Bendix Spicer Foundation Brake LLC Patent applications |
Patent application number | Title | Published |
20150240859 | LOCK WASHER - A lock washer for releasably locking a fastener to an object is provided. The washer includes a body defining a bore configured for alignment with a bore disposed in the object. The bores are configured to receive a shank of the fastener and are disposed about a center axis along which the fastener extends. The washer further includes one or more fingers each having a first end coupled to the body and a second end configured to selectively engage a flat on either a head of the fastener or a nut. The finger is movable between a disengaged position wherein the second end of the finger is configured for disengagement from the flat and an engaged position wherein the second end of the finger is configured for engagement with the flat. The finger is biased towards the engaged position. | 08-27-2015 |
20150096849 | Brake Carrier Mounting Arrangement - A mounting arrangement for a disc brake is provided, in which a torque plate affixed to a vehicle axle and a brake caliper mounting frame affixed to the torque plate have corresponding opposing projections and recesses provided to laterally and circumferentially limit relative motion between the torque plate and the mounting frame. A wedge element with at least one angled face is located between correspondingly-angled faces of the mounting frame and/or the torque plate to generate lateral and/or circumferential loading in response to tightening of vertically-oriented fasteners. The use of the angled components substantially reduces the amount of loading required to be applied by the vertical fasteners to resist relative motion between the torque plate and the mounting frame. | 04-09-2015 |
20150096847 | Rotary Lever Disc Brake Caliper with Rack and Pinion Mechanism - A rotary lever disc brake actuating mechanism and a method for operating the rotary lever disc brake mechanism is provided. The mechanism includes a rotary lever which rotates a pinion to further rotate brake pad application racks. The racks are arranged to rotate toward an inboard brake pad to advance the brake pad toward a brake disc. The racks may further cooperate with lateral pins fixed to an outboard portion of the brake such that the outboard portion simultaneously advances an outboard brake pad toward the brake disc when the racks rotate. The brake mechanism may be assembled into a cartridge to be placed within an inboard portion of a brake caliper. The brake caliper may be located on a caliper mount via adjustment pins, whereby during new brake pad installation the caliper is self-centered by application of the brake, followed by securing the caliper to the adjustment pins. | 04-09-2015 |
20150047931 | Heavy Duty Stamped Spider - A brake spider for a drum brake is provided. The brake spider includes a mounting portion configured for mounting the spider to a vehicle frame and an anchor pin support portion extending from the mounting portion. The mounting portion defines an aperture centered about a first axis and configured to receive a vehicle axle extending therethrough along the first axis. The anchor pin support portion includes a pin receiving section defining a bore centered about a second axis and configured to receive an anchor pin extending therethrough along the second axis. The pin support portion further includes bracket support sections extending axially from opposite sides of the pin receiving section. The bracket support sections face one another and diverge from one another approaching the mounting portion of the spider. | 02-19-2015 |
20150035350 | Biased Double Check Valve for Brake System - A brake system and a valve device for a brake system are provided which provide at least partial front brake actuation in the event of a failure in the front brake pneumatic supply circuit. The valve device may be configured as a biased orifice double check valve which permits compressed air flow from the front brake pneumatic supply circuit to a front brake actuator during normal brake operation, but in the event of lack of sufficient front brake pneumatic pressure permits compressed air to be supplied to the front brake actuator from a rear brake pneumatic supply circuit, as well as permitting compressed air in the front brake actuator to be ventilated back through the rear brake pneumatic supply circuit when the brake is released. | 02-05-2015 |
20150014103 | Brake Pad Retention Device and Method - A brake pad retaining device is provided for holding a brake pad within a brake caliper of an air disc brake system. The device may be formed as a spring which provides at least four retention forces at longitudinal ends of the brake pad in order to suppress brake pad kick motion and vibration, while applying a biasing force that pre-loads a caliper to its mounting pins. The device may include a mounting section that is coupled to a brake carrier, a first projection and a second projection. The first projection extends from one region of the mounting section to a region near a longitudinal end of the brake pad to thereby exert a radially inward force against the brake pad. The second projection extends from another region of the mounting section to an inner surface of the brake caliper to thereby exert a biasing force against the brake caliper. | 01-15-2015 |
