter, can be pressed against the brake disc by a brake application device via at least one rotatable control spindle and a pressure piece which is operatively connected to the latter and is connected fixedly to the carrier plate. A folding bellows, which is fastened such that it cannot rotate to the brake caliper and bears freely for the unimpeded rotation of the control spindle and yet in a sealing manner against said control spindle, is provided for sealing the outlet region of the control spindle out of the brake caliper. | 01-01-2009 |
20100200341 | Brake Operation Structure and Brake/Differential-Lock Operation Structure - The present invention provides a brake operation structure capable of realizing facilitation of adjustment work of a brake operation mechanism for operating a brake mechanism based on manual operation. The brake operation structure includes a brake operation mechanism that rotates a brake pressing member of the brake mechanism about a rotational axis line into a brake actuation direction in accordance with manual operation, and a brake adjustment mechanism that adjusts an initial position of the brake pressing member around the rotational axis line at a time when the brake operation mechanism is not in operation. The brake adjustment mechanism is inserted in the brake operation mechanism at a position allowing the brake adjustment mechanism to be accessed from above a fender trough an opening that is provided at the fender for allowing a driver's seat support frame to be mounted. | 08-12-2010 |
20100314205 | PNEUMATICALLY AND/OR ELECTROMECHANICALLY ACTUABLE COMMERCIAL VEHICLE DISC BRAKE - The invention relates to a pneumatically and/or electromechanically actuable commercial vehicle disc brake having a brake disc, a brake calliper, a brake application shaft which can be actuated by means of a pivoting lever and lies transversely with respect to a rotational axis of the brake disc, an adjusting device which is arranged at least partially within an inner space of the brake calliper, and a first sealing device for sealing an annular space which is delimited by the inner wall of a through opening of the brake calliper and a device which extends through the through opening. According to the invention, a holding device, which holds a second sealing device for sealing the annular space at least partially, and a third sealing device are provided, which sealing device bears against the holding device for sealing the annular space at least partially. | 12-16-2010 |
20110147138 | DISK BRAKE AND ADJUSTING DEVICE FOR A DISK BRAKE - The invention relates to a disk brake, in particular for utility vehicles, having a brake application shaft ( | 06-23-2011 |
20110203882 | Adjusting Device for a Disc Brake - An adjusting device is provided for adjusting wear of brake pads and a brake disc of a pneumatically actuated disc brake, having a rotary lever-actuated application device. The adjusting device is insertable into an adjusting spindle of the disc brake and attached to a brake caliper of the disc brake by way of a bearing disc. A drive ring is axially disposed on a bushing of a powershift/overload clutch. The powershift/overload clutch is axially disposed between the drive ring and a clutch sleeve for a spring. The clutch sleeve has a sleeve and a clutch insert that may be axially inserted into the sleeve in a positively engaged manner. | 08-25-2011 |
20120073912 | Pneumatically or Electromechanically Actuated Disc Brake - A pneumatic or electromagnetically actuated disc brake includes a caliper spanning a brake disc, a brake application unit disposed in the caliper and having a brake lever, at least one actuating spindle axially displaceable by the rotary lever, and a wear adjustor actuated by the brake lever and positioned in the brake caliper, by which a wear-induced change in an air gap between a brake pad and the brake disc can be substantially compensated for by way of an axial adjustment of the actuating spindle. The wear adjustor includes a spur gear segment extending in the pivot direction and disposed on the lever and engaging with a crown gear operationally connected to the actuating spindle for adjusting. | 03-29-2012 |
20120292137 | DISC BRAKE APPARATUS WITH PARKING MECHANISM - Some of the components of a parking brake mechanism are incorporated between an inner side case and an outer side case, the two case and are combined by engaging lock holes and lock claws, and an inner side auxiliary assembly is formed. In this state, the diameter of circumscribed circle of the lock claws is configured to be smaller. Then, when the inner side auxiliary assembly is incorporated in the cylindrical space, the two lock claws are engaged with a lock concave which is formed on the inner peripheral surface of the cylindrical space by making the two lock claws protrude greatly from the outer peripheral surface of the inner side case. | 11-22-2012 |
20120292138 | PLUNGER ROD ADJUSTER FOR COMPACT BRAKE CALIPER UNITS, HAVING A SCREW CONNECTION ELEMENT SUPPORTED DIRECTLY ON THE ADJUSTER HOUSING - A wear adjuster for a brake caliper of a disk brake of a rail vehicle, having a) a helical gearing which has a threaded spindle and a nut to be screwed thereon as the screw connection elements, one of the screw connection elements and an adjusting element being rotatable in a first wear adjuster housing to rotatingly drive the screw connection element in the wear adjusting direction and the other screw connection element being non-rotatably mounted in a second wear adjuster housing, b) a wrap spring freewheeling mechanism which is blocked in a direction of rotation of the rotatable screw connection element against a wear adjustment and which is freewheeling in the opposite direction of rotation, the wrap spring freewheeling mechanism coupling the rotatable screw connection element to a rotationally fixed element. The rotationally fixed element is formed directly by the first wear adjuster housing. | 11-22-2012 |
20120318622 | Wet Disc Brake System - A wet disc brake system is described which includes a housing assembly and brake callipers. The housing assembly is provided with openings for seating cylinders of respective brake callipers. The callipers are coupled to a structural component of a vehicle to which the system is fitted and in particular a flange of an axle housing. This enables reactive forces created during a braking operation to be transmitted via the callipers to the flange and axle housing rather than being carried by housing assembly. As the housing assembly does not bear any substantive load, it may be made of a relatively light weight construction or material. | 12-20-2012 |
20120325595 | FORCE TRANSMISSION DEVICE - A force transmission device for a disc brake operable to move a friction element of the brake into engagement with a rotary brake disc along a first axis in response to a loading from an actuating member, the device comprising: a guide member having a generally cylindrical guide form; a piston comprising a complementary generally cylindrical outer sliding surface slideable within the guide member, wherein; an anti-rotation formation is provided between the guide member and the piston, the formation comprising a recess extending generally parallel to the first axis and a complementary projection. | 12-27-2012 |
