FR2695094A1 - Brake disc, for vehicles, and combined drum for parking brake - has central dished section comprising two jaws which carry friction material which operates in conjunction with internal cylindrical surface of drum - Google Patents

Brake disc, for vehicles, and combined drum for parking brake - has central dished section comprising two jaws which carry friction material which operates in conjunction with internal cylindrical surface of drum Download PDF

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Publication number
FR2695094A1
FR2695094A1 FR9210494A FR9210494A FR2695094A1 FR 2695094 A1 FR2695094 A1 FR 2695094A1 FR 9210494 A FR9210494 A FR 9210494A FR 9210494 A FR9210494 A FR 9210494A FR 2695094 A1 FR2695094 A1 FR 2695094A1
Authority
FR
France
Prior art keywords
drum
jaws
parking brake
disc
brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR9210494A
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French (fr)
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FR2695094B1 (en
Inventor
Leroy Philippe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Priority to FR9210494A priority Critical patent/FR2695094B1/en
Publication of FR2695094A1 publication Critical patent/FR2695094A1/en
Application granted granted Critical
Publication of FR2695094B1 publication Critical patent/FR2695094B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • F16D65/127—Discs; Drums for disc brakes characterised by properties of the disc surface; Discs lined with friction material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/004—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00 comprising a rotor engaged both axially and radially by braking members, e.g. combined drum and disc brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D2051/001—Parts or details of drum brakes
    • F16D2051/005—Protective covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0037—Protective covers

Abstract

The brake disc, for a vehicle wheel, consists of a dished section (16), used to fix the disc to the central section of the wheel (10),and a peripheral section (22), which forms the two surfaces (24 & 26), which are used for braking. The central dished section (16) forms the drum for use by the parking brake, which consists of two jaws (32). The jaws carry a friction surface (34), which operates in conjunction with part of the internal cylindrical face (36) of the drum, designated as the bearing surface (A). This area (A) is coated with layer (38) of wear resistant stainless steel. ADVANTAGE - It improves the performance of the parking brake by increasing its wear and rust resistance.

Description

La présente invention concerne un disque de frein de roue de véhicule automobile et un procédé de fabrication de ce disque. The present invention relates to a motor vehicle wheel brake disc and a method of manufacturing this disc.

De façon classique, un véhicule est équipé de moyens de freinage dynamique assurant le freinage du véhicule lorsque celui-ci roule, et de moyens de freinage statique assurant l'immobilisation du véhicule lorsque celui-ci est arrêté. Conventionally, a vehicle is equipped with dynamic braking means ensuring the braking of the vehicle when it is traveling, and static braking means ensuring the immobilization of the vehicle when the latter is stopped.

Pour assurer le freinage dynamique du véhicule, on utilise habituellement des freins à disque montés sur deux ou quatre roues du véhicule. Le disque d'un frein comprend habituellement un bol de fixation au moyeu de la roue et des pistes de frottement, disposées sur chacune de ses faces, destinées à coopérer avec des garnitures de friction portées par un bloc de freinage. To ensure dynamic braking of the vehicle, disc brakes mounted on two or four wheels of the vehicle are usually used. The disc of a brake usually comprises a bowl for fixing to the hub of the wheel and friction tracks, arranged on each of its faces, intended to cooperate with friction linings carried by a brake block.

Pour assurer le freinage statique du véhicule, on utilise habituellement un frein de stationnement agissant sur les deux roues carrière du véhicule. I1 est connu d'équiper ces roues arrière de freins à disque et d'un frein de stationnement comportant des mâchoires coopérant avec la surface du bol de fixation de chaque disque de frein. Ce bol forme un tambour dont la surface interne comporte une zone de portée cylindrique sur laquelle viennent s'appliquer les mâchoires du frein de stationnement lorsque celui-ci est en position active. To ensure the static braking of the vehicle, a parking brake usually acting on the two career wheels of the vehicle is usually used. I1 is known to equip these rear wheels with disc brakes and a parking brake having jaws cooperating with the surface of the fixing bowl of each brake disc. This bowl forms a drum, the internal surface of which has a cylindrical bearing zone on which the shoes of the parking brake come to apply when the latter is in the active position.

Cette technique comporte des inconvénients. This technique has drawbacks.

Lorsque le frein de stationnement est à l'état neuf, il est nécessaire d'effectuer un rodage dynamique du bol de fixation du disque et des mâchoires associées afin d'obtenir une bonne adhérence statique de ces éléments. When the parking brake is in new condition, it is necessary to perform a dynamic running-in of the disc fixing bowl and the associated jaws in order to obtain good static adhesion of these elements.