20140209421 | AUTOMATIC SLACK ADJUSTER WITH CLUTCH RELEASE CAM - An improved self-adjusting automatic slack adjuster for reducing slack in the brake of a vehicle is provided, in which an easily accessible external operating feature permits the automatic slack adjuster's one-way clutch assembly to be readily disengaged to allow smooth release and retraction of the brake shoes of a vehicle brake without damage to the one-way teeth of the clutch assembly. When the external feature is operated in a brake release direction, the motion of the feature is translated into a motion which axially displaces an output part of the one-way clutch away from an input part of the clutch a distance sufficient to disengage the parts' one-way teeth, thereby disengaging the one-way clutch to permit brake shoe retraction without resistance from the one-way clutch. | 07-31-2014 |
20140144735 | NESTED COMPOSITE BRAKE DRUM - A brake drum is provided having an inner drum defining an outboard, radially inwardly extending flange. The flange defines a first plurality of apertures configured to receive fasteners for coupling the inner drum to a wheel. The inner drum further defines a braking surface. The brake drum further includes an outer drum configured to receive the inner drum therein. The outer drum defines an outboard, radially inwardly extending flange defining a second plurality of apertures aligned with the first plurality of apertures and configured to receive the fasteners for coupling the outer drum to the wheel. The inner drum is comprised of a first material such as iron while the outer drum is comprised of a second material such as aluminum. | 05-29-2014 |
20140116823 | EXTRUDED TABLE FOR A BRAKE SHOE - A brake shoe for a drum brake includes an arcuate brake table defining radially inner and outer sides. First and second webs are disposed on the radially inner side of the brake table and configured to support the brake table. One or more brake linings are disposed on the radially outer side of the brake table. In one embodiment, the brake table defines a plurality of fins projecting radially inwardly from the radially inner side of the brake table, each of the plurality of fins having a length in a radial direction. In another embodiment, the brake table is a unitary body and is configured at first and second ends and a point intermediate the first and second ends to engage first and second brake linings and prevent circumferential movement of the first and second brake linings relative to the brake table. The brake table may comprise extruded aluminum. | 05-01-2014 |
20140116819 | BRAKE HAVING LEVER AND IDLER BRAKE SHOES - A brake includes a pair of lever brake shoes and a pair of idler brake shoes. The lever brake shoes are each pivotally coupled to a brake spider at a first end. The idler brake shoes are each pivotally coupled to the brake spider at a first end and to corresponding ones of the first and second lever brake shoes at a second end. The pivotal connections to the brake spider may be different for each of the lever and idler brake shoes. An actuating member engages the second end of each of the lever brake shoes and causes the lever brake shoes and idler brake shoes to move between positions of engagement and disengagement with a braking surface. The linings on the lever brake shoes may be circumferentially nearer to the first ends of each shoe than the second end of each shoe. | 05-01-2014 |
20140048362 | Disc Brake Pad Mounting and Retention System and Method - A system and method are provided for mounting, removing and retaining brake pads in disc brakes, such as air-operated disc brakes utilized on commercial vehicles, in a manner which does not require the use of separate brake pad retaining devices while providing positive retention of the brake pad. A preferred embodiment includes a brake caliper mount having brake pad abutment surfaces having radially-oriented and lateral grooves which permit a brake pad with corresponding projections on is lateral sides to be inserted through an opening of the brake caliper into the radially-oriented grooves until the backing plate projections are aligned with the lateral groove, and advancing the brake actuator behind the brake pad to place the brake pad in an operating position in which the actuator prevents the brake pad from realigning with the radially-oriented grooves until the actuator is retracted to permit brake pad extraction. | 02-20-2014 |
