Abstract: A pad retainer of a vehicle disc brake includes: a pair of retainer portions mounted in pad guide grooves; a connecting piece connecting the pair of retainer portions together; and pad returning portions configured to bias the friction pads to a side opposite to the disc rotor. Each of the pad returning portions includes an elastic loop portion formed into an arc shape by bending a narrow elongated piece, which extends in a direction opposite to the disc rotor from an inner side in a disc radial direction of a deep side piece of the retainer portion, and then back towards the disc rotor; and a holding portion extending from a bent-back end of the elastic loop portion towards the disc rotor and configured to hold a lug piece of the friction pad.

Abstract: 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.

Abstract: A pad pressing spring which is mounted on a pad of a disc brake by causing a pinching portion to pinch a pad back plate is configured as follows. An elastic arm which presses the pad in a disc rotor normal-rotating direction continuously extends from a base end side of the pinching portion, and the elastic arm has a configuration in which, when a load exceeding a predetermined value is applied in a direction opposite to a direction in which a pad is pressed, a tip end side of the elastic arm comes into contact with a lateral surface of the pad back plate or the pinching portion, and thus a spring constant of the pad pressing spring increases compared to a spring constant in a state where a load exceeding the predetermined value is not applied.

Abstract: A disc brake whose carrier (11) includes two opposite arms (14F, 14B) each including a C-shaped axial housing (16F, 16B) accommodating a brake pad (12) including two opposite lateral lugs (26F, 26B), each lug (26) accepting a pad spring (40F, 40B) including at least one lower, sliding, branch (42F, 42B) and in which a lamellar element (22F, 22B) is interposed between the lug (26F, 26B) and the C-shaped housing (16F, 16B), this element (22F, 22B) including a lower first sliding flange (24F, 22B) accepting the sliding branch (42F, 22B) of the pad spring (40F, 40B) and an upper second flange (25F, 25B) for bearing vertically in the housing (16), at least one tangential preload spring (60B) for tangentially preloading the pad (12) interposed between an arm (14B) and the pad (12) and constantly urging the pad (12B) in a direction (DF) that is horizontal overall from the back forward.

Abstract: A disk brake has a fork with two opposing arms each having a C-shaped axial seat designed to receive a brake pad with two opposing lateral lugs, each lug receiving a pad spring having at least one lower sliding branch, in which a laminar element is interposed between the lug and C-shaped seat, the element having a first lower sliding flange receiving the sliding branch of the pad spring and a second upper vertical supporting flange in the seat. The laminar element is elastically deformable between an initial free state in which the sliding flange and the lower face of the seat form a first acute angle and at least one state of loading by the pad spring in which the sliding flange forms a second acute or zero angle that is less than the first acute angle, and in which the sliding branch of the pad spring is pre-stressed.

Abstract: Disclosed is a structure such that when pad clips are to be mounted, it is possible to handle return springs and the pad clips as integral articles, thereby facilitating mounting work. Constraining sections are provided at both axial ends of each of the pad clips. Furthermore, the return springs are composed of inner spring elements and outer spring elements. These two types of spring elements are helical torsion springs provided with helical sections. Abutting sections are provided on the spring elements, respectively. The abutting sections are pressed against the inner surfaces of the constraining sections by elastic restoring forces. Moreover, the central axes of the coil sections are substantially oriented in the rotational direction of the rotor.

Abstract: A brake caliper assembly having a pad shield. The pad shield may have an inboard channel, an outboard channel, and a gutter. The gutter may be disposed between the inboard and outboard channels.

Abstract: A disc brake provided with a guide spring capable of preventing a vibration of a pad plate having a friction pad mounted thereon, and capable of separating the friction pad from a disc in a rapid manner after a braking operation is finished, the disc brake including a disc rotating together with a wheel of a vehicle, two pad plates disposed at both lateral sides of the disc, respectively, to perform a braking by pressing both lateral side surfaces of the disc and each having a friction pad, a caliper housing and a piston that are configured to press the pad plate, and a guide spring enabling the pad plates to operate as an integral body and absorb shock.

