Disk type

A hub unit is adapted to be connected to a vehicle wheel or axle for rotation therewith. A circular brake ring unit surrounds the hub unit and is divided into at least two parts located at opposite sides of the axis of the circular brake ring unit. Connecting elements dismountably mount the brake ring...     

A friction plate for use, inter alia in a vehicle disc brake includes a metal backing plate and a plurality of friction pads carried by the backing plate on one major surface thereof. The friction pads are arranged on one major surface in first and second, circular rows which bound respectively first...     

The application relates to a steering knuckle assembly of the type utilized for supporting the steerable wheel of an automotive vehicle. Two embodiments of the steering knuckle assembly are disclosed and both comprise an integral metal housing formed from metal plate. The housing has a front extending...     

A disc brake for operation on the pinion shaft of a motor vehicle has a disc assembly consisting of two parallel discs spaced from each other by a pattern of ribs. Spaces between the ribs provide ventilating passages into which air enters and circulates through the disc and ports extending through the...     

A two piece brake disc includes an outer ring shaped member and an inner ring shaped member disposed concentrically within and joined to the outer member. One of the members comprises a structural member for mounting the disc with the other member comprising a wear member having one or more frictional...     

A brake disc mounting on a shaft in which a spacer is interposed between the disc and a pilot rib of the shaft to facilitate brake disc removal and reduce disc distortion effects. There may be an opening adjacent the spacer which provides for displacement of a portion of the spacer to accommodate the...     

A disc brake includes a friction element which has a portion of increased axial thickness defining an initial friction surface, the center of pressure of this surface being radially offset from the center of pressure of the whole friction surface of the element so that a relatively large braking torque...     

A rotatable brake or clutch friction disc formed of a material having characteristic strength weakness in tension and shear modes and provided with an annular metal force transmitting member interposed between the disc and fixed or rotatable portions of the brake or clutch. The annular metal force transmitting...     

An automobile mounted winch having a clutch-brake assembly comprising a disc shaped ratchet plate positioned between two friction shoes, acting as a clutch in one direction and a speed governor in another direction, and a stationary brake. A plurality of friction buttons extend through the ratchet plate...     

A brake disc for disc brakes for vehicles comprises a brake disc annular element mounted on a hub. The annular element and hub are interconnected by a plurality of clamping sleeves seated in radially opposed bores in the hub and annular element. Each clamping sleeve comprises two sleeves disposed co-axially...     

A brake disc comprises two flat, parallel friction rings interconnected by radial and axial ribs, with each ring being formed by at least two joined sectors. A circular flange extends radially inwardly from the rings and has a shoulder for receiving the lip of a flexible cylindrical web extending concentrically...     

A braking disc is split into two arc-shaped body sections each having opposite faces for engagement with brake pads; and a retention device is located in the space between such faces for releasably retaining the sections in assembled relation.

In a transmission having friction plate devices such as drive clutches and reaction brakes to establish drives, the friction plate devices have a plurality of alternate friction material faced complete annular steel plates and unfaced open annular steel plates both having spline tangs. A single width...     

An annular rotor defined by a plurality of arcuate segments arranged in end to end relationship to form a friction disc. The arcuate segments are held in relatively loose annular formation by a retaining ring provided with opposite side plates fixedly secured thereto and between which radially extending...     

Disc brake for heavy-duty application in which peripheral portion of disc has cooling passages to conduct cooling liquid therethrough to remove heat generated by braking. Rotary seal cooperating with disc conducts cool liquid to and if desired can return warmed liquid from the cooling passages. Cooling...     

In a disc for a disc brake a clamping assembly having a certain amount of resilience holds two identical braking portions in engagement with a central plate, and a coupling device is provided for transmitting torque from the braking portions to the central plate and for maintaining the braking portions...     

A torque limiting brake for a heavy duty automotive clutch. The brake, which is keyed to the driven shaft, is engaged by the release mechanism when the clutch is disengaged and moved into engagement with an adjacent stationary surface. This operates to stop the rotation of the driven shaft which tends...     