20120325596 | BRAKE - A brake having an adjustable tappet for applying a brake force to a brake pad, a tappet having a rotating part in threaded engagement with a non-rotating part, the rotating part including a tappet gear, an adjuster mechanism for selectable rotating the tappet gear, the adjuster mechanism having a clutch with a driving clutch plate in frictional engagement with a driven clutch plate, the driven clutch plate having external teeth in direct meshing engagement with the tappet gear. | 12-27-2012 |
20160167682 | BRAKE CYLINDER DEVICE AND DISC BRAKE DEVICE | 06-16-2016 |
20180023646 | Brake Application Mechanism of a Disc Brake | 01-25-2018 |
188710800 | Self-adjusting means | 68 |
20090057074 | ELECTRIC BRAKE DEVICE - An electric brake device comprises a caliper holding braking members and having an electric motor attached thereto, a reduction mechanism for transmitting an input rotation of one input element thereof from the electric motor to two output elements thereof at reduced speeds, a rotation-linear motion converting mechanism for converting the rotation of one of the output elements into a linear motion of one of the braking members, and a thrust force support member connected to the other output element and screw-engaged with the caliper, wherein the rotation-linear motion converting mechanism is supported by the thrust force support member to be movable together in a thrust direction and is provided with rotation limiting portions for limiting the rotation in a reverse direction of the one output element to a predetermined range, and wherein the thrust force support member is set to be greater in resistance to operation than the rotation-linear motion converting mechanism. | 03-05-2009 |
20090071765 | Arrangement for Reducing a Rotational Speed of a Rotating Member - An arrangement for reducing a rotational speed of a rotating member includes a first and second pressure member arranged at a distance from each other and an opposite sides of the rotating member for movement relative to each other between a retracted position and a forward position engaging the rotating member. The arrangement includes an adjustment device including a friction structure forming a friction joint with one of the pressure members for maintaining a position relative to one another provided a maximum friction force is not exceeded. The arrangement further includes a spring acting on the friction structure for separating the pressure members after having been compressed. The spring has a gradually increasing spring force between a non-compressed state and a totally compressed state. An intermediate spring force value of the spring, which corresponds to compression of the spring to an extent less than the totally compressed state, equals a maximum friction force of the friction joint so that the friction structure is forced to move relative to the pressure member, with which it forms the friction joint, when the maximum friction force is exceeded. | 03-19-2009 |
20090127034 | DISK BRAKE FOR VEHICLES - Disclosed herein is a disk brake for vehicles including a gap adjuster to compensate for a gap between a frictional pad and a disk based upon the wear of the frictional pad. The disk brake includes a disk rotatable along with each wheel of a vehicle, a movable frictional pad configured to press against one side of the disk to generate a braking force, a wedge member having the movable frictional pad attached to one side thereof, the wedge member being movable to the rotation direction of the disk by a drive motor to generate a power such that the wedge member advances to the disk, and a guide member to guide the wedge member such that the wedge member advances to the disk. The disk brake further includes a gap adjuster to uniformly maintain a gap between the movable frictional pad and the disk. | 05-21-2009 |
20090145701 | Device for Controlling the Piston Roll-Back - A device for controlling the piston roll-back including a piston comprising a piston body ( | 06-11-2009 |
20090166135 | Disk brake - A disk brake comprising: a pair of friction pads disposed to oppose to both surfaces of a disk rotor respectively, and a caliper having a pad insertion space into which the friction pads can be inserted from radially outside of the disk rotor, wherein at least one of the pair of friction pads is provided with a return spring whose one end abuts against a side of the friction pad opposing to the disk rotor to urge the friction pad to separate from the disk rotor in its axial direction, the one end of the return spring is disposed on the friction pad at intermediate portion in a radial direction of the disk rotor in the pad insertion space of the caliper, and the friction pad is inserted in between the one end of the return spring and a surface of the caliper opposing to the one end. | 07-02-2009 |
20090242337 | Method and apparatus for facilitating performance of vehicle braking systems - A method of assembling a vehicle braking system retrofit package includes assembling a braking mechanism having a first bias. The method also includes assembling at least one automatic hydraulic brake adjuster (AHBA) having a second bias and a third bias. The method further includes coupling the at least one AHBA in flow communication with the braking mechanism such that the second bias and the third bias cooperate with the first bias to facilitate modulating the braking mechanism to predetermined positions. | 10-01-2009 |
20100025165 | Disk Brake Comprising an Energy Store - A disk brake is provided, the disk brake including at least one energy storing element and a deflecting mechanism which is controllably configured to deflect the force flux of the energy storing element in a transverse direction toward a brake disk in order to clamp at least one brake lining against the brake disk. | 02-04-2010 |
20100044165 | Compact Disc-Brake Unit For Vehicles On Rails - A disc-brake unit ( | 02-25-2010 |
20100122876 | DISK BRAKE WITH AN IMPROVED STRUCTURE - A disk brake comprising: a brake disk, a moving disk, a fixed disk, a mounting base, a guide rod, a fixed rod, first and second levers, a fixed plate, and first and second spring clamps. Here, one end of the fixed rod is fixed to a plane of the moving disk, the other end of the fixed rod passes through the fixed disk and is fixed to one end of the first/second lever, and the other end of the first/second lever is fixed to the circumferential surface of the fixed disk on the center line of the fixed disk; the fixed plate is fixed to either the guide rod or the mounting base; one end of the first/second spring clamp is connected to the fixed plate, and the other end of the first/second spring clamp is clamped at the middle position between the first and second levers. | 05-20-2010 |