Abstract: A vehicle disc brake includes pad retainers. The pad retainer includes retainer portions disposed on torque bearing faces, pad spring-back pieces projected from radially inner sides of the retainer portions and disposed on lug piece movably supporting faces, and a connecting piece connecting radially outer sides of the retainer portions. The pad spring-back piece includes a spring-back portion extended from a base end portion thereof and inclined gradually radially inwards from the base end portion towards a distal end portion, so that the distal end portion is allowed to be brought into abutment with the lug piece movably supporting face, in such a state that the lug piece is assembled to the pad guide portion via the pad retainer and a pad abutment portion extended radially outwards from the spring-back portion to be brought into abutment with a radially inner face of the lug piece.

Abstract: A system and method are provided for retaining brake pads in disc brakes, such as air-operated disc brakes utilized on commercial vehicles, and for installing and removing brake pads, without the need to employ brake pad retaining devices which radially over-top the brake pads. A preferred embodiment includes a retaining element, preferably a spring steel clip, having protrusions which face in opposite directions to engage corresponding slots in a brake pad lateral edge and in a brake pad carrier brake pad-facing surface. When installed in a radially-inward direction, the brake pad carrier side protrusion engages the brake pad carrier slot, and cooperates with the brake pad lateral side protrusion to resist brake pad movement in the radially-outward direction. The brake pad carrier side protrusion may be manually pressed toward the brake pad to disengage the protrusion from the carrier slot to permit withdrawal of the brake paid from the carrier.

Abstract: Provided is a disc brake capable of preventing large positional shift of a position of abutment of a return spring against a mounting member, which occurs with wear of a friction pad and the like. The return spring for biasing the friction pad in a direction away from a disc includes a fixed portion on one side, which is fixedly mounted to the friction pad, an extending portion extending from the fixed portion in an axial direction of the disc and in a direction away from the friction pad, a turned-back portion formed by turning back a distal end side of the extending portion toward the mounting member, and an abutting portion provided on a distal end side of the turned-back portion so as to be elastically brought into abutment against a side of the mounting member.

Abstract: A partially lined disk brake includes a brake anchor plate, mountable on which are two brake linings, which are arranged at a distance from one another and which between them are capable of receiving a brake disk capable of rotating about an axis of rotation, wherein an application movement serves to bring the two brake linings into engagement with a friction surface of the brake disk, including a brake caliper, which is arranged on the brake anchor plate and which engages at least partially over the brake linings and the brake disk, and which in the direction of movement of the brake linings can be displaced by an actuating device in relation to the brake anchor plate, wherein the actuating device produces the application movement of the brake linings, and having at least one spring element, which moves the brake linings away from one another again after an application movement.

Abstract: There is provided a disk brake comprising: a mounting member axially extending over a disk periphery, the mounting member including a pad guide where a friction pad travels; a caliper; and a return spring between the friction pad and the mounting member and urges the friction pad into a return direction separating from the disk, wherein the return spring includes: a first extended portion where a base end side thereof is fixed to a back plate of the friction pad while a top end side thereof extends separating from the disk; and a second extended portion folded from the top end side of the first extended portion toward the mounting member, a top of the second extended portion extending to elastically abut to the side of the mounting member, and a plate thickness direction of the first extended portion extends to be approximately a radial direction of the disk.

Abstract: The invention relates to a disk brake for a motor vehicle brake system having a frame-type housing, at least two brake pad arrangements, which are accommodated in the frame-type housing and between which a brake disk that is rotatable about an axis of rotation may be accommodated, and at least two guide bolts, which are mounted on the housing and on which at least one of the brake pad arrangements is guided with play in an axially displaceable manner. To avoid undesirable noises in this disk brake it is provided that on the brake pad arrangement guided on the guide bolts at least one spring element is mounted, which biases said brake pad arrangement relative to the guide bolts into a position corresponding to a tilting movement that results during braking of the brake disk from a braking torque acting on the brake pad arrangement.

