Abstract: A brake system that includes a brake caliper comprising an inboard side and an outboard side, the inboard side of the brake caliper includes one or more brake pistons and the outboard side of the brake caliper comprises one or more brake pistons, and a brake pad comprising a first pad section and a second pad section. During a service brake apply, both of the first pad section and the second pad section are moved against a braking surface to create a clamping force. During a parking brake apply, only one of the first pad section and the second pad section is moved against the braking surface to create a clamping force. The first pad section comprises a friction material having a coefficient of friction that is different than a coefficient of friction of the second pad section.

Abstract: A backing plate and associated brake pad that includes a reinforcement plate and a retention plate. The reinforcement plate has an outboard surface, an inboard surface, and a mold hole. The retention plate has an outboard surface, an inboard surface, and a locking projection that cooperates with the mold hole of the reinforcement plate to mechanically lock the retention plate to the reinforcement plate so that the inboard surface of the reinforcement plate faces the outboard surface of the retention plate. A dampening layer may be included between the reinforcement plate and the retention plate.

Abstract: A bracket for a brake assembly and a brake actuator includes a unitary body including a tube configured to receive a camshaft of the brake assembly and an actuator mounting arm disposed proximate a first end of the tube and configured to receive the brake actuator. In some embodiments, the tube includes one or more helical ribs formed on a radially inner surface. The bracket further includes either a brake spider or a brake spider mounting flange disposed proximate a second end of the tube. In either embodiment, material may be omitted in various locations to reduce the weight of the bracket. The bracket may be formed through an additive manufacturing process and in a manner that achieve at least one of a predetermined torsional stiffness and attenuation of a predetermined natural frequency.

Abstract: This brake lining includes: a plurality of friction members which are arranged to be spaced from each other, each of the friction members having a front surface that is to face a sliding surface of a brake disk; a back board fastened to a back surface of each of the friction members; a base plate that supports each of the friction members at a region including a center portion of each friction member; and an elastic member disposed between the base plate and the back board, on a back surface side of each friction member. Two friction members that are adjacent to each other are taken as a pair, and the back board is fastened to each of the pairs of friction members. In each pair of friction members, the two friction members are arranged along the circumferential direction of the brake disk.

Abstract: A brake shoe having brake linings for a brake apparatus includes a carrier element, and a first brake lining segment configured to be mounted on the carrier element, and a second brake lining segment configured to be mounted on the carrier element, the first brake lining segment and the second brake lining segment being spaced apart from one another in a mounted state, and the first brake lining segment and the second brake lining segment differing from one another with regard to material composition, force loading and/or shape to configure a friction profile.

Abstract: A friction disk includes a friction disk core having an inner diameter edge, an outer diameter edge, and a first surface with multiple mortises extending radially across the first surface. The friction disk further includes a first wear liner having two wear liner segments each including a wear surface and a non-wear surface having a tenon with a complimentary shape to each of the multiple mortises, the tenon of each wear liner segment being configured to be received by a corresponding mortise of the multiple mortises to couple the wear liner segments to the friction disk core to form an annular liner.

Abstract: A brake pad for a disk brake for a utility vehicle, includes a pad backplate, which has a pad side with a frictional mass and an application side opposite the pad side. The pad side is provided with a structural arrangement having a plurality of recesses with elevations arranged therein. The structural arrangement of the pad side comprises structural elements which differ in shape and size.

Abstract: A caliper noise prevention device for a vehicle brake may include: a caliper body coupled to a torque member having a friction pad installed therein; a plate disposed so as to face the caliper body; a spacer disposed between the caliper body and the plate, and isolating the caliper body and the plate from each other using an elastic restoring force; and a coupling configured to couple the spacer, the plate and the caliper body to one another.

Abstract: A brake caliper housing includes a first end wall, a second end wall, and a transverse wall that extends from the first end wall to the second end wall. The brake caliper housing includes a first bearing protrusion that extends from the first end wall and the transverse wall, and that defines a first lateral bearing surface and a first arcuate bearing surface that extends from the first lateral bearing surface.