20140048360 | Disc Brake Pad Mounting and Retention System and Method - A system and method are provided for mounting, removing and retaining brake pads in disc brakes, such as air-operated disc brakes utilized on commercial vehicles, in a manner which does not require the use of separate brake pad retaining devices while providing positive retention of the brake pad. A preferred embodiment includes a brake caliper mount having brake pad abutment surfaces having radially-oriented and lateral grooves which permit a brake pad with corresponding projections on is lateral sides to be inserted through an opening of the brake caliper into the radially-oriented grooves until the backing plate projections are aligned with the lateral groove, and advancing the brake actuator behind the brake pad to place the brake pad in an operating position in which the actuator prevents the brake pad from realigning with the radially-oriented grooves until the actuator is retracted to permit brake pad extraction. | 02-20-2014 |
20140047690 | Disc Brake Pad Mounting and Retention System and Method - system and method are provided for mounting, removing and retaining brake pads in disc brakes, such as air-operated disc brakes utilized on commercial vehicles, in a manner which does not require the use of separate brake pad retaining devices while providing positive retention of the brake pad. A preferred embodiment includes a brake caliper mount having brake pad abutment surfaces having radially-oriented and lateral grooves which permit a brake pad with corresponding projections on is lateral sides to be inserted through an opening of the brake caliper into the radially-oriented grooves until the backing plate projections are aligned with the lateral groove, and advancing the brake actuator behind the brake pad to place the brake pad in an operating position in which the actuator prevents the brake pad from realigning with the radially-oriented grooves until the actuator is retracted to permit brake pad extraction. | 02-20-2014 |
20130239798 | Non-Pressure Plate Stone Shield with Energy Absorbing Lugs, and Pushrod Shield for Welded Clevis - A fluid pressure operable actuator includes a housing, with an end wall, and a pushrod projecting through an opening in the end wall for reciprocation upon service pressure application or release. A shield, configured as an annulus, is disposed on the pushrod to restrict contamination of an interior chamber of the actuator housing through a gap existing between an edge of the opening and a pushrod outer surface. To facilitate connecting the shield and the pushrod together, the annulus has a slit with an enlarged void at a radially outer end of the slit. This enlarged void engages an outer pushrod surface as the shield and the pushrod are joined. | 09-19-2013 |
20130092483 | Apparatus and Method for Preventing Parking Brake-Caused Vehicle Disabling - An apparatus and method for preventing parking brake-caused disabling of a vehicle is provided. In at least one of the vehicle's parking brake release actuators' supply lines there is provided a flow arrangement which allows parking brake release fluid to flow to and from the release actuator when its supply line is undamaged, and restricts flow from the release pressure source when the line between the flow arrangement and the actuator is damaged. The flow arrangement may be a pilot-operated, non-graduated control valve, a combination of a pressure protection valve and a check valve arranged in parallel, a velocity-sensing check valve, or any other device or combination of devices which provide the damaged line shutoff or metering functionality. Such an arrangement prevents automatic application of the parking brake by releasing pressure from all of the vehicle's parking brake actuators, thereby precluding automatic vehicle immobilization following damage at one wheel end. | 04-18-2013 |
20130075212 | Parking Brake Chamber Internal Breathing System - A spring-type brake actuator for a pneumatically-operated vehicle brake is provided, in which the portion of the brake actuator containing the parking brake actuation power spring is arranged to be vented to atmosphere but not to permit entry of outside environmental air into the power spring chamber, the spring-type brake actuator being provided with an internal breather valve which permits clean dry air from the parking brake release chamber to enter the power spring chamber which the pressure difference between the chambers falls to within a predetermined pressure range. | 03-28-2013 |
20130075211 | Parking Brake Piston for a Parking Brake Chamber - A spring-type brake actuator for a pneumatically-operated vehicle brake is provided, in which the parking brake release piston is formed from at least one stamped actuator piston plate, preferably a stamped aluminum plate. Preferably the biasing force of the power spring of the spring brake actuator bears on a stamped spring seat cap element which is interposed between the power spring and the stamped actuator piston plate. In addition, the parking brake release piston flexible diaphragm may be captured between the stamped actuator piston plate and a stamped backing plate by affixing the backing plate to a joining member, where the joining member includes a threaded insert to receive a manually-actuated parking brake release actuation tool. | 03-28-2013 |