20100230218 | HYDRAULIC CALIPER BRAKE ASSEMBLY WITH SELF-ADJUSTING FEATURE - A hydraulic caliper brake assembly with self-adjusting feature includes a cylindrical body, an elastomer, a pushing rod, a force resisting member, and a retaining ring. The cylindrical body has a chamber. The elastomer is sealing disposed in the chamber and has a receiving hole. The elastomer provides a resilient force. The pushing rod is sealingly received in the receiving hole. The pushing rod has a shank extended therefrom and protruded into the chamber. The shank has a shoulder. The force resisting member is sleeved on the shank. The force resisting member abuts against the chamber to provide a resisting force. The retaining ring is disposed in one end of the shank. The retaining ring is moved with the pushing rod. | 09-16-2010 |
20100230219 | Disc Brake, in Particular for a Utility Vehicle - A disc brake, in particular, for a commercial vehicle, has a brake caliper which engages over a brake disc, brake linings which make contact with the brake disc in a functional position, and a brake application device with which one of the brake linings can be pressed, via at least one adjusting spindle, against the brake disc. An adjustment device is rotationally fixed to the adjusting spindle, by which wear-induced change in the running clearance between the brake lining and the brake disc can essentially be compensated. A closure lid covers the adjustment device and is attached to the brake caliper. A lining wear sensor communicates with a step-down gear mechanism connected to the adjusting spindle. The lining wear sensor is embodied as a contactless sensor which rotates on a concentric path has its change in angular position detected by the lining wear sensor and transmitted to an evaluation device. | 09-16-2010 |
20100252374 | Hydraulically Actuated Multi-Piston Disc Brake - A hydraulically actuated disc brake has at least two hydraulic brake pistons acting upon a brake lining, arranged in a brake housing. The hydraulic disc brake includes a hydraulic synchronization device for reducing oblique wear of the brake lining. The hydraulic synchronization device is interposed between an input pressure line for brake actuation and the brake piston. | 10-07-2010 |
20100288588 | Brake Device Comprising An Elastic Energy Accumulator - Disclosed is a brake device, particularly a disc brake, comprising a caliper, brake drum, or similar, and energy accumulator, especially an accumulator spring. The energy accumulator rests on the caliper or similar while being supported on an abutment by means of a lever arm. A mechanism for transmitting resilient forces between the energy accumulator embodying one spring element is created with the aid of a lever arm via the abutment. The brake device is characterized in that the lever arms can take at least two or more different angular positions relative to each other in relation to the abutment. | 11-18-2010 |
20110005871 | Pneumatically Actuated Disc Brake with Actuation Tappet - A pneumatically actuated disc brake, includes a caliper, at least one brake application-side and one reaction-side brake lining, a brake disc, and a brake cylinder to which compressed air can be applied as a braking force generator. The brake cylinder acts on a brake application device for applying the brake lining, the brake application device having a rotary lever. At least the brake application-side brake lining can be moved both in a direction parallel to the brake disc rotation axis and parallel to the brake disc frictional surface, and a self-energizing device is provided which has a self-energizing factor that is selected such that the brake releases automatically after braking. | 01-13-2011 |
20110120817 | Brake Assembly for a Utility Vehicle - The invention relates to a brake assembly for a utility vehicle. After a braking operation a clearance between a control member ( | 05-26-2011 |
20110139554 | BRAKE SYSTEM OF VEHICLE - A brake device includes a brake pad movable toward a brake disc and configured to contact the brake disc, and an EWB device comprising a wedge and an actuator configured to push the wedge. The wedge is configured to push the brake pad when the actuator pushes the wedge. The device has a hydraulic cylinder comprising a piston coupled to and configured to push the EWB device. The wedge is configured to push the brake pad without operation of the actuator when the piston pushes the EWB device such that the brake pad can move toward the brake disc. | 06-16-2011 |
20110155518 | Disc Brake Adjusting Device with a Torque Dependent Coupling - A wear adjustor adjusts the wear of brake pads and a brake disc of a pneumatic disc brake having a rotary-lever-actuated brake application device. The adjustor is insertable into an adjusting spindle and attached to a caliper of the disc brake by way of a mounting disc. An axial bearing is formed axially on one side of a drive ring and a ball ramp coupling with a freewheel function is formed axially on the opposite side of the drive ring. The ball ramp coupling has balls, has the drive ring arranged at the drive-input side axially between the axial bearing and the balls thereof, and has a drive-output-side clutch ring. A cone clutch is arranged between the drive-output-side clutch ring and a spring sleeve for a cylindrical spring. A torque-dependent coupling with positive restraint is arranged axially between the cone clutch and the spring sleeve. | 06-30-2011 |
20110203883 | Disc Brake Adjusting Device Having a Cone Clutch Utilizing Clamping Balls - A wear adjustor is provided for adjusting the wear of brake pads and a brake disc of a pneumatic disc brake having a brake application device actuated by a rotary lever. The wear adjustor is preferably inserted into an adjusting spindle of the brake application device. An axial bearing is formed axially on a side of a drive ring, and a ball ramp coupling with a freewheel function is formed axially on the opposite side of the drive ring. The ball ramp coupling has balls and a drive socket which is arranged axially, on the drive side, between the axial bearing and the balls thereof, a cone clutch being arranged between the clutch ring on the output side and an elastic sleeve for a cylinder spring. The cone clutch has the output-side clutch ring and a cone socket connected to the elastic sleeve, and clamping balls are arranged between the output-side clutch ring and the cone socket. | 08-25-2011 |