A torque limiting brake for a heavy duty automotive clutch. The brake, which is keyed to the driven shaft, is engaged by the release mechanism when the clutch is disengaged and moved into engagement with an adjacent stationary surface. This operates to stop the rotation of the driven shaft which tends...     

A brake disc mounting on a shaft in which a spacer is interposed between the disc and a pilot rib of the shaft to facilitate brake disc removal and reduce disc distortion effects. There may be an opening adjacent the spacer which provides for displacement of a portion of the spacer to accommodate the...     

At least two juxtaposed brake rings forming a brake disc for disc brakes are carried by a cup-shaped hub and connected with one another by the hub. Each of the two members have the same basic form and are fitted into one another. Each of the members integrally forms a brake ring and hub members which...     

This invention relates to an annular braking disc in which a pair of spaced-apart braking members are connected by a first set of radial fins, each adjacent spaced-apart pair of which is integral with the opposite sides of one of a second set of radial fins, the radial length of which is less than the...     

Disclosed is a disc brake assembly for vehicles such as trucks, tractor-trailers, and the like. A disc, coupled to a vehicle wheel (or wheel-pair), is rotatably mounted in a housing fixed with respect to the vehicle. The disc has two planar braking faces, is permitted a limited degree of axial translation,...     

A mechanism for mounting a brake disc on a rotatable member using a plurality of mounting bolts, which mechanism includes a mounting ring secured against radial movement and interposed between the bolts and the disc which permits radial expansion of the disc without transmitting the disc movement to...     

A disc brake comprising a plurality of alternating stators and rotors each comprising a friction lining at least one of which is constituted by a support and a shoe engaged in the support. Each shoe comprises a first part of larger cross-section and a second part of smaller cross-section extending from...     

A braking disc is split into two arc-shaped body sections each having opposite faces for engagement with brake pads; an elongated fastener and a guide pin are located in the space between such faces for releasably guiding and retaining the sections in assembled relation, and thickened ribs and associated...     

A brake for drive motors wherein a brake disk is adapted to be pressed against a stationary brake lining which is provided with a bead-like rim and which is held elastically both radially and axially via a molded rubber member having a profile which bears a mating relationship to the bead-like rim, thereby...     

A brake disc connection, especially for rail vehicles, in which the undivided brake ring or the brake ring divided along a radial or axial plane is by a clamping connection which includes a clamping groove and clamping strip clamped therein connected to the hub or wheel. The hub or the wheel as well...     

An annular friction element for a multi-disc brake comprises pads of friction material alternating around the element with radial arms by which the pads are clamped relative to a ring joining the arms, the arms being of greater extent than the ring radially of the element.

A friction segmented brake disk has a plurality of arcual segments which are rigidly fastened together by a tongue extending from at least one end portion of the segment and is received by an adjacent segment recess and fastened thereto by at least two fastening members. The tongue, recess, and fastening...     

Air cooled brake disc having first and second disc-shaped face portions with each face portion having an outer braking surface and an inner surface. A plurality of radially disposed webs extend between the face portions from an inlet adjacent an inner portion of the disc to an outer portion of the disc,...     

A brake disk and process for producing the same which is particularly suitable for use on motorcycles. A stainless steel material of particular chromium content is subjected to a heat-treating and press-quenching step to form a brake disk having a sufficient hardness required for the function of a brake...     

In a multiple disc wet brake or clutch of the type having a disc pack wherein the plurality of alternate discs, that have projections extending radially inward for operative interconnection with a rotatable hub, are provided with a plurality of equiangularly spaced circumferential locating tangs extending...     

In a rotor for vehicle brakes, for example, discs for disc brakes and drums for shoe-drum brakes, the braking member is carried from one side of a driving component for connection to a wheel or shaft. The outer face of the member remote from the driving component comprises a braking surface which can...     