20130075206 | Parking Piston Direct Connection to APR Rod - In a brake actuator including a plurality of actuator housing portions, a diaphragm seal, partially delimiting a parking brake de-actuation chamber, is retained between adjacent actuator housing portions, and an elastic element disposed between the diaphragm seal and one of the housing portions opposes expansion of the parking brake de-actuation chamber. A push rod extends into and out of a service brake actuation chamber upon respective release of fluid pressure from the parking brake de-actuation chamber and supply of fluid pressure to the parking brake de-actuation chamber. In order to constrain a central portion of the diaphragm seal for movement together with both the push rod and a piston, a clamping arrangement is used to axially clamp the central diaphragm seal portion between an end of the push rod and a surface of the piston. | 03-28-2013 |
20130024154 | Method and System for Evaluating Characteristics of an S-cam - A system and method for evaluating characteristics of an S-cam are provided. The inventive method includes the step of obtaining angle values and displacement values indicative of an angle of rotation of the S-cam and displacement of a cam follower caused by rotation of a lobe of the S-cam. The method further includes the step of determining a profile for the lobe of the S-cam responsive to the angle values and the displacement values. The method further includes the steps of computing a deviation of the profile from a desired profile for the lobe of the S-cam and determining a rate of change in the deviation of the profile. In addition, the system and method may evaluate characteristics such as the concentricity of the S-cam and power transfer characteristics of the S-cam. | 01-24-2013 |
20120298454 | Brake Pad Retention System - An improved approach to brake pad retention within a brake caliper is provided by a brake pad and brake caliper system in which brake pad retention features are provided on one of the brake pad or the caliper, with corresponding holes for receiving the retention features being provided on the corresponding pad or caliper part. The retention feature may be pin affixed to or integrally formed with the brake pad backing plate, about which a self-retaining spring bushing is located. The spring bushing and the corresponding retention feature receiving hole are sized so that the spring bushing is radially compressed when the brake pad is installed in the brake caliper by an amount sufficient to retain the brake pad in the caliper while still allowing the brake pad to move tangentially as necessary to transfer braking torque to the axle on which the caliper is mounted. | 11-29-2012 |
20120247885 | Adaptive Torque Plates - An arrangement for securing a carrier for a brake to an axle housing of a vehicle includes a torque plate having an attachment portion securable to the carrier and an annular mounting section securable to a backing plate on the axle housing. The annular mounting section is provided with pluralities of alignment holes and mounting slots, permitting adjustment of a torque plate clocking angle. By way of a torque plate configured in accordance with this invention, clocking angle adjustments can be made in increments of under three degrees. | 10-04-2012 |
20120145839 | Clamping Cam Tube Support - A support arrangement, operable to clamp a cam tube for a drum brake assembly in position relative to an adjacent vehicle component, includes a first jaw having a first pair of arms, each of which has an one opening in an inclined end section, a second jaw having a second pair of arms, each of which has an opening in an inclined end section, and a base associated with the vehicle component and having a third pair of arms. Each of the third pair of arms also has an opening in its end section. Bolts or other such fastener elements are receivable within aligned sets of openings in the first, second, and third pairs of arms, permitting displacement of the first and second jaws relative to the base upon adjustment of the fasteners so that the jaws grip the tube and clamp the tube in its proper position. A clamping process is also described. | 06-14-2012 |