Abstract: A brake spring comprising: one or more hooking portions for attaching the brake spring to an arm of a support bracket, two or more locking tabs; and at least one first flexible arm connected to and extending from the hooking portion, wherein the at least one first flexible arm folds back so that at least a portion of the first flexible arm extends along a surface of the hooking portion, wherein the at least one first flexible arm extends from the hooking portion so that the at least one first flexible arm abuts a contact surface of a caliper body and provides forces to restrain the caliper body.

Abstract: A brake pad of a disc brake is provided, in particular for a commercial vehicle. A pad carrier plate supports a friction lining. A pad-retaining spring, which is movable relative to the pad carrier plate in the clamping direction, is nonreleasably connected by a hood fastened on the pad-retaining spring. An electric final wear indicator is attached with a sensor fitted on the edge of the pad carrier plate. The sensor is retained captively in the fitted position of the brake pad by the pad-retaining spring. The brake pad is designed such that the distance of the fitted pad-retaining spring from the pad carrier plate in the relaxed or substantially relaxed position of the pad-retaining spring in the region of the sensor is the same size as or larger than the associated dimension size of the sensor.

Abstract: A brake assembly includes a brake pad, a bracket supporting the brake pad and having a first portion, a second portion spaced apart from the first portion, and a linkage interconnecting the first and second portions. The linkage is configured to transfer tensile loads between the first and second portion, but is characterized by the absence of any bending modes. The absence of bending modes prevents excitation of the linkage, thereby reducing sound generated during application of the brake assembly.

Abstract: A vehicle disc brake includes pad retainers. Each pad retainer includes: a pair of retainer portions; a connecting piece connecting the pair of retainer portions together; and pad returning portions. The retainer portion includes: an inner piece; an outer piece; and a deep side piece which is laid on the opposing surface so as to connect the outer piece and the inner piece together. The pad returning portion is formed by inclining a distal end portion of a narrow elongated piece while causing the distal end portion to warp into a curved shape. A dislodgement preventing projecting portion is formed through pressing on at least one of the outer piece and the inner piece so as to project towards an interior of a pad guide groove so that the lug piece can ride thereover when the lug piece is inserted into the pad guide groove.

Abstract: A clip comprising: a body portion; one or more arms connected to the body portion and projecting away from the body portion; a deformable portion of the one or more arms that is distal from the body portion; and a lip on the one or more arms that is proximate to the body portion.

Abstract: A brake assembly comprising: at least one brake spring that includes: a first arm; a second arm, the first arm and the second arm forming a first arm plane; and a body portion between and connecting to the first arm and the second arm, the body portion forming a body plane, the body plane being at an angle relative to the first arm plane; wherein the at least one brake spring is between and in communication with a pressure plate of at least two brake pads.

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: 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 disc brake apparatus which can securely suppress clunking sounds not only at the time of forward braking of a vehicle but also at the time of back braking of the vehicle is provided. When a backing metal 6A of a brake pad 6 shifts toward a first torque receiving part 3C of a torque member 3 along with an operation for forward braking of the vehicle, a leading end part of a spring piece 9A engages one slope of an engaging projection 6E, so as to elastically press the backing metal 6A toward the first torque receiving part 3C, whereby the disc brake apparatus is held in a first contact state. When the backing metal 6A shifts toward a second torque receiving part 3D of the torque member 3 along with an operation for back braking of the vehicle, the leading end part of the spring piece 9A engages the other slope of the engaging projection 6E, so as to elastically press the backing metal 6A toward the second torque receiving part 3D, whereby the disc brake apparatus is held in a second contact state.