20110203884 | Disc Brake Adjusting Device Having an Output Side Coupling Ring With a Defined Working Rotational Angle - A wear adjustor adjusts the wear of brake pads and a brake disc of a pneumatic disc brake having a rotary lever brake application device. The wear adjustor is insertable into an adjusting spindle and attached to a caliper of the disc brake by a bearing disc. An axial bearing is formed axially on a side of a drive ring, and a ball ramp coupling with a freewheel function is formed axially on the opposite side of the drive ring. The ball ramp coupling includes balls and a drive socket which is arranged axially, on the drive side, between the axial bearing and the balls thereof, a cone coupling being arranged between the coupling ring on the output side and an elastic sleeve for a cylinder spring. The output-side coupling ring is designed for a working rotational angle defined by at least one fixed abutment. | 08-25-2011 |
20110203885 | Disc Brake Adjustment Device Having a Blocking Device - A wear adjustor is provided for adjusting the wear of brake pads and the brake disc of a pneumatically operated disc brake having a brake application device that can be actuated via a rotary lever. The wear adjustor is able to be inserted into an adjusting spindle of the brake application device. The wear adjustor includes a clutch ring for coupling to a spring sleeve that is in engagement with the adjusting spindle. A blocking device is disposed between the adjusting spindle and the wear adjustor. The blocking device forms a stop for the adjusting spindle in the tangential direction relative to the rotating direction. | 08-25-2011 |
20110203886 | Method for Fixing an Adjustment Device on a Disc Brake - A method is provided for fixing an adjustment device on a disc brake, particularly a pneumatically actuated disc brake. The adjustment device is inserted in a previously adjusted idle position into an adjusting spindle of the disc brake, wherein a coupling of a shift fork of the adjustment device is carried out with a rotating lever of the disc brake, and a centering is carried out by a bearing disc of the adjustment device in a receptacle of a brake caliper. The adjustment device is positioned by twisting the same. The adjustment device is secured on the disc brake by locking the bearing disc on the brake caliper by a locking element. | 08-25-2011 |
20110278104 | DISC BRAKE DEVICE - A disc brake device is configured to include friction pads facing the friction surface of a disc rotor, a caliper and a piston capable of pushing the friction pads against the friction surface of the disc rotor, and a mounting for supporting the caliper in a freely movable manner to a vehicle body side through a slide mechanism including a slide pin and a sleeve. A positioning mechanism capable of changing a relative position of the slide pin and the sleeve is arranged to appropriately change the position of the caliper according to the wear of the pad and ensure stable retract function. | 11-17-2011 |
20120145491 | ELECTROMOTIVE BRAKE SYSTEM - An electromotive brake system may include a caliper housing, a first and second friction pads, a brake disk disposed in between, a pressurizing member connected to the second friction pad, a push rod with a push rod groove, an operating disk inserted in the push rod groove, first and second springs, a rotating ramp adapted to convert the rotational movement of a motor into a linear movement of a non-rotating ramp by means of a ball disposed between the rotating ramp and the non-rotating ramp. The electromotive brake system may further include first and second catching portions, a plurality of teeth and corresponding engaging protrusion of the teeth. The plurality of teeth and the protrusion may have slanted or curved surfaces. | 06-14-2012 |
20120168264 | FRICTION BRAKE - A friction brake including a brake part, a friction lining, a friction surface, and a pressing device, arranged on the brake part, that is structured and arranged to press the friction lining against the friction surface. A holding part is located on the pressing device so that the friction lining rests against the holding part. An actuating part is located on the pressing device and rotatably mounted on the brake part and an actuator is structured and arranged to pivot the actuating part. A pin is rotatably mounted in the holding part and being arranged on the actuating part, and a rotational axis of the pin is eccentrically arranged with respect to a rotational axis of the actuating part. | 07-05-2012 |
20120193176 | Brake System Comprising A Retractor - A brake system is provided, the brake system having a brake valve having a first mode and a second mode. A retractor is in fluid communication with the brake valve, and a brake assembly is in fluid communication with the retractor. When the brake valve is in a first mode, the brake assembly engages, and when the brake valve is in a second mode, the brake retractor disengages the brake assembly via a fluid vacuum. | 08-02-2012 |
20120217104 | PLAY ADJUSTMENT IN A HYDRAULIC BRAKING SYSTEM - An economical, light and reliable hydraulic braking system for braking a moving mass includes a pressure element or press part for pressing onto a brake surface under frictional contact, a brake actuator filled with hydraulic fluid for producing pressure in the pressure element and a spacing device for adjusting play between the pressure element and the brake surface when the brake system is in a released or non-active position. The spacing device includes a hydraulic accumulator for accumulating a predefined volume of hydraulic fluid at a minimum pressure. The hydraulic accumulator can be connected to the brake actuator, thus avoiding the use of mechanical stopping or blocking devices. | 08-30-2012 |
20120255817 | Method and device for displacing and storing brake fluid for a hydraulic brake system of a vehicle - In a method for displacing and storing brake fluid for a hydraulic brake system of a vehicle which brake system has at least one hydraulic accumulator, at least one brake booster and at least one brake circuit, the brake booster is configured in such a manner, that even without an action of the driver, actuation of the brake booster allows a volume of brake fluid to be automatically displaced. The brake fluid is displaced into the hydraulic accumulator and stored, by automatic actuation of the brake booster, and at least a portion of the stored brake fluid is emptied by the hydraulic accumulator into the brake circuit as a function of the operating state of the brake system. | 10-11-2012 |
20120305343 | PLUNGER ROD ADJUSTER FOR COMPACT BRAKE CALIPER UNITS, HAVING AN ADJUSTING LEVER THAT ABUTS ON AN ELASTIC STOP - A disk brake of a rail vehicle, having a brake caliper, the caliper arms of which are coupled with one end to brake shoes and with the other end to a wear adjuster, the length of the wear adjuster is adjustable by a control mechanism depending on the stroke of a brake force motor. A control rod of the control mechanism acts upon an adjusting element of the wear adjuster, the adjusting element includes a freewheeling mechanism mounted in a housing of the wear adjuster and a stop section of the adjusting element loaded in a self-adjusting starting position against a stop of the housing by at least one return spring element. The stop contains at least one element that is elastic in the direction of abutment. | 12-06-2012 |