Abstract: A multilayer metal composite includes a metal base layer having a base layer surface textured with a plurality of integral base layer barbs, and a metal substrate layer having a substrate layer surface textured with a plurality of integral substrate layer barbs. The substrate layer is impaled on the base layer barbs to secure the substrate layer to the base layer.

Abstract: Method of obtaining a backing plate (11) for a brake pad (13), comprising the steps of: providing a band (113) of a material suitable for the making of the backing plate (11); carrying out, on the band (113), the blanking of the backing plate (11) so as to define, on the backing plate (11), a front surface (11a) and a back surface (11b) essentially parallel to each other, the flat front surface (11a) being adapted to receive a layer of friction material; carrying out, on the band (113), the coining of a plurality of engagement recesses (19) on the front surface (11a); characterized in that the engagement recesses (19) are distributed over the front surface (19a) in a non-uniform way and in accordance with a predetermined pattern.

Abstract: A clutch assembly comprising: an axis of rotation; first and second spherical centers positioned along the axis of rotation; a first member having a first spherical surface including: a radius defining a first curvature; the first spherical center; and a first frictional surface; a second member having a second spherical surface including: said radius defining a second curvature about same or equal to the first curvature; the second spherical center; and a second frictional surface. A torque converter comprising a spherical clutch assembly is also disclosed.

Abstract: Semi-tubular self-piercing rivets and solid rivets are provided with surface features such as recesses or lobes. The recesses or lobes engage the panels that are joined by the rivet to prevent rotation of one or both panels after rivet insertion. The recesses or lobes may be provided at the head end or tip end of the rivet or may be provided at both the head end and the tip end of the rivet.

Abstract: A constricting clutch brake element is operable to selectively transmit mechanical power between relatively movable rotating members. A plurality of backing plates are movably mounted and selectively movable radially on an annular body of the clutch brake element. The backing plates engage a plurality of friction linings. Each backing plate is configured for usage with different numbers of torques bars to meet different torque carrying capacities, all within the same envelope size. The configuration also allows plural torque bars to be relatively positioned so that they can engagingly guide the backing plate during its radial movement.

Abstract: A plate assembly for a multi-disk brake system is provided. The plate assembly includes at least one of a pressure plate or an end plate and a floating plate wear liner mounted against the at least one of the pressure plate or the end plate. The floating plate wear liner is configured to contact a contact surface of an adjacent rotatable friction disk in response to the multi-disk brake system being actuated.

Abstract: An annular turbine engine stator portion including a structural support provided in succession with a bonding underlayer and with an abradable coating formed by a resin filled with microbeads, the bonding underlayer for fastening the abradable coating to the structural support being formed by fiber reinforcement made of long fibers having a peripheral portion of the reinforcement that is secured to the structural support and having a central portion thereof that is impregnated with the resin filled with microbeads while the abradable coating is being fastened to the structural support.

Abstract: A brake lining arrangement for a vehicle brake with a friction lining and a lining backing plate, having a receiving portion arranged in its lateral edge region for receiving a separate damping element, which laterally grasps the lining backing plate, wherein the damping element has a contact portion for contacting a portion of a brake caliper corresponding with the contact portion, and the damping element is adapted to be deformable or/and displaceable at least in sections upon a contacting.

Abstract: A unit friction pad assembly constituting a disk brake friction pad assembly includes a lining assembly which is oscillatably inserted into the guide hole portion of a guide plate to transmit a braking torque from a plate engagement portion to the guide plate and is urged toward the guide plate by a spring member, and a clearance hold mechanism for holding a clearance between the guide plate and torque receiving plate.

Abstract: A caliper brake apparatus includes a piston configured to advance and retreat in accordance with a pressure in a pressure chamber of a caliper main body, a guide plate attached to the piston so as to support a brake shoe, and a fastening member configured to fasten the piston to the guide plate. The fastening member includes a tapered seating surface, and at least one of the piston and the guide plate includes a tapered contact portion on which the seating surface of the fastening member is seated.