Abstract: A disc brake assembly includes an anchor having a pair of spaced apart inwardly facing contoured surfaces between which a disc brake backing plate having an outwardly facing pair of complementarily contoured surfaces is located. There is a pair of slipper springs, each of which may be interposed between an outwardly facing and corresponding inwardly facing surface in either one of two distinct symmetrical positions. The two slipper springs are substantially identical and include a U-shaped portion with a leg extending from one U end so that the leg may form an abutment contact between a backing plate surface and the anchor surface during brake application. The two distinct symmetrical positions comprise one position with the leg extending generally inwardly from the U-shaped portion toward the brake disc axis, and another position with the leg extending generally outwardly from the U-shaped portion away from the brake disc axis.

Abstract: A vehicle disc brake includes pad retainers. The pad retainer includes retainer portions disposed on torque bearing faces, pad spring-back pieces projected from radially inner sides of the retainer portions and disposed on lug piece movably supporting faces, and a connecting piece connecting radially outer sides of the retainer portions. The pad spring-back piece includes a spring-back portion extended from a base end portion thereof and inclined gradually radially inwards from the base end portion towards a distal end portion, so that the distal end portion is allowed to be brought into abutment with the lug piece movably supporting face, in such a state that the lug piece is assembled to the pad guide portion via the pad retainer and a pad abutment portion extended radially outwards from the spring-back portion to be brought into abutment with a radially inner face of the lug piece.

Abstract: A pad assembly includes a carrier plate, a backing plate to one side of which is secured at least one friction pad and which is mounted on its alternate side on the carrier plate, a spring acting between the carrier plate and the backing plate and allowing for limited rocking and/or linear movement of the backing plate relative to the carrier plate against the action of the spring. A plurality of transmitting members are secured to one or the other of the carrier plate or the backing plate and project to engage the other so as to enable the transmission of force between the two plates. The arrangement of the force transmitting members is such that at least two of the force transmitting members are generally equiangularly arranged about the geometric center of the carrier plate.

Abstract: A brake pad for a disc brake, in particular for a utility or commercial vehicle, including a pad retaining spring which is designed as an arc-shaped leaf spring, can deflect radially and is fastened by way of a hood to a lining carrier plate which supports a friction lining material. The hood is formed as a separate component and has a section which is U-shaped in cross-section. A web of the hood connects its limbs which limbs are guided in parallel and at both sides of the lining carrier plate. The web bears against the pad retaining spring. The pad retaining spring is designed such that an opening is formed through which a limb of the hood is guided.

Abstract: A brake pad (5) for a disc brake (1) that can be associated with a caliper (2) with thrust means (9a, 9b, 9c) for clamping the brake pad (5) with friction against a braking band (4) of a brake disc (41), wherein the brake pad (5) comprises: a plate (6) with a central portion (11) provided with a layer of friction material (7), said central portion (11) having an upper edge (12) and an opposed lower edge (13) and also two lateral edges (6a, 6b) and two support appendages (14) which extend from said lateral edges (6a, 6b) of the central portion (11), each of said support appendages (14) bounding an eye (16) capable of receiving a pin (27) of the caliper (2). The upper edge (12) and lower edge (13) extend substantially along circumferences of a circle imparting an arcuate shape to the central portion (11), and said support appendages (14) are disposed substantially at the height of said lower edge (13) of the brake pad (5).

Abstract: A device (10) for damping the vibrations in a pad (16) of a disc brake suitable for being mounted between at least one pad (16) and at least one piston of a caliper of a disc brake. The device (10) comprises at least one substantially cylindrical damper (26) suitable for being mounted with interference in a cavity (28) made in the piston (22). The damper (26) has an interference surface (30) comprising at least one projection (32) that extends radially and that at least partially wraps around the damper (26) according to a direction having at least one tangential component (T). The damper (26) is suitable for being fixedly connected to the piston (22) through said coupling by interference. Said interference surface (30) of the damper comprising two or more projections (32) defining an undulating axial profile (34) of said interference surface (30).