20130008749 | Disk Brake And Production Method For A Disk Brake - A disk brake having a brake caliper and a brake actuation mechanism being supported in it, in which the brake actuation mechanism includes an amplification mechanism for introducing a clamping force, an adjustment device for compensation of lining wear with a torque clutch, a thrust element for transmitting the clamping force onto a brake disc and a reset device, which components are arranged around a rod, in which the torque clutch, for example, is formed as a roller-ramp-mechanism. A spring force can act onto the torque clutch by means of the reset device thereby forming a torque limit. Furthermore the invention relates to an assembly method for such a disc brake. | 01-10-2013 |
20130140114 | ADJUSTER SYSTEM - An adjuster system for adjusting the position of a brake pad relative to a brake disc so as to maintain a suitable running clearance between the pad and disc in a disc brake. The system comprises a manual rewind apparatus to reset the position of the brake pad when replacement thereof is required. The manual rewind apparatus has a transmission path extending from a rewind tool engaging portion to a brake pad engaging portion of the system. The manual rewind apparatus is configured such that when a rewind torque above a pre-determined torque is applied to the transmission path by a rewind tool no damage is caused to components along the transmission path. | 06-06-2013 |
20130180810 | Disc Brake for a Motor Vehicle and Brake Pad Assembly Therefor - A disc brake for a motor vehicle includes a spring arrangement mounted on at least one mounting tongue of a brake pad carrier. The spring arrangement provides a predetermined spring travel, which is dimensioned such that a movement of the brake pad carrier for actuating the brake is permitted without brake pad wear compensation and such that when using up the predetermined spring travel the brake pad arrangement contacts the spring arrangement for brake pad wear compensation and moves the latter within a brake pad arrangement guide in order to compensate brake pad wear. | 07-18-2013 |
20130186716 | DISK BRAKE - Disclosed herein is a disc brake which may improve restoration of a piston which occurs when braking operation is terminated. | 07-25-2013 |
20140000990 | BRAKE DEVICE | 01-02-2014 |
20140069750 | ELECTRIC BRAKE DEVICE AND METHOD FOR CONTROLLING ELECTRIC BRAKE DEVICE - A brake actuator converts the rotation of an electric motor into a linear movement to transmit the linear movement to a piston and, by the piston, presses a brake pad against a disc rotor to generate a brake force on a wheel. When a braking operation is finished, a brake control device rotates the electric motor in a direction corresponding to a return direction and detects a rotational position of the electric motor when the brake force is removed. The brake control device further rotates the electric motor in the return direction and restricts the rotation of the electric motor by a lock mechanism after adjusting the rotational position of the electric motor so that the difference between the rotational position when the brake force is removed, and the present rotational position of the electric motor comes into a reference rotational range. | 03-13-2014 |
20140083804 | DISK BRAKE DEVICE - A disk brake device has a rotor having a braking surface, a caliper, an outer pad and an inner pad each disposed to face the braking surface, and a braking operation mechanism which performs an operation of pressing the two pads against the braking surface. The braking operation mechanism includes a base plate, a wedge plate which holds the inner pad, a first movement conversion mechanism which moves the wedge plate in a direction perpendicular to the braking surface, while moving the wedge plate to slide relative to the base plate in a rotating direction of the rotor in parallel to the braking surface, an electric motor unit which outputs a rotational driving force, and a second movement conversion mechanism which moves, using the rotational driving force of the electric motor unit, the wedge plate to slide in the rotating direction of the rotor in parallel to the braking surface. | 03-27-2014 |
20140151163 | AIR DISC BRAKE ADJUSTER FOR IMPROVED RUNNING CLEARANCE - A wear adjuster, securable to disc brake caliper structure includes, a stem extending along an axis about which the stem is rotatable in opposite directions, a spindle driver securable to an axial end of the stem to transmit rotational motion of the stem to an adjusting spindle, and an input element receiving input force supplied to the wear adjuster to produce rotation of the stem. A running clearance element is rotatable together with the input element to a limited extent, and a ratchet arrangement, located between the input element and the running clearance element, initiates any necessary adjustment for wear after rotation of the input element beyond the limited extent, and completes such adjustment during return rotation of the input element. To avoid transmitting an excessive amount of the input force received by the input element, a lost motion connection is defined between the ratchet arrangement and the input element. | 06-05-2014 |
20140166412 | VEHICLE BRAKE ASSEMBLY - A vehicle brake assembly including a brake caliper defining a caliper housing and defining a plane of rotation of a brake disc, the housing having an opening facing the plane of rotation of a brake disc, a cover plate for closing the opening and an actuator assembly at least partially mounted in the housing, wherein the actuator assembly includes at least one piston for moving a friction element into contact with a brake disc, an adjuster mechanism for adjusting the effective length of the at least one piston, the adjuster mechanism including an adjuster shaft, the adjuster shaft being fixed to the cover plate by a spring clip arrangement. | 06-19-2014 |
20140209418 | Disc Brake, in Particular for a Commercial Vehicle, and Brake Pad for a Disc Brake - A disc brake, in particular for a commercial vehicle, including a brake caliper, which reaches over a brake disc and in which brake pads are positioned that can be pressed against the brake disc on both sides by means of at least one brake application device and that each have a lining carrier plate and a friction lining fastened thereto. The brake application device has at least one brake piston that acts on the lining carrier plate at the end face of the brake piston. The disc brake is designed such that at least one of the brake pads is supported in an articulated, preferably pivotable, manner in the radial direction of the brake disc. | 07-31-2014 |