A clutch brake unit suitable for use in conjunction with a heavy duty clutch assembly for retarding the motion of the driven clutch shaft. The unit is actuated by the clutch release mechanism which causes the unit to be compressed between a movable member and a stationary member as the clutch is being...     

A rotor for a caliper brake with a disc mounted on a cylindrical adaptor. The disc includes a coiled metal strip having a rectangular cross section with edge surfaces aligned to provide friction faces for engagement by friction lining carriers of the brake while decreasing the vibration and noise during...     

A disc brake of the type including a pair of friction pads mounted on opposite sides of a rotatable disc, a stationary supporting member supporting the friction pads for directly receiving the braking torque from the friction pads, and a caliper supported on the supporting member and being slidable thereon...     

A brake disc is connected to a hub to be braked in a non-rotatable and axially displaceable relationship by an elastic soft steel band disposed between and frictionally engaging arcuate projections of the hub and arcuate projections of the brake disc which are disposed between the projections of the...     

A brake disc rotor is formed from two disc shaped members with each disc having a flat surface and integrally formed fins extending from an opposing surface thereof. The ends of the fins are welded together to form the rotor. The fins of one member are welded to a convoluted outer rim section of a hat...     

A brake disc for an axle of a railway vehicle comprises a friction disc annular element mounted concentrically on a hub by a plurality of clamping sleeves or bolts seated in radially opposed bores in the hub and annular element. A pretensioned resilient retaining member exerts a radially inwardly directed...     

A brake disk particularly for railway vehicles has a brake disk annular element mounted on a hub by at least three radially extending adaptor sleeves seated in radially opposed bores in the hub and annular element. A conical member within an end portion of the adaptor sleeve can be moved inwardly by...     

Brake discs of carbon or other porous material in which the opposed faces of the discs are provided with shallow grooves extending between the inner and outer circumferences to vent steam and other gases generated during braking. The grooves of the stationary discs may be at different angles relative...     

A disc brake free from dragging torque while being in non-braking state. In this brake, a gap between the friction surface of a rotary disc and the acting surface of an actuator for urging a braking pad assembly onto the disc is made progressively larger into a wedge shape toward the axis of the disc....     

A brake rotor with a ceramic-metallic coating. The ceramic-metallic coating provides a wear resistant surface. The coating generally comprises about 30 to 70% by weight of ceramic particles in about 30 to 70% by weight metallic carrier material compatible with the substrate and carbide.

A disc brake comprises a rotatable brake disc, and a pad assembly disposed in opposed relation to the pressure bearing surface of the brake disc. The pressure bearing surface of the brake disc is inclined diametrically thereof, and the pad assembly is adapted to displace diametrically of the brake disc...     

A ventilated disk brake includes a pair of brake pads which is substantially the same as the prior art, and a rotor. The rotor has a brake-pad engaging portion in which a pair of brake-pad engaging walls are formed to be pressed between and by the pair of brake pads. A plurality of cooling ribs extend...     

There is disclosed a clutch/brake mechanism of the "disc" type wherein the coacting friction producing members are severally configured of frusto-conical and planar form whereby sealing contact is maintained at the peripheral surfaces thereof when in a brake-released condition to thereby prevent entrance...     

A friction brake assembly for use with axially aligned rotor brake discs that are interleaved with stator brake discs. The rotor discs have a plurality of circumferentially spaced slots along their inner periphery. The slots opposite side walls are beveled and are complimentarily engaged by the beveled...     

A friction brake disc assembly having a plurality of axially aligned annular shaped rotor discs splined for axial movement interleaved with annular stator discs which are splined for axial movement along a mating key member or members that are fixedly secured to a torque tube. The discs have a plurality...     

An external, multi-caliper brake for positive torque controlling as well as for controlling the rotation of a shaft is shown in the preferred brake embodiment of this invention as having a hub arranged to be mounted to the shaft with a longitudinally centrally located, finned friction disc mounted to...     

A disc brake assembly has a plurality of pairs of cantilever arms that extend in opposite axial directions and support a brake ring on a hub. The arms expand and contract under thermal and inertial loads.

