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EP1165982A1 - Dispositif de reglage automatique pour frein a tambour et frein a tambour equipe de ce dispositif - Google Patents

Dispositif de reglage automatique pour frein a tambour et frein a tambour equipe de ce dispositif

Info

Publication number
EP1165982A1
EP1165982A1 EP00920593A EP00920593A EP1165982A1 EP 1165982 A1 EP1165982 A1 EP 1165982A1 EP 00920593 A EP00920593 A EP 00920593A EP 00920593 A EP00920593 A EP 00920593A EP 1165982 A1 EP1165982 A1 EP 1165982A1
Authority
EP
European Patent Office
Prior art keywords
brake
drum brake
adjusting device
drum
switch
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.)
Withdrawn
Application number
EP00920593A
Other languages
German (de)
English (en)
Inventor
Peter Johannes LÜDTKE
Frank Biebricher
Franz Blaeser
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of EP1165982A1 publication Critical patent/EP1165982A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
    • F16D66/025—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness sensing the position of parts of the brake system other than the braking members, e.g. limit switches mounted on master cylinders
    • 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
    • F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
    • F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
    • F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
    • F16D51/24—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
    • 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
    • F16D65/38—Slack adjusters
    • F16D65/40—Slack adjusters mechanical
    • F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
    • F16D65/56—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
    • F16D65/561—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake
    • F16D65/563—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake arranged adjacent to service brake actuator, e.g. on parking brake lever, and not subjected to service brake force
    • 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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • 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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/022—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness
    • F16D66/023—Apparatus for indicating wear using electrical detection or indication means indicating that a lining is worn to minimum allowable thickness directly sensing the position of braking members
    • F16D66/024—Sensors mounted on braking members adapted to contact the brake disc or drum, e.g. wire loops severed on contact
    • 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
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
    • F16D66/02—Apparatus for indicating wear
    • F16D66/021—Apparatus for indicating wear using electrical detection or indication means
    • F16D66/028—Apparatus for indicating wear using electrical detection or indication means with non-electrical sensors or signal transmission, e.g. magnetic, optical
    • 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
    • F16D2051/003—Brake supports