20140238788 | Adjustment Device for a Disc Brake - An adjustment device is provided for adjusting the wear of brake pads and a brake disk of a disc brake, in particular of a pneumatically actuated disc brake. The disc brake includes a brake application device actuated by a rotary lever, which brake application device has an adjusting spindle into which the adjustment device is insertable. The adjustment device is attached to a brake caliper of the disc brake by way of a bearing disk. The adjustment device is provided with a spindle and at least one friction pairing, each friction pairing having two contact surfaces. The friction pairing has a curved cross-section of at least one of its two contact surfaces. | 08-28-2014 |
20150047929 | BRAKE SYSTEM AND METHOD OF ADJUSTING A BRAKE - A brake system and method of adjusting a brake. The method may include the steps of providing a mechanically operated brake including friction material, providing a rotor, providing an adjuster for adjusting a running clearance between the friction material and the rotor, providing a sensor system for determining a likelihood of a braking event, and upon a determination of a change in the likelihood of a braking event operating the adjuster to adjust the running clearance of the brake. | 02-19-2015 |
20150053511 | DISC BRAKE - Disclosed is a disc brake including a carrier on which a pair of pad plates are movably installed and a caliper housing, which is slidably installed on the carrier and is provided with a cylinder having a piston mounted so as to move forward and backward by a hydraulic braking pressure, the disc brake including: an adjuster installed in the piston to prevent the pad plates from moving away from a disc and to maintain the pad plates at a constant distance from the disc; a push rod installed in the cylinder, a front portion thereof being screw-coupled to the adjuster and a rear portion thereof being provided with a flange extending toward an inner circumferential surface of the cylinder; a ramp unit into which the rear portion of the push rod is inserted and which is installed in the cylinder and compresses the push rod toward the piston in cooperation with a parking cable to prevent rotation of the push rod; a spring case having an end portion of one side thereof fixed to the cylinder and forming a predetermined accommodation space between the inner circumferential surface of the cylinder and the push rod; a first elastic member and a second elastic member arranged in series with each other in the accommodation space of the spring case to provide elastic force to the push rod; and a support plate supported by an end portion of the ramp unit and interposed between the first elastic member and the second elastic member. | 02-26-2015 |
20150068852 | Wear Adjustment Device of a Disc Brake and Corresponding Disc Brake - A wear adjustment device is provided for the adjusting friction surface wear on a brake pad and a brake disc of a disc brake having a brake application device, preferably with a rotary lever. The wear adjustment device can be coupled on the drive side to the brake application device, and on the output side to a spindle unit. A respective rolling body arrangement is axially arranged on both sides of a drive element, one of which is designed as a roller bearing and one is designed as a ball ramp coupling. A central shaft is coupled to the ball ramp coupling and has an output interface for coupling to the spindle unit. A radial freewheel is coupled to the ball ramp coupling by an overload spring unit and to the central shaft. A directionally-dependent torque device is provided, along with a housing in which the drive element, the rolling body arrangements, the overload spring unit, the radial freewheel, the central shaft and the directionally-dependent torque unit are arranged. | 03-12-2015 |
20150122594 | BRAKE ACTUATOR FOR AIRCRAFT WHEEL HYDRAULIC BRAKE - A brake actuator for an aircraft hydraulic brake, insertable in a cavity of a brake ring. The actuator comprises a liner ( | 05-07-2015 |
20150122595 | BRAKING ACTUATOR FOR A HYDRAULIC BRAKE OF AN AIRCRAFT WHEEL - A braking actuator for a hydraulic aircraft brake, received in a cavity of a ring of the brake. The actuator comprises a liner structure ( | 05-07-2015 |
20150122596 | Brake Caliper - A brake caliper of a hydraulic brake system comprises several pistons, each of which is slidably disposed in a cylinder along the axis of the cylinder, several brake pads that are forced against a brake disk by the pistons upon actuation of the brake, and at least one spring device having a base and opposite legs that extend from the base to the brake pads. The opposite legs extend from a side of the base to a brake pad that is disposed on the opposite side. | 05-07-2015 |
20150308525 | DISC BRAKE - Disclosed herein is a disc brake. The disc brake which has a carrier in which a pair of pad plates are installed retractably and a caliper housing having a cylinder that is slidably installed in the carrier and in which a piston is installed retractably by a braking hydraulic pressure includes an adjuster that is installed inside the piston to prevent the pad plate from being away from the disc and maintain a predetermined running clearance between the disc and the pad plate, a push rod whose front portion is screwed to the adjuster and whose rear portion extends toward an inner circumferential surface of the cylinder so that rotation is prevented, and that includes a flange portion installed inside the cylinder, a ramp that is disposed on a front side of the flange portion, and in which a first elastic member for providing an elastic force to the push rod is integrally provided, a spring case whose one end is fixed to the cylinder, and that forms a predetermined accommodating space between the inner circumferential surface of the cylinder and the push rod, and a second elastic member that is provided in the accommodating space of the spring case to provide an elastic force to the ramp and the push rod. Here, the first and second elastic members are arranged in series, and the first elastic member is bent so that a part of the ramp is elastically deformed. | 10-29-2015 |
20150314758 | A DISC BRAKE SYSTEM FOR A MOTOR VEHICLE, HAVING A BRAKE MECHANISM WITH A REDUCED SIZE - A brake system includes a brake disc, rotary movable around a disc axis, and a brake mechanism. The brake mechanism includes a brake pad, movable in a first direction, a cylinder having a piston movable in a second direction, a lever rotary movable around a lever axis, the lever being connected to the piston, a cam element, arranged to convert a rotary motion of the lever around the lever axis, into a translation motion in the first direction, and a rod, expanding between the brake pad and the cam element. The lever, the cam element and the rod are housed in a housing. Considering a plane including the disc axis and the first direction, the lever axis is inclined relative to the plane, at an angle different from 90°. | 11-05-2015 |