20120043175 | High Resolution One-Way Clutch with Graduated Saw-Tooth Engagement for an Automatic Slack Adjuster - An automatic slack adjuster one-way clutch includes a first part, which is rotatable about an axis in both a drive direction and a slip direction opposite to the drive direction, and a second part, which is driven about the axis by the first part only when the first part rotates in the drive direction. The second part is not driven by the first part when the first part rotates in the slip direction. Multiple movable teeth, carried by one of the parts, are displaceable axially relative to both of the parts and engage between teeth immovably fixed on the other of the parts. The first part may be either an input part or an output part of the clutch. | 02-23-2012 |
20120031716 | VARIABLE POSITION ANCHOR ASSEMBLY FOR ADJUSTING BRAKE SHOES IN A DRUM BRAKE - An anchor assembly is provided that permits adjustment of the brake shoes in a drum brake to account for wear. The assembly includes first and second adjuster shafts each having a plurality of threads and first and second pilot connectors. The pilot connectors each have a plurality of threads in engagement with the threads of a corresponding adjuster shaft. The pilot connectors each engage one end of a corresponding brake shoe. Rotation of each adjuster shaft causes longitudinal movement of a corresponding pilot connector in engagement with a corresponding brake shoe along an axis to adjust a position of the brake shoe. | 02-09-2012 |
20110311170 | Snap-In Center Seal Bushing - A bushing adapted to secure an O-ring seal in position relative to an area of a passage permitting reciprocation of a push rod forms a generally circular bushing body with opposed end faces. The end faces are separated by a gap so as to provide the bushing with an approximately C-shaped structure. The bushing includes a plurality of locking elements resistant to axial loads imposed on the bushing by the push rod disposed at least substantially within a corresponding plurality of recesses distributed around a circumferential exterior of the bushing. Solid ribs are interspersed with the locking fingers to resist radial loads imposed on the bushing by the push rod during operation. The O-ring seal is secured in position within the passage area of the passage by an end surface of the bushing. | 12-22-2011 |
20110307091 | Air Disk Brake Caliper Pre-Stressing Method and Pre-Stressed Caliper Apparatus - A cast iron brake caliper with improved fatigue life, and a process and process equipment for pre-stressing a cast iron brake caliper to provide improved fatigue life, is provided. In the process, a load is applied to a cast iron caliper, where the load is high enough to locally yield and plastically deform the cast iron material, but not high enough to cause material failure, such as cracking. Upon load removal, residual compressive stresses in the cast iron caliper lower the mid-point of the stress range the plastically-deformed region of the caliper sees during in-service use, and thereby lowers the peak stress seen in this region, increasing fatigue life. The process permits a cast iron brake caliper to be designed to use less material and thus fit within constrained wheel rim envelopes, without the need to resort to high cost materials or other alternative design strategies. | 12-15-2011 |
20110303496 | Air Disk Brake Caliper Pre-Stressing Method and Pre-Stressed Caliper Apparatus - A cast iron brake caliper with improved fatigue life, and a process and process equipment for pre-stressing a cast iron brake caliper to provide improved fatigue life, is provided. In the process, a load is applied to a cast iron caliper, where the load is high enough to locally yield and plastically deform the cast iron material, but not high enough to cause material failure, such as cracking. Upon load removal, residual compressive stresses in the cast iron caliper lower the mid-point of the stress range the plastically-deformed region of the caliper sees during in-service use, and thereby lowers the peak stress seen in this region, increasing fatigue life. The process permits a cast iron brake caliper to be designed to use less material and thus fit within constrained wheel rim envelopes, without the need to resort to high cost materials or other alternative design strategies. | 12-15-2011 |
20110233013 | Thermal Protection for Disc Brake Components - A disc brake for a motor vehicle is provided. The disc brake includes a brake disc, a brake caliper configured to straddle the brake disc, a tappet carried by the brake caliper and arranged to push a brake pad against the brake disc, and a bellows provided between the brake caliper and the tappet to seal a gap between the brake caliper and the tappet. A layer of flexible thermal insulation material may be provided between the bellows and the tappet. The layer of flexible thermal insulation material is configured to protect an outer surface of the bellows facing the brake pad from exposure to heat. Alternatively, the bellows may include a layer of flexible thermal insulation material on which an elastomer layer is formed. The layer of flexible thermal insulation material is configured to face the brake pad. | 09-29-2011 |