Le disque de frein étant habituellement en fonte, la zone de portée coopérant avec les mâchoires du frein de stationnement est susceptible de s'oxyder. La rouille formée sur la zone de portée détériore l'adhérence des mâchoires sur cette zone. Par conséquent, il est nécessaire d'effectuer périodiquement une élimination de la rouille, par exemple en faisant rouler le véhicule avec le frein de stationnement en position active. As the brake disc is usually made of cast iron, the bearing area cooperating with the parking brake shoes is liable to oxidize. Rust formed on the bearing area deteriorates the grip of the jaws on this area. Therefore, it is necessary to periodically remove rust, for example by rolling the vehicle with the parking brake in the active position.

L'invention a pour but de remédier à ces inconvénients et de permettre un fonctionnement optimal du frein de stationnement, non détériorié par l'oxydation du disque de frein, ceci en minimisant les opérations de rodage du frein de stationnement. The invention aims to remedy these drawbacks and to allow optimal operation of the parking brake, not deteriorated by the oxidation of the brake disc, this by minimizing the running-in operations of the parking brake.

A cet effet, l'invention a pour objet un disque de frein de roue de véhicule automobile comportant un bol de fixation au moyeu de la roue, ce bol formant tambour pour un frein de stationnement du véhicule comportant des mâchoires destinées à coopérer avec une zone de portée cylindrique de la surface latérale interne du tambour, caractérisé en ce que la zone de portée est revêtue d'une couche comprenant un métal inoxydable dur résistant à l'usure due aux frottements des mâchoires sur la couche de revêtement. To this end, the subject of the invention is a motor vehicle wheel brake disc comprising a bowl for fixing to the wheel hub, this bowl forming a drum for a vehicle parking brake comprising jaws intended to cooperate with an area cylindrical bearing surface of the internal lateral surface of the drum, characterized in that the bearing zone is coated with a layer comprising a hard stainless metal resistant to wear due to friction of the jaws on the coating layer.

Suivant d'autres caractéristiques de l'invention
- la couche de revêtement recouvre également deux zones bordant la zone de portée et s'étendant de part et d'autre de la largeur de cette zone de portée,
- les zones de bordure s'étendent à partir de la zone de portée sur au moins 2mm de largeur,
- la couche de revêtement comprend du chrome.According to other features of the invention
the coating layer also covers two zones bordering the bearing zone and extending on either side of the width of this bearing zone,
- the border zones extend from the range zone over at least 2mm in width,
- the coating layer comprises chromium.

L'invention a également pour objet un procédé de fabrication d'un disque tel que défini ci-dessus, caractérisé en ce qu'on dépose la couche de revêtement sur la surface latérale interne du tambour par voie électrolytique ou par métallisation. The invention also relates to a method of manufacturing a disc as defined above, characterized in that the coating layer is deposited on the internal lateral surface of the drum by electrolytic means or by metallization.

Un exemple de réalisation de l'invention sera décrit ci-dessous en se référant au dessin annexé comportant une figure unique qui est une demi-vue en coupe partielle d'un frein de roue de véhicule automobile comportant un disque selon l'invention. An exemplary embodiment of the invention will be described below with reference to the accompanying drawing comprising a single figure which is a half-view in partial section of a motor vehicle wheel brake comprising a disc according to the invention.

On voit sur la Figure, une roue arrière 10 de véhicule automobile, d'axe de rotation X, fixée sur un disque 12 de frein selon l'invention par des moyens connus, non représentés sur la figure. We see in the Figure, a rear wheel 10 of a motor vehicle, of axis of rotation X, fixed to a brake disc 12 according to the invention by known means, not shown in the figure.

Sur la figure, on a représenté uniquement la jante 14 de la roue 10, sans le pneumatique. In the figure, only the rim 14 of the wheel 10 is shown, without the tire.

De façon classique, le disque 12 est en fonte et comporte une partie centrale formant bol 16 fixé sur une platine 18, solidaire du moyeu de la roue, par des goujons 20 dont un seul est représenté sur la figure. Conventionally, the disc 12 is made of cast iron and has a central part forming a bowl 16 fixed on a plate 18, integral with the hub of the wheel, by studs 20, only one of which is shown in the figure.

Le disque 12 comporte également une partie périphérique 22 délimitée par deux faces 24, 26 formant des pistes de frottement destinées à coopérer avec les garnitures de friction d'un bloc de freinage de type connu, non représenté sur la Figure. The disc 12 also includes a peripheral part 22 delimited by two faces 24, 26 forming friction tracks intended to cooperate with the friction linings of a braking block of known type, not shown in the Figure.