A friction brake disc that has a pair of spaced annular surfaces with an inner and outer periphery. Slots within the disc and located either along the outer or inner periphery receive an insert for transferring the loading forces to the walls of the slot to prevent fraying, cracking or crumbling thereof....     

A friction clutch element is disposed for mounting to a rotatable clutch disc. The element is designed to improve the uniformity in coefficient of friction values over a friction surface area thereof during clutch operation, particularly when such surface is formed of ceramic material. The element includes...     

A friction clutch disc comprises an annular support plate and annular friction facings on the respective sides of the support plate. Bores in the friction facings are generally in axial alignment with openings in said support plate, and rivets secure the respective friction facings to the support plate...     

Multi-disc brake, of the type incorporating at least one first rotary disc firmly fixed to the wheel of the vehicle and a second rotary disc mounted so as to slide on a support component itself firmly fixed to the wheel, the driving in rotation of the second disc by the said support component being effected...     

The invention relates to a multi-disc brake comprising a stationary rotary disc (1) and a movable rotary disc (2) which is mounted on a splined sleeve (5) sliding on a splined part (3a) of a hub (3) which has an axis (4) and with which the disc (1) is solid. An assembly of friction blocks (6 to 9) can...     

The disc consists of a core (1), being a hub (3) surrounded by spokes (2), and friction pads in the form of annular sectors (8) having recesses (15, 16) in their inside backs (10) to cooperate with the spokes (2) in providing radial guidance and angular locking. Elastic means are provided for removably...     

A disc brake assembly for the front or rear wheel of a motorcycle including a brake disc having pairs of projections located on its periphery at 120.degree. intervals. The pairs of projections may be placed on either the outer periphery or the inner periphery of the brake disc. The projections define...     

A brake disc comprises an inner mounting member and outer annular braking member and a driving connection between the two members. The braking member has the usual flat annular braking surfaces. The driving connection comprises a square shaped drive dog which engages in corresponding notches in the outer...     

A brake disc assembly with fasteners for securing the disc to a wheel, together with spacers associated with the fasteners for allowing the disc limited axial play relative to the wheel, there being a holder on the disc having surfaces between which the spacers are gripped.

To improve the cooling of the rotor armature (2), of an electromagnetic brake, joined to an outer flange (11) by a ring of ventilating fins, these fins are constituted by two or three rings of incurved tiles (9.sub.1, 9.sub.2, 9.sub.3) straddling radially in part.

A disc for use as a rotor (10) or stator (18) in a multiple-disc brake. The disc (10) has an annular peripheral band (15) provided with a series of circumferentially spaced through slots (12) which open through a periphery of the disc. Each slot is defined by edges (13, 13a) which extend away from the...     

An improved apparatus and method for fabricating a composite disc brake rotor. In accordance with this invention, a composite rotor having a stamped center section and a cast or forged braking face portion is mounted onto a press which produces a central axially deflected "bubble" of metal. The formation...     

A disk brake in which the brake is assembled with the thickness of the available wear portions of a first group of disks being different from the thickness of the available wear portions of a second group of disks. After a predetermined number of brake applications, the first group of disks is replaced...     

A brake system for large off-road vehicles in which the vehicle has a central, non-rotating housing for each wheel supported to and forming a part of the vehicle structure, an outer rotatable wheel section including an outer hub and wheel rim rotatably supported to the housing, an annular brake disc,...     

An armature assembly in an electromagnetically actuated braking mechanism and including a circular armature plate having a central opening defined by a circumaxial series of radially inwardly extending armature teeth. The inner ends of the armature teeth cooperate to define a coaxial crest circle. A...     

A disc brake system for a shuttle orbiter including an annular disc element (10) having internal radially directed and angularly spaced relief slots (12) and trapezoidial shaped carbon pad members (15) disposed circumferentially around the disc element. T Clips (19, 19') snugly engage the outer ends...     