20110221152 | Integral Light Weight Spring Brake Actuator and Mount - An improved integral spring brake actuator and mount is provided in which a portion of the spring brake actuator is integrally formed with a connecting flange and a brake cam shaft support tube. The improved integral spring brake actuator and mount is significantly lighter than previous multi-part built-up spring brake actuators and mounting brackets, decreasing vehicle weight, eliminating the need for costly high-quality welding and lowering manufacturing costs. The integral spring brake actuator and mount may be formed from cast aluminum. | 09-15-2011 |
20110219946 | Non-Threaded Method for Assembling a Center Hole Parking Diaphragm and Adapter Push Rod with a Clip and Washer - A brake actuator having a plurality of actuator housing portions includes a diaphragm seal partially delimiting a parking brake de-actuation chamber and retained between adjacent portions of the housing. To produce brake actuation upon depressurization of the parking brake de-actuation chamber, a push rod extends into and out of a service brake actuation chamber upon release of fluid pressure from and supply of fluid pressure to the chamber. A clip or similar element receivable over the end section of the push rod is securable on the end section to compress the diaphragm seal axially relative to the push rod against a seat carried by the push rod while permitting a radial inner edge of the diaphragm seal to remain spaced from an outer surface of the end section. | 09-15-2011 |
20100236875 | Air Disk Brake Caliper Pre-Stressing Method and Pre-Stressed Caliper Apparatus - A cast iron brake caliper with improved fatigue life, and a process and process equipment for pre-stressing a cast iron brake caliper to provide improved fatigue life, is provided. In the process, a load is applied to a cast iron caliper, where the load is high enough to locally yield and plastically deform the cast iron material, but not high enough to cause material failure, such as cracking. Upon load removal, residual compressive stresses in the cast iron caliper lower the mid-point of the stress range the plastically-deformed region of the caliper sees during in-service use, and thereby lowers the peak stress seen in this region, increasing fatigue life. The process permits a cast iron brake caliper to be designed to use less material and thus fit within constrained wheel rim envelopes, without the need to resort to high cost materials or other alternative design strategies. | 09-23-2010 |
20100193303 | BRAKE SPIDER WELDMENT AND ANCHOR PIN ASSEMBLY - An improved brake spider and anchor pin assembly in which weight, cost, manufacture, axle installation and maintenance is improved over prior brake spider designs. The improved brake spider is built up from light weight, relatively inexpensive stampings which are joined together, for example by welding, to form a strong built-up brake spider component. In one embodiment, two steel stampings formed with flanges and stamped strengthening ribs are welded together to form a hollow, structure which has the strength to withstand high brake force loads and large numbers of brake cycles. The built up brake spider may include one or more captured inserts in the form of anchor pin assemblies and a brake actuator rod pass-through support. The anchor pin insert may be in the form of a trunion having a middle section with a greater diameter than corresponding holes in the shell plates to preclude axial motion. | 08-05-2010 |
20100147636 | Automatic Slack Adjuster with Ball Detent Clutch - An improved self-adjusting automatic slack adjuster for reducing slack in the brake of a vehicle is provided, in which an easily accessible external operating feature actuates a ball detent clutch to permit the automatic slack adjuster's adjustment mechanism to be readily disengaged, so as to allow smooth release and retraction of the brake linings of a vehicle brake without damage to the adjustment mechanism's components. When the torque applied to the external feature exceeds a predetermined torque, the balls of the ball detent clutch move out of their retaining detents, thereby disengaging the slack adjuster's worm shaft from the adjustment mechanism and permitting brake shoe retraction without resistance from the adjustment mechanism. | 06-17-2010 |
20100122879 | Automatic Slack Adjuster With Clutch Release Cam - An improved self-adjusting automatic slack adjuster for reducing slack in the brake of a vehicle is provided, in which an easily accessible external operating feature permits the automatic slack adjuster's one-way clutch assembly to be readily disengaged to allow smooth release and retraction of the brake shoes of a vehicle brake without damage to the one-way teeth of the clutch assembly. When the external feature is operated in a brake release direction, the motion of the feature is translated into a motion which axially displaces an output part of the one-way clutch away from an input part of the clutch a distance sufficient to disengage the parts' one-way teeth, thereby disengaging the one-way clutch to permit brake shoe retraction without resistance from the one-way clutch. | 05-20-2010 |