Abstract: An electromechanically or pneumatically operable disc brake, particularly for a commercial vehicle, includes a brake caliper, which straddles a brake disc, a brake application device arranged in the brake caliper, and at least one electromechanically drivable adjusting device for adjusting a clearance between the brake pads and the brake disc. In order to operate the adjusting device, an electric motor is actively connected to the assigned brake pistons. The disc brake is designed such that the brake pistons are connected to the respective brake pad via spring elements that can be displaced in a direction of displacement.

Abstract: The strength and rigidity of pad springs are increased with a simple structure to prevent deformation and so forth of the pad springs caused by external force. A mounting member is provided with pad springs for resiliently supporting friction pads. Each pad spring has guide plates, a connecting plate, an engagement plate, radially urging portions, circumferentially urging portions, reinforcement, etc. The reinforcement includes a rectilinear reinforcement formed on a flat plate portion of the connecting plate by embossing, for example, and oblique reinforcements formed on joint portions of the connecting plate. Thus, the joint portions and so forth of the pad springs can be prevented from being deformed by external force when the brake is activated or during assembling operation, for example, and hence it is possible to prevent positional displacement of the guide plates, etc. that would otherwise be caused by the deformation of the joint portions.

Abstract: The present invention includes a disk brake including a caliper having an opening, the opening includes two edges, the caliper also having pin holes positioned adjacent to the two edges, a pad positioned in the opening of the caliper, a pair of pad pins connectable to the pin holes of the caliper and able to movably support the pad and a bias member capable of biasing the pair of pad pins in at least one of a mutually approaching direction and a mutually separating direction, the bias member is capable of elastically pushing the pair of pad pins against hole wall surfaces of the pin holes of the caliper.

Abstract: A disk brake for a vehicle includes: a caliper bracket; a pair of caliper support arms; pad guide grooves that have outer side surfaces, inner side surfaces and opposed surfaces; and lug pieces that protrude on both side parts of back plates of friction pads supported by the pad guide grooves through a pad retainer, the pad retainer including a pair of retainer parts, a connecting piece and pad resilient parts, wherein: the retainer parts include inner side pieces arranged along the inner side surfaces of the pad guide grooves, outer side pieces arranged along the outer side surfaces of the pad guide grooves and interior pieces that connect the outer side pieces to the inner side pieces; and the outer side pieces include impact suppressing parts that restrain the lug pieces from colliding with the outer side surfaces through the outer side pieces.

Abstract: The invention relates to a disk brake, particularly for commercial vehicles, comprising a hold-down spring (2) for holding down a force transmission device of the disk brake, wherein the hold-down spring comprises a first holding region (4) having a first support device for support on a hold-down device in the one circumferential direction of the brake disk of the disk brake and having a second support device for support on the hold-down device in the other circumferential direction of the brake disk. The hold-down spring comprises a second holding region (5) having a third support device for support on a hold-down device in the one circumferential direction of the brake disk and having a fourth support device for support on the hold-down device in the other circumferential direction of the brake disk.

Abstract: A pad spring located at the entrance side in the rotational direction of a disk is provided with guide plate portions, radially urging portions that urge a pair of friction pads radially outward of the disk, and circumferentially urging portions that urge the friction pads in the rotational direction of the disk. Each radially urging portion has a projection bent radially inward of the disk. Each guide plate portion has a space portion that allows the projection to abut against the radially inner wall surface of the associated pad guide when the radially urging portion is displaced radially inward of the disk so as to approach the guide plate portion. The circumferentially urging portions are wide plate-shaped members bent from the guide plate portions.

Abstract: A brake pad for a disc brake, in particular for a commercial vehicle, has a pad retaining spring which is configured as an arcuate leaf spring and is held in a manner which is secured captively and can be deflected radially on a lining carrier plate of a brake pad which carries a friction lining. The pad retaining spring is connected in a form-fitting manner to the pad carrier plate by a hood which is fastened to the pad retaining spring.