Abstract: The invention relates to a method of producing a friction element comprising a friction lining (1) made from sintered material, which is applied to a support (2), and at least two recesses (4) are provided in the support (2), each for accommodating a connecting element for fitting the support (2) with the friction lining (1) on a supporting element (3). A cut-out (A, A1, A2) is provided in the friction lining (1) which surrounds at least two regions (B1 . . . B4) spaced apart from one another in which the at least two recesses (4) of the support (2) for accommodating the connecting elements are disposed. The invention further relates to the friction lining (1) itself.

Abstract: An object is to stably exhibit a two-stage spring characteristic of a plate spring for restraining the generation of a clonk noise in a disc brake apparatus for use in a vehicle. A plate spring 90 for restraining the generation of a clonk noise has a fixture portion 91 having a shape resembling the squarish letter U and elastically fixed to a back plate 61, and an extension portion 92 extending continuously from the fixture portion 91. The extension portion 92 includes an engagement subportion 92a engaged with a support member at all times; a curved subportion 92b located between the engagement subportion 92a and the fixture portion 91; and a contact-engagement subportion 92c located between the curved subportion 92b and the fixture portion 91.

Abstract: The disclosed invention relates to a biodegradable grease composition. The grease composition comprises the reaction product of a dispersion of metal oxide and/or hydroxide particulates with at least one animal or vegetable oil. The dispersion comprises an organic medium and has a water content of up to about 0.5% by weight water. The particulates have a mean particle size up to about 15 microns. A process for making a grease composition using a dispersion of metal oxide and/or hydroxide particulates is disclosed.

Abstract: A brake shoe assembly comprising a brake shoe to which brake plates are assembled. The brake shoe and brake plates are connected by a key or tang in one to a key way or slot in the other. Preassembled fasteners are provided on the brake plates to facilitate alignment of the brake plates with the brake shoe so that the key is received in the slot. Fasteners may be provided in four open corner areas so that the brake plate may be secured to the brake shoe with metal-to-metal contact where the brake plate is secured to the brake shoe. A brake shoe having a cylindrical outer surface or an outer surface defined by a plurality of flats is provided.

Abstract: A connection of a brake lining, preferably a disc brake of a railway vehicle, having a lining mount, wherein the brake lining includes a guide bar on the back side thereof lying in a guide track of the lining mount and held on the lining mount by means of a clamping element of at least one clamping device engaging behind the guide bar under spring load and pressing against the guide track, designed so that the clamping element can be brought out of engagement by an actuating element rotatably or displaceably mounted on the lining mount.

Abstract: A disc brake caliper is provided that basically comprises a caliper housing, a disc brake pad pin, at least one disc brake pad and a thermally insulating material. The caliper housing defines a brake rotor receiving slot and a first pin receiving opening. The disc brake pad pin is disposed in the first pin receiving opening. The at least one disc brake pad is disposed in the brake rotor receiving slot and movably supported on the disc brake pad pin which extends through a pin mounting opening in the at least one disc brake pad. The thermally insulating material is disposed in at least one of the first pin receiving opening of the caliper housing and the pin mounting opening of the at least one disc brake pad.

Abstract: The invention relates to a friction lining carrier plate (1), which has a metal sheet, to a friction lining, to a friction lining receptacle and to a brake. The metal sheet is formed in such a manner that it has a first and second recess (11, 20) on the friction lining side, wherein the metal sheet has at least a second recess (20) on the friction lining side, wherein the first and second recesses (11, 20) have a differing depth. The first and second recesses on the friction lining side are each formed as an elevation on the side of the actuation means.

Abstract: An angle adjusting device for a brake block includes a brake block, a ball and a screw. The brake block has a socket and a through hole defined therein. The ball is rotatably disposed in the socket. The ball has a screw hole corresponding to the through hole. The screw is passed through the through hole of the brake block and is screwed into the screw hole of the ball so that the brake block is mountable on a brake system. The brake block could be pivotally rotated by a connection between the ball and the socket of the brake block, so that a frictional effect of the brake block which contacts with a wheel rim of a bicycle is increased.