20100122878 | Self-Setting Automatic Slack Adjuster With Increased Durability - An improved self-adjusting automatic slack adjuster for reducing slack in the brake of a vehicle, in which a one-way clutch assembly is arranged in the housing of the automatic slack adjuster housing such that a thin-wall region of the housing associated with the gear drive of the one-way clutch assembly is located outside of a load path through which brake applications forces are conveyed from a brake actuator to a brake cam shaft upon which the automatic slack adjuster is located. The new positioning of the one-way clutch assembly drive results in unexpectedly lower stress levels in the automatic slack adjuster, resulting a more durable slack adjuster and permitting surprisingly large increases in slack adjuster capacity rating. | 05-20-2010 |
20100018812 | Automatic Slack Adjuster Anchor Unit With A One-Way Clutch - An improved automatic slack adjuster for reducing slack in the brake of a vehicle, in which a one-way clutch assembly is arranged at a side of the automatic slack adjuster housing, and one-way motion-inhibiting pawls in the one-way clutch assembly act on one-way gear teeth disposed on an inner radius of a gear wheel within the assembly whose outer circumference drives a slack adjuster unit. The incorporation of the one-way clutch within the anchor unit of the adjuster provides an automatic slack adjuster which can be produced at a reduced cost, manufactured more easily, and provides for improved adjustment performance with much reduced dependence on the lubricity of grease used. | 01-28-2010 |
20100012444 | Double Dogleg Wide Stance Brake Shoe Web - A drum brake shoe has first and second webs, with the first web including a first end section to be located adjacent a brake shoe actuation element, a second end section to be located adjacent a brake shoe anchor element, and a central section extending between the first and second end sections. Similarly, the second web includes a first end section to be located adjacent the brake shoe actuation element, a second end section to be located adjacent the brake shoe anchor element, and a central section extending between the first and second end sections of the second web. At least one lining table is disposed at circumferentially outer portions of the first and second webs, and a pin or other return spring mounting is provided by at least the first web. The brake shoe is particularly configured so that a brake shoe return spring, which is connectable to the return spring mounting, is positioned so that a center line of the return spring is offset from an axial center line of the lining table but located axially inboard of an outside edge of the second end section of the first web. | 01-21-2010 |
20090243379 | Rear Axle Module with Multiple Modulators - An anti lock braking system for commercial vehicles is described. The system includes a rear axle brake assembly having a rear brake for each rear wheel, a relay valve for controlling rear axle brakes and a plurality of pressure modulator valves operatively connected to the relay valve, each having an outlet connected to one of the rear brakes. Multiple connector cartridges are used to sealingly connect the relay valve to each of the pressure modulator valves. The connector cartridges have a first end defining a non rotation-dependent fitting, such as a cartridge fitting, cooperating with a corresponding port cavity to form the sealed connection. | 10-01-2009 |
20090000882 | Shrink Fitted Caliper Guidance Pins - A guide pin for a sliding disc brake caliper and a carrier for the caliper are attached together by generating a difference in temperatures between a section of the guide pin and a section of the carrier. The section of the guide pin is then inserted into an aperture defined in the section of the carrier. Upon achieving or restoring thermal equilibrium between the guide pin and carrier sections, contact pressure between the section of the guide pin and a surface of the aperture is produced so as to secure the guide pin to the carrier and resist separation of the guide pin from the carrier. | 01-01-2009 |
20080257657 | Wrong Wheel Warning Sensor - A warning system is adapted to indicate disc brake and wheel component incompatibility. The system includes an element having a section that is disposed so as to extend between a non-rotating disc brake component and a rotating contour of the wheel component at a location of minimum clearance between the non-rotating disc brake component and the wheel component. Optionally, the warning system defines part of a brake pad wear indication device. | 10-23-2008 |