Abstract: The pad clip 14d is arranged between pins 12, 12 made to bridge an outer body portion and an inner body portion constituting a caliper and the two pads 10b, 11b. An engaging plate portion 27 is engaged with the respective pins 12, 12 without play. Press pieces 28, 28 formed by folding to bend both end portions in a rotational direction of the engaging plate portion in directions in which the more proximate to the two pads 10b, 11b, the more directed to an outer side in a radial direction are brought into elastic contact with outer peripheral edges of both end portions in a rotational direction of pressure plates 13b, 13b of the two pads 10b, 11b. Thereby, amounts of projecting portions in correspondence with the respective press pieces 28, 28 in a state of a material plate before being folded to bend from the engaging plate portion 27 can be restrained.

Abstract: A brake caliper on a brake, such as a disc brake includes raised sections, which can be embodied as plateaus. The raised sections are tensioned against each other via a connector device by the introduction of tensile or compression forces. Noises occurring during braking can thus be significantly reduced.

Abstract: A spot-type disc brake with a housing comprising a housing bridge, with at least one housing leg having an actuating assembly comprising an actuator unit and a component movable along an axis of movement. At least one brake shoe is arranged at the component and is slidably supported on at least one support. The brake shoe is braced with the support against an abutment surface by means of a hold-down spring. The abutment surface of the hold-down spring is arranged non-parallel to the axis of movement. Thereby, not only a radial preloading force FR is produced, but also a force component Fx normal thereto, which assists the retracting movement of the brake shoe from the brake disc, thus improving the clearance behavior.

Abstract: A brake lining for a disc brake of a road vehicle has a blade-type retaining spring for the lining. At least two peripheral lining springs are situated on each brake lining, adjacent to the retaining spring, and exert a compressive force on at least some sections of the periphery of the lining carrier. The springs are configured in such a way that they respectively cover an edge region of the brake lining carrier, with the latter having at least two corner regions.

Abstract: A brake calliper for a disc brake, in particular for motor cycles and/or bicycles, includes a housing (30) for accommodating brake linings (40) which grip a brake disc during braking, with the housing having an abutment area (33) for contact with the brake linings during braking in the forward direction of travel and an assembly opening (29) which is opposite the abutment area (33) and through which the brake linings (40) can be inserted into the housing (30). A brake lining securing device (50) secures the brake linings in the housing (30) on the side opposite the abutment area (33), and a brake lining support device (31) supports the brake linings (40) between the abutment area (33) and the brake lining securing device (50). The brake linings can be arranged so that firstly the danger of undesired blocking during the braking process and secondly the danger of vibration of the brake during driving are substantially reduced.

Abstract: A friction element for a disk brake that includes a support plate (2) on which is fixed a friction material designed to come into contact with a first face of a brake disk. The friction element also includes an elastic element for returning the friction element to its rest position, said elastic element including a wound section of turns from which extend a first and second arm (30, 32) of different lengths designed to bear elastically against an arch of a caliper of the disk brake. The wound section of turns is fitted into an orifice made in a radial projection of the support plate.

Abstract: A lining for a disc brake, in particular, a pneumatically actuated disc brake designed for utility vehicles, includes a pressure plate and a lining material mounted on the pressure plate. At least one return mechanism located on the pressure plate causes axial return of the brake lining after brake applications, and presses against the lining housing of a disk brake and performs a tilting motion in the lining housing when the brake is applied. The return device also includes a tensioning device acting in a tangential direction and including a tensioning spring which, when the brake is not applied, elastically prestresses the pressure plate in the tangential direction relative to a disc of the disc brake that is towards the lining house such that the return device presses tangentially in prestressed manner against the lining housing.

Abstract: A brake pad assembly includes a brake pad including a base portion, a first ear portion, and an opposed second ear portion. The first ear portion and the second ear portion extend outwardly from the base section. The first ear portion includes a first upper section, a first central section, and a first lower section. The second ear portion includes a second upper section, a second central section, and a second lower section. A first clip receives the first ear portion and a second clip receives the second ear portion. The first ear portion includes a first defined contact location and a second defined contact location in relation to the first clip. The second ear portion includes a third defined contact location in relation to the second clip.