A cap clip for a slot in a brake disc wherein a pair of circumferentially spaced cap clips are mounted on the peripheral edges of each circumferential slot. Each cap clip has an arcuate extension that seats into an arcuate recess in the bottom corner of each slot. Each cap clip also has side portions...     

To improve the cooling of the rotor armature disc of an electromagnetic brake, connecting to an external web by a ring of arms forming ventilation fins, the web bounding with the disc and the portions of fins which connect it to this disc, channels for ventilation air, on one at least of the surface...     

The brake disk device has a cast brake disk with brake plates and a brake sk carrier connected to the brake disk. The carrier has integral connecting parts which are cast into the brake disk in composite casting. The brake disk carrier can consequently be securely connected to the brake disk during casting....     

A brake disk has a ring-shaped braking section with plural inner circumferential spokes, a hub section with plural outer circumferential spokes, a dish-shaped spring so placed on the same side surfaces of a pair of the plurality of spokes as to be in pressure contact commonly therewith, and a connecting...     

An axially split brake disk that includes two brake bands that form a brake ring and are interconnected by ribs. The brake disk further includes two brake ring halves that are separated by concentric and radially extending seams of division, in each of which one of the brake ring halves is provided with...     

A disk brake comprising of a disk hub adapted to be mounted to a wheel; a plurality of annularly shaped rotors or disks; a support for mounting the rotors to the disk hub such that the rotors rotate with disk hub and are free to slide in a first direction substantially perpendicular to the direction...     

A friction element to be secured to a hub member in a friction clutch, comprises a back plate (21) provided with a friction facing (23) on at least one side thereof, the friction facing (23) being of trefoil shape with a first lobe (24) extending radially inwardly and second and third lobes (25, 26)...     

A brake disk assembly is provided wherein the friction disk section has protrusions on the portion of the disk nearer the hub spoke like that overlap joining protrusions from the hub section. The protrusions are joined with stepped size pins that fit a first size opening in the hub section and a second...     

A friction disk assembly includes a driven annular member having a plurality of radially extending torque transmitting support segments circumferentially spaced, each support segment defining an opening and supporting a friction laminate member across the opening. Each laminate includes a single backing...     

A friction disc assembly includes a plurality of one piece or unitary friction elements each containing a pair of opposed planar friction surfaces. Each element is adapted for being supported within an opening of a clutch driven disc, wherein a pair of backing plates virtually supports each disc by trapping...     

A disc brake or clutch assembly having rotatable rotor discs and non-rotatable discs which are movable axially into engagement. The rotatable rotor discs are secured to an annular splined mounting member which has a plurality of grooves therein to circulate cooling air. The rotor discs have a plurality...     

A cap clip for a slot in a brake disc wherein a pair of circumferentially spaced cap clips are mounted on the peripheral edges of each circumferential slot. Each cap clip has an arcuate extension that seats into an arcuate recess in the bottom corner of each slot. Each cap clip also has side portions...     

A disk brake comprising of a disk hub adapted to be mounted to a wheel; a plurality of annularly shaped rotors or disks; a device for mounting the rotors to the disk hub such that the rotors rotate with disk hub and are free to slide in a first direction substantially perpendicular to the direction of...     

A disk for use with disk brakes, which can perform in a vibration-free manner with uniform heating, comprises a braking band formed by two annular rings in mutually spaced apart relationship and interconnected by small heat radiating pillars distributed in between the rings according to a quincunx type...     

An improved rotor includes an inner body having a center aperture and peripheral rim. Five evenly-spaced bolt apertures are located in the forward face of the inner body and equidistant from the center aperture. Five ribs extend radially inwardly from the peripheral rim and are evenly spaced intermediate...     

An internally air cooled brake disc assembly of the invention is manufactured by casting in small pieces to eliminate problems associated with casting large discs with integral air cooling passages. The assembly has a main disc member and a plurality of disc segments secured to the main disc member....     

The present specification discloses a braking disc for a disc brake. The braking disc comprises an annular disc member with a number of radially inwardly projecting lugs, located coaxially with respect to a central hub member which has a number of radially outwardly projecting lugs, the lugs on the hub...     