Definitions

  • the invention relates to an automatic drum brake adjustment device for compensating for friction lining and drum wear with a signal device which delivers a signal dependent on an adjustment path.
  • the invention further relates to a drum brake with such an adjusting device.
  • EP 0 460 378 A2 describes a brake actuation device with a device for adjusting a brake, which is used to maintain an approximately constant brake clearance between brake shoes and a brake drum and to monitor brake lining wear.
  • a first signal generator is provided, which generates a signal corresponding to the path when overcoming the brake clearance
  • a second signal generator which generates a signal corresponding to the path when adjusting.
  • the signals can be evaluated electrically. Attaching two signal transmitters to the adjusting device is cost-intensive and complex.
  • a drum brake with an automatic adjustment device is known from DE 25 08 614 C2.
  • the adjusting device comprises a variable-length strut, which is arranged between a brake shoe and an actuating lever and is held in contact with the brake shoe by spring force.
  • a ratchet lever is pivotally mounted on the brake shoe and engages in a ratchet gear rotatably mounted on the strut. If the friction lining on the brake shoe wears, the ratchet lever rotates the ratchet wheel and thus adjusts the length of the adjustable strut.
  • EP 0 140 241 proposes to equip such a drum brake with a wear warning conductor, which is attached to a stopper made of elastic, electrically insulating plastic one end of a brake shoe is attached.
  • the wear warning conductor is looped around the stopper in such a way that it comes into contact with the brake drum during braking if the friction lining has been largely but not yet completely worn out.
  • Similar systems of wear warning are known from US 1,902,759, US 2,146,357, US 2,217,176 and DE 709 251. The aim of these known devices is to determine when friction linings of the drum brakes of the vehicle have to be replaced or when brake shoes have to be adjusted.
  • DE 709 251 and US Pat. No. 2,182,554 disclose devices with which it can be recognized whether all brakes are set identically and can therefore also be applied uniformly and simultaneously.
  • DE 709 251 provides, on the basis of the above-described principle of sliding contact between a wear warning conductor and the brake drum, that each drum brake is equipped with such a wear warning conductor. By means of an associated light, the driver is informed by its simultaneous
  • Braking systems generally have the task of decelerating a vehicle, keeping its speed constant when driving downhill and determining it when parking.
  • the brakes are usually loaded evenly at least axially.
  • the invention has for its object to provide an automatic drum brake adjuster, which makes it easy to precisely recognize wear of the friction linings.
  • the invention provides an automatic drum brake adjustment device of the type mentioned, in which a variable-length adjustment strut is used, which comprises a sleeve and a threaded rod received in the latter, which can be unscrewed from the sleeve by means of a pinion.
  • a variable-length adjustment strut which comprises a sleeve and a threaded rod received in the latter, which can be unscrewed from the sleeve by means of a pinion.
  • Such an adjusting device known per se (see DE 25 08 641 C2), has the advantage with regard to the signal determination according to the invention that the required readjustment by a mechanism with a threaded rod and sleeve travel can be adjusted particularly sensitively, so that an accurate signal is generated.
  • the signal generated by the signal device is advantageously brought to a vehicle driver for visual and / or acoustic perception by means of a warning lamp or a warning tone.
  • This is possible in a particularly simple manner and can, for example, point out to the vehicle driver that maintenance of the drum brakes is required.
  • it is also possible to process the signal in a control unit of the brake system (ABS, ASR, brake-by-wire) and to take into account a change in the signal during predetermined periods.
  • a strong change in the signal during such a period indicates particularly strong, brief brake wear and shows a high load on the brake.
  • Appropriate countermeasures can prevent individual brakes from being overstressed.
  • a switch is actuated by the threaded rod after a predetermined adjustment path, which immediately triggers a warning signal (optically and / or acoustically).
  • the switch In order to achieve a space-saving arrangement of the switch which is protected from environmental influences, it is preferably arranged in the sleeve.
  • the signaling device should be designed to be particularly robust. This can be achieved, for example, by a switch with a purely mechanical switch contact.
  • the switch is designed as a magnetic switch, inductive or capacitive switch.
  • an influencing of the readjustment direction excluded by the switch and on the other hand the time course of the adjusted path can be determined particularly advantageously.
  • a friction lining that wears particularly quickly for a short time indicates, for example, overheating of the drum brake.
  • a drum brake in which the adjusting device according to the invention is used, is developed according to one embodiment in such a way that at least one running brake shoe is provided with an additional signal device for indicating wear of the friction lining.
  • This allows two redundant signals to be obtained, which indicate wear of the drum brake with extremely high security.