20150362034 | ELECTRO-MECHANICAL BRAKE - Provided is an electro-mechanical brake having a wear compensation function including a carrier fixed to a vehicle body, a brake disk rotatably installed in a wheel of a vehicle, a pad unit including an inner pad disposed on one side of the disk and an outer pad disposed on the other side of the disk, a moving unit configured to move the pad unit in a direction toward the disk, and a wear compensating unit installed between the carrier and the moving unit and moving the pad unit in the direction toward the disk through the moving unit when the pad unit wears in order to maintain the corresponding state, wherein a distance between the pad unit and the disk is maintained within a predetermined distance by the wear compensating unit. | 12-17-2015 |
20160017946 | Disc Brake, Brake Actuation Mechanism For Such A Disc Brake And Method For Brake Adjustment - A disc brake including a brake actuation mechanism and an adjustment mechanism, which is configured to provide, in addition to a reduction of the clearance between a brake pad and a brake disc during brake application, a further increase of the clearance during brake release motion with a value, which may be smaller, equal or larger than the previous clearance reduction. The brake actuation mechanism for that purpose could provide a different regulator unit. Moreover, the invention suggests a method for adjusting the clearance between a brake pad and a brake disc providing a clearance increase during brake release motion, accordingly. | 01-21-2016 |
20160102721 | RETURN SPRING OF A BRAKE SHOE INCLUDING WEAR PLAY COMPENSATION MEANS, DISK BRAKE AND REPLACEMENT KIT | 04-14-2016 |
20160131213 | PAD REPLACEMENT KIT, CALIPER BODY, PAD AND INSERT ASSEMBLY AND METHOD OF EXERTING A MODIFIED BRAKING ACTION - A caliper assembly ( | 05-12-2016 |
20160169309 | BRAKE ACTUATOR FOR AIRCRAFT WHEEL HYDRAULIC BRAKE | 06-16-2016 |
20180023644 | Disk Brake Device with Disk Pad Guiding Structure | 01-25-2018 |
188710900 | Including unidirectionally rotating screw | 15 |
20090314589 | DISC BRAKE, IN PARTICULAR FOR COMMERCIAL VEHICLES - The invention relates to a disc brake, in particular for commercial vehicles, having a brake calliper, an adjusting device which has an adjusting shaft which extends into a through opening of the brake calliper, and a sealing device for sealing an annular space between the adjusting shaft and an inner wall which delimits the through opening. According to the invention, a holding device which can be attached releasably to the brake calliper is provided for holding the sealing device with regard to the brake calliper in the axial direction of the adjusting shaft. | 12-24-2009 |
20100072003 | Hydraulic Disc Brake Having a Parking Brake Mechanism - A hydraulic disc brake includes at least one brake piston that acts upon a brake pad and a parking brake mechanism. A return piston is accommodated in a piston head having a recess. The piston head faces the brake pad. | 03-25-2010 |
20110017553 | DISK BRAKE DEVICE - A cam housing assembly oscillates in association with rotation of an eccentric cam which is attached to a camshaft and is allowed to press a clutch by cam pins of the cam housing assembly. A pair of piston assemblies are provided of which each includes a piston which can slide within a sleeve, a spindle and a nut which screws on to the spindle and are supported in hole portions in a caliper body so as to oscillate therein, whereby a brake pad is pressed against by a plug after the spindle, the nut and the piston are sequentially pressed by pressing a clutch by the cam pins. Since the spindle and the nut are screwed on to each other through a reversible screw, a gap is adjusted automatically as the pad wears. | 01-27-2011 |
20130098715 | Disc Brake of Hydraulic Self-Energizing Design with Force Transmission Unit - A self-energizing disc brake includes a brake-internal hydraulic arrangement with a supply circuit and an expansion vessel; a brake application device having a cylinder for applying a brake pad toward a brake disc; a force transmission unit supporting the brake pad at a wedge angle on the brake application device; a tangential-force absorbing cylinder for switching over the wedge angle, which is operatively connected to the force transmission unit; an electric-motor actuator for acting on the brake application device via the hydraulic arrangement; and a control unit. The force transmission unit has a deflection lever and a shoulder element attached thereto. Rolling surfaces thereof are in contact with respective corresponding rolling surfaces of a brake application element of the cylinder and a brake pad support device. The deflection lever has a pressure section with a rolling surface in operative connection with the tangential-force absorbing cylinder. | 04-25-2013 |
20130098716 | Disc Brake of Hydraulic Self-Energizing Design with Adjusting Device - A self-energizing disc brake includes a brake-internal hydraulic arrangement with a supply circuit and an expansion vessel, a brake application device with a brake application cylinder for applying a brake pad in the direction of a brake disc, a force transmission unit which supports the brake pad at a wedge angle on the brake application device, a tangential-force absorbing cylinder for switching over the wedge angle and being operatively connected to the force transmission unit; an electric-motor actuator which acts on the brake application device via the hydraulic arrangement, a distributor cylinder arranged in series between the electric-motor actuator and the brake application device for pressure boosting, and a control unit for controlling switchover of the wedge angle between the tangential-force absorbing cylinder and the electric-motor actuator. An adjusting device adjusts brake pad wear, and has a movable screw spindle, which is operatively connected to the brake application device. | 04-25-2013 |
20130299287 | VEHICLE DISC BRAKE ASSEMBLY HAVING A MECHANICALLY ACTUATED PARKING BRAKE - A vehicle disc brake assembly having a mechanical parking brake comprises: a piston carried by the brake assembly, the piston having a bore provided with an inner cone surface and an internal groove formed in an inner wall of the bore; an adjusting strut part disposed within the piston bore, the strut part having a flange configured to contact the inner cone surface; and a single, one-piece clutch spring carried by the strut part within the piston bore; wherein the clutch spring includes a main body having a plurality of legs extending therefrom, each of the legs including an outermost remote end configured to be received in the groove of the piston to secure the clutch spring within the piston and each of the legs configured to provide a spring force operative to bias the flange of the strut part against the inner cone surface of the piston. | 11-14-2013 |