On a également représenté sur la figure, un protége-disque 28 en tôle emboutie fixé sur une platine 30 solidaire de la fusée portant la roue 10. There is also shown in the figure, a disc protector 28 in stamped sheet metal fixed on a plate 30 secured to the rocket carrying the wheel 10.

De façon classique, le bol 16 forme un tambour pour un frein de stationnement du véhicule. Ce frein de stationnement comporte des mâchoires 32, de type connu, portées par des moyens classiques solidaires de la fusée de support de roue. Conventionally, the bowl 16 forms a drum for a vehicle parking brake. This parking brake comprises jaws 32, of known type, carried by conventional means integral with the wheel support spindle.

Chaque mâchoire 32 comporte une garniture de friction 34 destinée à coopérer avec une portion cylindrique de la surface latérale interne 36 du bol 16 appelée zone de portée A, pour immobiliser la roue. Each jaw 32 has a friction lining 34 intended to cooperate with a cylindrical portion of the internal lateral surface 36 of the bowl 16 called the bearing zone A, to immobilize the wheel.

Sur la figure, la largeur de la zone de portée
A est délimitée par des traits mixtes.In the figure, the width of the range area
A is delimited by dashed lines.

La surface 36 est revêtue d'une couche 38 comprenant un métal inoxydable dur, de préférence du chrome, poreux ou non, résistant à l'usure due aux frottements des mâchoires 32 sur cette couche de revêtement 38.  The surface 36 is coated with a layer 38 comprising a hard stainless metal, preferably chromium, porous or not, resistant to wear due to the friction of the jaws 32 on this coating layer 38.

La couche de revêtement 38 s'étend sur tout le contour interne du bol 16 et sur une largeur telle qu'elle recouvre la zone de portée A et deux zones B, C annulaires bordant cette zone de portée A de part et d'autre de sa largeur. The coating layer 38 extends over the entire internal contour of the bowl 16 and over a width such that it covers the bearing zone A and two annular zones B, C bordering this bearing zone A on either side of its width.

De préférence, les zones de bordure B, C s'étendent à partir de la zone de portée A sur au moins 2 mm de largeur. Preferably, the border zones B, C extend from the range zone A over at least 2 mm in width.

La couche de revêtement 38 inoxydable empêche l'oxydation de la zone de portée A. The coating layer 38 stainless prevents oxidation of the range area A.

Le revêtement inoxydable des zones de bordure
B,C permet d'éviter que la corrosion éventuelle de la surface du disque 12, en limite de la couche de revêtement 38, ne parviennent jusque dans la zone de portée A en s'infiltrant sous la couche de revêtement 38.The stainless coating of the border areas
B, C makes it possible to prevent any corrosion of the surface of the disc 12, at the edge of the coating layer 38, from reaching the bearing zone A by infiltrating under the coating layer 38.

La couche de revêtement est déposée sur la surface 36 par des moyens connus, par exemple par voie électrolytique ou par métallisation, notamment au pistolet. The coating layer is deposited on the surface 36 by known means, for example by electrolytic means or by metallization, in particular with a spray gun.

L'invention ne se limite pas au mode de réalisation décrit. The invention is not limited to the embodiment described.

En particulier, il est possible de revêtir la zone de portée avec des métaux inoxydables durs autres que le chrome adaptés à différentes sortes de garnitures de friction recouvrant les mâchoires du frein de stationnement. In particular, it is possible to coat the bearing area with hard stainless metals other than chrome suitable for different kinds of friction linings covering the shoes of the parking brake.

L'invention comporte de nombreux avantages. The invention has many advantages.

Le revêtement en métal inoxydable dur recouvrant la zone de portée du tambour de frein de stationnement permet d'augmenter le coefficient d'adhérence des mâchoires du frein sur cette zone de portée et de réduire les opérations de rodage dynamique du frein de stationnement. The coating of hard stainless metal covering the range of the parking brake drum makes it possible to increase the coefficient of adhesion of the brake shoes on this range of range and to reduce the dynamic running-in operations of the parking brake.

Le revêtement inoxydable protège la zone de portée contre la rouille et les zones revêtues bordant la zone de portée permettent d'éviter la migration de rouille dans la zone de portée, ceci pendant toute la durée de vie du disque de frein.  The stainless coating protects the bearing area against rust and the coated areas bordering the bearing area make it possible to prevent rust migration into the bearing area, this throughout the lifetime of the brake disc.