Abstract: A brake assembly having a hub, a rotor, and a mounting clip. The hub has a mounting boss and first and second pockets disposed on opposite sides of the mounting boss. The rotor is disposed on the hub and has a first tooth and a second tooth disposed in the first and second pockets, respectively. The mounting clip has a first arm that is disposed in the first pocket between the first tooth and the mounting boss and the second arm is disposed in the second pocket between the second tooth and the mounting boss.

Abstract: 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.

Abstract: A brake assembly of the type having a brake shoe platform and one or more brake plates mounted on the platform, each brake plate having a brake lining and a backing plate attachable to an outer surface of the platform, is characterized in that the platform has a series of circumferentially spaced apertures each adjacent its rear edge, and a series of circumferentially spaced recesses communicating with its front edge. The backing plate has two rear flanges each being L-shaped and having an inner portion depending from its inner surface and a rearwardly projecting outer tongue portion, these rear flanges being sized to pass through the apertures in the brake shoe platform. Also, the backing plate has two front flanges, each having an inner portion depending from its inner surface and an outer tongue portion, these front flanges being arranged to slide into the recesses at the front edge of the platform.

Abstract: A device comprising: a pair of opposing legs; a bridge between and connecting the pair of legs; a pair of retraction spring arms attached to the outside of each of the legs; the retraction spring arms each comprising: a guide support tab connected to each of the pair of opposing legs wherein the retraction spring arms assist in retracting a pair of brake pads, and the guide support tabs guide the retraction spring arms during movement.

Abstract: A process for manufacturing brake linings that comprises the stage of cold heating of the friction material and compaction by using a punch with a surface having sinuosity (10) that presses the friction material (100) forming undulations on the surface (110), and the stage of heat pre-molding of the friction material at a temperature lower than that of the resin polymerization for better shaping of the pre-mold, because the resin adheres in a form of a thin layer (film) onto the entire surface which defines a better shape of the pre-mold and, also, provides the material with the heat closer to that of polymerization, which ensures a better quality for the product, and then, the stage of heat molding of the pre-formed friction material and compaction by using a curve-like punch (20). Additionally, this invention discloses an obtained product that comprises friction material with bigger or smaller interspersed oriented density areas.

Abstract: A pad (20) for disc brakes comprises a plate (22) acting as the support for a friction material layer (24). The plate (22) extends past the friction material layer (24) at least at a radially outer portion (E) of the pad. At least one load (30a, 30b) is applied to the plate (22) and fixed thereto by means of clinching. This load changes the mass of at least one portion of the plate such as to obtain an inertia of the pad which substantially avoids the vibrations of the pad during the braking action which are suitable to cause noisiness of the disc brake. The load (30a, 30b) comprises at least one projection (32) suitable to be clinched to fix the load to the plate. The projection (32) is inserted within a hole (34) of the plate and clinched.

Abstract: A noise damping shim for a friction assembly is produced by a pre-slit step and a bend and blank step. The pre-slit step forms pre-slits in a shim material at locations where tabs of a noise damping shim are to be formed. The bend and blank step bends each of the tabs at a bent angle relative to the shim material while simultaneously blanking a shim body from the shim material to produce a noise damping shim having bent tabs extending outwardly from a periphery of the shim body.

Abstract: The invention is directed to an insert for a backing plate assembly for a composition friction brake shoe. The insert is particularly useful in the formation of a universal brake shoe for use with a trolley car braking system. The insert includes a central member having a first and second set of attachment posts extending from the respective ends thereof. These first and second sets of attachment posts are adapted for securing a first and second backing plate strap, respectively, thereto. A key bridge extends through a back portion of the central member and is configured for attachment to a brake shoe. A flange guide support extends from a side portion of the insert and includes legs defining a channel that runs parallel to the insert. The flange guide support is adapted for contacting a wheel flange to align a brake shoe with the wheel during braking of the vehicle.