The present invention provides a disc for a disc brake, the disc comprising two annular members arranged coaxially with respect to each other and joined together by generally radially extending vanes and pillars, which project from a central web located between the annular members. The vanes extend for...     

A composite rotor and an improved hat section structure therefor, wherein the hat section is formed to include a rim having a non-planar, rotor-engaging periphery. A rotor discoid is then cast around the hat section so that a portion of the rotor discoid encloses or covers at least the non-planar periphery...     

An anti-roll device for vehicles, especially for those with standard gearshift, including a brake disc having ratchet gear on its peripheral surface; a link engageable with the ratchet gear; a solenoid valve connecting to and actuating the link and controlling the engagement between the link and the...     

A center load clutch brake assembly has a pair of covers secured together to form a housing enclosing torque limiting components which include a ring shaped inner brake washer having a pair of radially inwardly extending lugs for engaging splines or grooves formed in a drive shaft coupled between a vehicle...     

The present invention is an improved disc useful as a clutch plate. The disc has a major surface, preferably a flat planar surface, and a hole, having a hole circumference, through the disc at the major surface. Preferably the disc is circular with a concentric hole. The disc further comprises at least...     

A friction assembly is disclosed. A support plate which functions as a friction lining support, is connected with hub plates which are placed against both its frontal sides by using slitted spring collets.

The invention relates to a brake disc or brake drum or else the combination of both. The brake discs are provided with rotationally symmetrical braking areas and a removable, anti-corrosive coating. The coating completely covers the surface of the brake disc. Between the coating and the braking area...     

An improved rotor for a disk brake is disclosed having a multi-piece construction. The rotor has a central web extending around a driving drum portion such that the web defines several generally radially extending cooling passages. The central web is mounted on the driving drum portion so as to be capable...     

A stationary brake member (45) which is used in an electromagnetic brake apparatus, comprises a first press-worked plate (45h) and a second press-worked plate (45m) which are laminated to each other. The second press-worked plate (45m) has plural hooks (45q), (45s) to grip the first press-worked plate...     

A wheel rim for a two-wheeled vehicle has a spray coated metallic and/or ceramic layer covering at least a part of a rim surface with which a brake shoe is brought into contact when a brake is applied.

An interlocking clutch brake provides first and second parts adapted to radially fit together to form a disc-shaped body having a central aperture for engaging a clutch shaft. Both first and second parts are U-shaped, and are interlocked together by means of mating tongue and groove members. The first...     

A clutch driven disc assembly includes a ventilated support plate and friction element to reduce the build up of heat during use. The support plate includes a plurality of radially extending paddles. A pair of friction elements are secured to the opposed sides of each of the paddles. Each paddle has...     

A brake disk for motor vehicle disk brakes, comprising a disk rim with at least one friction ring, and an inner cup on which the disk rim is fastened. The disk rim and the inner cup consist of cast materials. In order that the inner cup and the disk rim can be produced more simply and correspond better...     

The brake disk according to the invention has on the nave a supporting ring ith radial depressions. Parts of the disk rim engage in a limited radially displaceable way in these depressions, but are mounted with a form fit in the direction of torque. The nave consists of material of higher tensile strength...     

A wheel comprises a central hub and an outer rim interconnected by a web, with a pair of annular braking discs being mounted one on each side of the web by connection assemblies each comprising a plate member slidably retained in a generally radially extending slot in the rear face of a braking disc....     

A massive, stiff disc brake rotor is provided which is modified by providing cuts through part or all of the rotor section having the friction braking surfaces. In a preferred embodiment, the cut has an interlocking conformation so that there is less potential for radial distortion of the disc under...     

A wheel has a central hub and an outer rim interconnected by a web, with a pair of annular braking discs being mounted one on each side of the web and each composed of at least two curved segments, each secured to the web by a number of wide clearance bolts, at least two close clearance bolts and at...