20140048358 | DISK BRAKE AND ADJUSTING DEVICE FOR A DISK BRAKE - The invention relates to a disk brake, in particular for utility vehicles, having a brake application shaft and having an adjusting device for wear-dependent adjustment, wherein a rotational axis of the brake application shaft is perpendicular to a rotational axis of the adjusting device and a pin serves to couple the brake application shaft to the adjusting device. A longitudinal axis of the pin encloses an acute angle with the rotational axis of the brake application shaft. The invention also relates to an adjusting device for a disk brake, in particular for utility vehicles, having an adjusting element in the form of an adjusting nut or an adjusting screw, and having a slipping clutch for limiting the torque which can be transmitted to the adjusting element. The slipping clutch has a friction element which is rotationally coupled to the adjusting element in both rotational directions. | 02-20-2014 |
20140174862 | Disc Brake for a Commercial Vehicle - A disc brake for a commercial vehicle includes a brake caliper which extends over a brake disc, a brake application device which is arranged in the brake caliper for pressing brake pads against the brake disc, and at least one adjustment spindle which is rotatably mounted in a bridge via a threaded coupling. A wear adjusting device is positioned in the brake caliper by which a wear-induced change of the clearance between the brake pad and the brake disc can be substantially compensated for via an axial movement of the adjusting spindle. The disc brake is designed such that the adjusting spindle has at least one axial groove on an outer side, the length of the groove being limited in the direction of the brake application device. A stop, which is axially fixed relative to the bridge, engages into the axial groove in a relatively displaceable manner. | 06-26-2014 |
20140216863 | Disc Brake for a Commercial Vehicle - A disc brake for a commercial vehicle includes a brake caliper that straddles a brake disc, a brake application device, arranged in the brake caliper, for pressing brake pads against the brake disc. Two parallel, spaced-apart adjusting spindles are mounted in a rotatable manner via a corresponding thread, in a bridge of the brake application device. A wear adjusting device is arranged in the brake caliper and compensates for a wear-related change in the clearance between the brake pad and the brake disc by axially moving the adjusting spindles. A synchronizing device includes a traction drive mechanism which allows the two adjusting spindles to be synchronously rotated. The fraction drive mechanism has a traction mechanism that meshes in a force transmitting manner with drive gears which are effectively connected to the adjusting spindles for conjoint rotation therewith. Each drive gear includes at least one form-fitting element which engages with an outer axial guide of the associated adjusting spindle. | 08-07-2014 |
20140262632 | Functional Unit for Adjusting a Brake Pad of a Disc Brake - A functional unit is provided for adjusting a brake pad of a. disc brake, haying the following function parts: a guide rail, two adjusting spindles, arranged parallel to and spaced apart from each other in the guide rail and held in an axially moveable manner, and a synchronization device for synchronously adjusting the adjusting spindles, wherein the functional parts are pre-mounted into one assembly. | 09-18-2014 |
20150375763 | BRAKE UNIT FOR A VEHICLE AND VEHICLE HAVING SUCH A BRAKE UNIT - A brake unit for a vehicle has a brake cylinder, a brake piston guided axially in the brake cylinder and a device for adjusting a clearance. The device has two first stops, which strike against each other when the brake unit is opened, and two second stops, which strike against each other when the brake unit is closed. One of the first stops is formed on a blocking element functionally connected to the brake piston. One of the second stops is formed on the blocking element. A blocking member is in engagement with the blocking element under the force of a pre-stressing spring such that the blocking element is blocked by the blocking member when the first stops strike and can continue to latch in relation to the blocking member under the force of the brake piston when the second stops strike. | 12-31-2015 |
20160032996 | Disc Brake Having a Bidirectional Wear Adjustment Device and Bidirectional Wear Adjustment Device - A disc brake, in particular for a motor vehicle, has a brake application device, preferably with a brake rotary lever, at least one spindle unit having at least one threaded tube with an external thread that cooperates with an internal thread of a bridge, and at least one bidirectional wear adjustment device which is coupled to the brake application device, preferably to the brake rotary lever. The bidirectional wear adjustment device has an adjustment arrangement and at least one preloading arrangement which is designed to influence a flank position of a thread pairing of the external thread of the at least one threaded tube and the associated internal thread of the bridge. | 02-04-2016 |
20160137213 | CALIPER BRAKE DEVICE FOR RAILWAY VEHICLE - A tip of a pneumatic brake cylinder device is attached rotatably at a base side of a caliper body, and a base end of a first brake lever is attached rotatably to an end part of a cylinder at a side opposite to where the rod protrudes. A center part of the first brake lever is rotatably attached to the body. A front part end of a second brake lever is rotatably attached to a tip of the body, and the base ends thereof come into contact with a tip of the first brake lever. A brake lining and a brake head are attached on an inner surface at a tip of a pressing-force transmission member disposed at a center part front part of the second brake lever. A torque-receiving pin tip is immobilized at the brake head, and a shaft is held on the body via a spherical washer. | 05-19-2016 |
20160160949 | BRAKE ASSEMBLY AND METHOD OF CONTROL - A brake assembly that may include a housing assembly, a piston assembly, an operating shaft, and a sensor assembly. The operating shaft may be configured to rotate about an axis to actuate the piston assembly and translate a brake pad assembly from a retracted position to an extended position. The sensor assembly may be configured to detect rotation of the operating shaft. | 06-09-2016 |
20160186827 | DISC BRAKE, IN PARTICULAR FOR COMMERCIAL VEHICLES - A disc brake, in particular for commercial vehicles, has an adjustment device for compensating for brake lining/brake disc wear. The adjustment device is arranged at least partially inside an interior space of the brake caliper and has an adjustment gear with an adjustment nut having an internal thread, and an adjustment spindle screwed therein with an external thread. For adjustment during normal operation of the brake, the adjustment nut is rotated in relation to the adjustment spindle, which is fixed against rotation. A first sealing device at least partially seals off an annular space on the brake disc side between the inner wall of a through-opening in the brake caliper and the axially adjustable adjustment spindle, which extends through the through-opening and toward one of the brake linings, wherein the first sealing device is held on the caliper at one end. | 06-30-2016 |