Claims (5)

REVENDICATIONS 1. Disque de frein de roue de véhicule automobile comportant un bol (16) de fixation au moyeu de la roue (10), ce bol formant tambour pour un frein de stationnement du véhicule comportant des mâchoires (32) destinées à coopérer avec une zone de portée (A) cylindrique de la surface latérale interne (36) du tambour (12), caractérisé en ce que la zone de portée (A) est revêtue d'une couche (38) comprenant un métal inoxydable dur résistant à l'usure due aux frottements des mâchoires (32) sur la couche de revêtement (38). 1. Motor vehicle wheel brake disc comprising a bowl (16) for attachment to the wheel hub (10), this bowl forming a drum for a vehicle parking brake comprising jaws (32) intended to cooperate with an area cylindrical bearing surface (A) of the internal lateral surface (36) of the drum (12), characterized in that the bearing zone (A) is coated with a layer (38) comprising a hard wear-resistant stainless metal due to friction of the jaws (32) on the coating layer (38). 2. Disque selon la revendication 1, caractérisé en ce que la couche de revêtement (38) recouvre également deux zones (B,C) bordant la zone de portée (A) et s'étendant de part et d'autre de la largeur de cette zone de portée (A). 2. Disc according to claim 1, characterized in that the covering layer (38) also covers two zones (B, C) bordering the bearing zone (A) and extending on either side of the width of this range area (A). 3. Disque selon la revendication 2, caractérisé en ce que les zones de bordure (B,C) s'étendent à partir de la zone de portée (A) sur au moins 2mm de largeur. 3. Disc according to claim 2, characterized in that the border zones (B, C) extend from the bearing zone (A) over at least 2mm in width. 4. Disque selon l'une quelconque des revendications 1 à 3, caractérié en ce que la couche de revêtement (38) comprend du chrome. 4. Disc according to any one of claims 1 to 3, characterized in that the coating layer (38) comprises chromium. 5. Procédé de fabrication d'un disque de frein de roue de véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce qu'on dépose la couche de revêtement (38) sur la surface latérale interne (36) du tambour (12) par voie électrolytique ou par métallisation.  5. Method for manufacturing a motor vehicle wheel brake disc according to any one of the preceding claims, characterized in that the coating layer (38) is deposited on the internal lateral surface (36) of the drum ( 12) electrolytically or by metallization.
FR9210494A 1992-09-02 1992-09-02 Motor vehicle wheel brake disc and method of making the disc Expired - Fee Related FR2695094B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9210494A FR2695094B1 (en) 1992-09-02 1992-09-02 Motor vehicle wheel brake disc and method of making the disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9210494A FR2695094B1 (en) 1992-09-02 1992-09-02 Motor vehicle wheel brake disc and method of making the disc

Publications (2)

Publication Number Publication Date
FR2695094A1 true FR2695094A1 (en) 1994-03-04
FR2695094B1 FR2695094B1 (en) 1994-11-10

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FR9210494A Expired - Fee Related FR2695094B1 (en) 1992-09-02 1992-09-02 Motor vehicle wheel brake disc and method of making the disc

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003074897A1 (en) * 2002-02-28 2003-09-12 The Timken Company Wheel mounting
CN110392794A (en) * 2017-02-27 2019-10-29 福乐尼·乐姆宝公开有限公司 Disc brake rotor with parking braking cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135411A (en) * 1983-02-24 1984-08-30 Lucas Ind Plc Friction element and method of manufacture thereof
EP0261357A2 (en) * 1986-09-26 1988-03-30 AlliedSignal Inc. Integrated disc brake and drum brake construction
FR2631044A1 (en) * 1988-05-06 1989-11-10 Hautes Technologies Indles Brake friction surface, process and device for its manufacture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135411A (en) * 1983-02-24 1984-08-30 Lucas Ind Plc Friction element and method of manufacture thereof
EP0261357A2 (en) * 1986-09-26 1988-03-30 AlliedSignal Inc. Integrated disc brake and drum brake construction
FR2631044A1 (en) * 1988-05-06 1989-11-10 Hautes Technologies Indles Brake friction surface, process and device for its manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003074897A1 (en) * 2002-02-28 2003-09-12 The Timken Company Wheel mounting
US6811003B2 (en) 2002-02-28 2004-11-02 The Tinken Company Wheel mounting
CN110392794A (en) * 2017-02-27 2019-10-29 福乐尼·乐姆宝公开有限公司 Disc brake rotor with parking braking cylinder

Also Published As

Publication number Publication date
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