Abstract: A pad clip for a disc brake apparatus is provided with a sandwiching portion for sandwiching a projecting portion formed in a support member of the disc brake apparatus. The sandwiching portion includes an upper hold piece, a lower hold piece, and a connecting piece for connecting the upper hold piece and lower hold piece to each other. The upper hold piece includes a hold claw having a leading end urged toward an upper surface of the projecting portion and in contact with a vertically extending wall surface of a recessed groove formed in the projecting portion, and a spring piece for urging the hold claw. When the sandwiching portion sandwiches the projecting portion, the spring piece is not in contact with the upper surface of the projecting portion.

Abstract: The invention relates to a brake lining arrangement for disc brakes having at least one spring journal arranged on the back of the brake lining and a spring element that may be coupled to the spring journal, wherein the spring element has a fastening section with a receiving opening for receiving the spring journal, wherein on the surface of the fastening section of the spring element remote from the brake lining a profiling is configured, which during a plastic deformation of the spring journal to fix the spring element comes into engagement therewith and fixes the spring element in a predetermined position.

Abstract: The invention relates to a braking device for the wheels of a motor vehicle which can be rotated around axle pins, provided with a brake caliper attachment which comprises an axle-sided carrier, which can be fixed to the axle of the vehicle, and a brake-sided carrier, which can be detachably fixed thereon by means of screws, in order to receive the caliper of the brake. Axial and/or radial bearing surfaces of the axle-sided carrier or brake-sided carrier are respectively and essentially located on the same axial or radial plane and/or are respectively located on parallel planes which are offset in relation to each other and/or the axial and/or radial bearing surfaces are inclined on one side relative to the axial or radial plane oriented in an inner or outer direction and/or the axial and/or radial bearing surfaces are developed even in the form of a prism and the carriers on the bearing surfaces thereof are held against each other by means of at least two axis-parallel screws.

Abstract: A brake lining, particularly for a commercial vehicle disc brake, and an associated adapter (5, 6), and a disc brake having said brake lining and the adapter (5, 6) for commercial vehicles have a carrier plate (1) with a friction lining (2) disposed thereon and at least one force application region (3, 4) on the side thereof facing away from the friction lining (2). An adapter (5, 6) is in a contact position with the force application region (3, 4) in the operating position of the brake. The adapter, in turn, is in working contact with a brake plunger or a brake piston. In order to fix the adapter (5, 6) and the carrier plate (1) at least in the radial direction (11) and circumferential direction (12), mounting means (7, 8) are provided on the carrier plate (1), with corresponding mounting means (9, 10) provided on the adapter. The adapter (5, 6) is thereby simply disposed on the force application regions of the carrier plate (1) and releaseably connected thereto.

Abstract: A brake pad holder of a disc brake, in particular for a commercial vehicle is provided, wherein brake pads assigned to both sides of a brake disc are held by a respective pad-holding spring in a spring-loaded manner in a pad shaft of a positionally fixed brake anchor plate or of a brake caliper. A pad-holding clip, which extends in the axial direction of the brake disc and is fastened to the brake caliper, is supported on the brake pads. The brake pad holder is designed such that the pad-holding clip has at least one limb which extends approximately radially with respect to the brake disc and enters into a recess of at least one brake pad.

Abstract: The invention relates to a disk brake, in particular for utility vehicles, having a brake disk (30) with a rotational axis (D), having a pressing device (10, 38) which, for braking, is pressed in the direction of the rotational axis against the brake disk, and a holding-down device (40), wherein the pressing device has a projection (16) which, in an installed state, extends through a passage opening (46) in the holding-down device. It is provided according to the invention that the projection, in the installed state, projects in the axial direction of the brake disk beyond a delimitation of the passage opening.