Abstract: A pad spring located at the entrance side in the rotational direction of a disk is provided with guide plate portions, radially urging portions that urge a pair of friction pads radially outward of the disk, and circumferentially urging portions that urge the friction pads in the rotational direction of the disk. Each radially urging portion has a projection bent radially inward of the disk. Each guide plate portion has a space portion that allows the projection to abut against the radially inner wall surface of the associated pad guide when the radially urging portion is displaced radially inward of the disk so as to approach the guide plate portion. The circumferentially urging portions are wide plate-shaped members bent from the guide plate portions.

Abstract: A pad spring located at the entrance side in the rotational direction of a disk is provided with guide plate portions, radially urging portions that urge a pair of friction pads radially outward of the disk, and circumferentially urging portions that urge the friction pads in the rotational direction of the disk. Each radially urging portion has a projection bent radially inward of the disk. Each guide plate portion has a space portion that allows the projection to abut against the radially inner wall surface of the associated pad guide when the radially urging portion is displaced radially inward of the disk so as to approach the guide plate portion. The circumferentially urging portions are wide plate-shaped members bent from the guide plate portions.

Abstract: A spring member for disc-brake calipers is interposed between a lateral edge of at least one pad and reaction surfaces of the caliper so as to act resiliently on the pad. The spring member comprises a ‘U’-shaped portion suitable for forming a connection with a protuberance of the reaction surfaces, a first resilient portion suitable for acting on the pad in a tangential direction, and a second resilient portion suitable for acting on the pad in a radial direction. The first and second resilient portions constitute a single body projecting from a first connection end of the first resilient portion that is connected to the ‘U’-shaped portion, so that, when the at least one pad is in a mounted configuration, it is acted on resiliently by the spring member both in a radial direction and in a tangential direction.

Abstract: Disclosed are a pad spring of a disc brake, which guides the sliding motion of pad plates and reduces vibration transmitted from the pad plates to a carrier concurrently, and continuously maintains these functions for a long time, and a method for manufacturing the same. In a pad spring of a disc brake, in which a pair of pad plates sliding towards a disc is accommodated in a carrier fixed to a vehicle frame such that friction pads are respectively attached to the facing inner surfaces of the pad plates so as to press both surfaces of the disc rotated together with the rotation of a wheel and thus fix the disc, and pad springs for guiding the sliding motion of the pad plates and preventing vibration applied to the pad plates from being transmitted to the carrier are interposed among the pad plates and the carrier, one surface of the pad spring contacting the pad plates is coated with a low frictional material and the other surface of the pad spring contacting the carrier is coated with an elastic material.

Abstract: A Coulomb friction damped disc brake caliper bracket, wherein damping is provided by Coulomb friction, most preferably at the outboard tie-bar thereof. In one form, at least one clamping member applies compressive force externally to the caliper bracket, and in a second form, at least one interfacial boundary is internally disposed in the caliper bracket. Provided thereby is a mechanically distinguishable surface boundary between two surfaces which are in mutual contact such that a state of Coulomb friction exists therebetween.

Abstract: A disk brake has a mount and a pad. The pad has a guide portion and outer and inner push bearing portions on a disk rotor rotation outlet side. The mount has a support portion to support the guide portion movably in a rotor axial direction. The outer and inner push bearing portions are provided on each position outwardly or inwardly of the rotor rotation outlet side guide portion in the radial direction of the rotor, and project toward the mount in the radial direction of the rotor to abut against the mount. The outer push bearing portion has an abutment surface to abut against the mount on a tangent to an outer peripheral side in a central position of the outer peripheral side of a friction surface of the pad radially outwardly in the radial direction of the rotor, or in a position outwardly of the tangent.