Abstract: To accomplish both prevention of disengagement of the shoe-hold spring from the shoe-hold apparatus and improvement of the assemblability of the same. The shoe-hold pin has the small diameter portion and the large diameter portion. One end opened slots are formed at the pair of arms of the U-shaped shoe-hold spring, and the slots are such that the small diameter portion of the shoe-hold pin is passable therethrough and the large diameter portion is non-passable. The pin-insertion hole, which is continuous to the slot of the web side arm and may position the large diameter portion therein, is formed in the web side arm and restricts the shoe-hold spring from disengaging therefrom when the large diameter portion of the shoe-hold pin is positioned in the pin-insertion hole.

Abstract: A brake caliper has a brake pad having a backplate with a friction material attached to one side and a loading face on an opposite side. The caliper further includes a piston that applies a force to the loading face. The brake pad is releasably attached to the piston, thereby eliminating a separate brake pad retaining structure in the caliper.

Abstract: The present invention is a spring based actuator with a leaf spring having a length, width and thickness and a coil spring positioned over the leaf spring. The coil spring further comprises: a first end; a second end; and at least one force generator acting on either the first end of the coil spring and the second end of the coil spring to deflect the coil spring and the leaf spring.

Abstract: The present invention concerns a disc brake having one or more sliding or floating brake discs. The discs are received on a hub by means of splines on the discs and hub, respectively. The discs have means to widen the support of each disc on the hub. The means may have the form of one or more rings, pins and/or clips attached to the discs.

Abstract: A disc brake assembly comprises an anchor bracket (12), a brake shoe (10) which carries a friction lining (16), the shoe being slidably supported by the anchor bracket (12). The assembly includes a retraction mechanism which is adapted to retract the shoe from the disc when the brake is released. The mechanism comprises at least one pin (24) secured to either a backing plate (14) or the anchor bracket and a spring clip (26) fixed relative to the pin which acts between the pin and the other one of the anchor bracket or the backing plate. Deformation of the spring clip as the shoe is moved towards the disc providing a returning force to pull the friction lining away from the disc when the brake is released.

Abstract: A vehicle brake shoe assembly having a brake shoe platform incorporating a plurality of extensions which project through the brake friction material matrix to the outer friction surface of the brake shoe assembly. Each extension is configured to cooperate with the brake friction material matrix to engage a surface of an opposing friction element, increasing the static and dynamic friction performance of the assembly beyond that achieved from the engagement of the brake friction material matrix and the surface of the opposing friction element alone.

Abstract: A vehicle brake shoe assembly having a brake shoe platform incorporating a plurality of extensions which project through the brake friction material matrix to the outer friction surface of the brake shoe assembly. Each extension is configured to cooperate with the brake friction material matrix to engage a surface of an opposing friction element, increasing the static and dynamic friction performance of the assembly beyond that achieved from the engagement of the brake friction material matrix and the surface of the opposing friction element alone.

Abstract: An attachment between segments (12) of a friction lining material and a brake shoe (11), in which the lining (12) is attached to the brake shoe (11) by a plurality of keying elements (16) attached by screws (17) to the brake shoe (11), and cooperating with a plurality of associated grooves (18) in the lining (12) in such a manner as to prevent the lining (12) from becoming detached from the brake shoe (11). The keying elements (16) being retained within their associated grooves (18) whereby there will be no, or a limited amount of, relative movement between the lining (12) and the brake shoe (11) in any direction.

Abstract: A drum brake assembly including a rotatable drum having a radially inner braking surface and a brake shoe of single piece construction and of generally circular form mounted within the drum against a backing plate. The brake shoe has a radially outer face and a friction lining mounted thereon in facing relationship to the radially inner braking surface. Actuator having actuated brake on and released brake off conditions and being operable in the actuated condition to diametrically expand the brake shoe is provided. Positioners are also provided for positioning the brake shoe within the drum when the actuator is in the brake off condition to provide for complete clearance between the outer face of the friction lining and the inner braking surface of the drum. A grinding jig for grinding friction lining is also provided. A brake assembly having a connector for connecting the brake shoe to the backing plate.