  • the signal of the signaling device on the adjusting device is dependent on the friction lining and drum wear, while the signal of the additional signaling device is exclusively dependent on the friction lining wear. By forming the difference from these two signals, wear on the drum alone can be deduced.
  • the drum brake is developed in such a way that a conductor leading to the signal device is guided within the return springs, which reset the brake shoes. Furthermore, such a conductor can extend through an opening in an anchor plate of the drum brake, which is arranged axially symmetrically with respect to another opening which is provided for the passage of a hand brake cable, a component of a plug-in coupling preferably being fastened in the other opening.
  • the drum brake can be further developed in that the conductor extends through an opening in a dome of the anchor plate, a plug-in coupling preferably being fastened in the opening by means of a hollow rivet. In this way, the attachment of the conductors is particularly secure and durable.
  • the functionality of the signaling devices is checked particularly advantageously in that a conductor leading to the signaling device is monitored for quiescent current.
  • the additional signal device is preferably attached to a brake shoe by means of a locking washer, spreading arms or a locking nut. In this way, it is particularly easy to assemble and disassemble.
  • FIG. 1 shows an embodiment of a drum brake according to the invention in front view
  • FIG. 3 shows the section III-III in Fig. 1,
  • Fig. 4 shows a first embodiment of an inventive
  • Adjusting device in a partially sectioned view in a position as it is assumed for new friction linings
  • FIG. 5 shows the adjusting device in FIG. 4 in a position as it is assumed when the friction linings are worn
  • FIG. 6 shows a second embodiment of an adjusting device according to the invention in a partially sectioned view with a contactless switch
  • FIG. 7 shows a first embodiment of the contactless switch from FIG. 6 on an enlarged scale
  • 8 shows a second embodiment of the contactless switch from FIG. 6 on an enlarged scale
  • FIG. 9 shows a third embodiment of the contactless switch from FIG. 6 on an enlarged scale
  • FIG. 10 is a circuit diagram of an adjusting device according to the invention.
  • Fig. 11 shows a first embodiment of an additional
  • FIG. 12 shows a second embodiment of an additional signal device in a section through a brake shoe
  • FIG. 13 shows a third embodiment of an additional signal device in a section through a brake shoe.
  • FIG. 1 shows a drum brake 10 with two brake shoes, a left, running brake shoe 12 and a right, running brake shoe 14, which are fastened to an anchor plate 16 by means of holding-down devices 18 and 20, respectively.
  • the brake shoes 12 and 14 are supported with their lower ends 22 and 24 in the figure on a dome 26 which protrudes from the anchor plate 16 from the plane of the figure.
  • a hydraulic wheel brake cylinder 32 is arranged between the upper ends 28 and 30 of the two brake shoes 12 and 14 in a known manner.
  • the two brake shoes 12 and 14 are radially surrounded by a brake drum 34 which is circular in section.
  • the drum brake 10 can also be used as a parking brake.
  • a hand brake lever 36 (shown partly in dashed lines) which is rotatably mounted in a bearing 38 in the upper end region of the right brake shoe 14.
  • an adjustment device 40 is provided, to which an adjustment strut 41 belongs, which extends in the upper region of the drum brake 10 between the two brake shoes 12 and 14.
  • the adjusting strut 41 comprises a pressure sleeve 42, a push rod 44 received therein and an adjusting pinion 46 screwed onto the latter.
  • the hand brake lever 36 is coupled to the left brake shoe 12 via the adjusting strut 41.
  • the free end of the hand brake lever 36 is connected to a hand brake cable 48. If this is pulled to the left, the hand brake lever 36 pivots about the bearing 38 and presses the brake shoes 12, 14 against the drum 34 via the adjusting strut 41.
  • the braking torque is transmitted via the dome 26 into the
  • Anchor plate 16 and initiated by this in the vehicle axis.
  • brake shoe retraction springs 50 and 52 are arranged, which bias the brake shoes away from the brake drum, so that the
  • Brake shoes 12, 14 return to their rest position after releasing the brake. In the rest position, the spring forces of the return springs 50 and 52 are absorbed by the adjusting strut 41 and the dome 26.
  • a return spring 54 wound spirally around the hand brake cable 48 supports the pivoting back of the hand brake lever 36 into the rest position until it strikes a stop 56 on a web plate 58 of the right brake shoe 14 which extends radially inwards.
  • a friction lining 60 or 62 is attached, which moves to the drum 34 when the brake is actuated and is pressed against its inside.
  • the brake shoes 12 and 14 pivot about the support surfaces of the dome 26.
  • the adjustment strut 41 is relieved of the retraction force of the upper shoe return spring 52 and the distance between the support surfaces of the adjustment strut 41 on the web plate 58 of the right brake shoe 14 (or the stop surface on the Hand brake lever 36) and a web plate 64 of the left brake shoe 12 increases.
  • a two-armed adjusting lever 66 which also belongs to the adjusting device 40, is pivotably supported by a clamping sleeve 68 serving as a bearing and pressed into the web plate.
  • the adjusting lever 66 is supported on the push rod 44 with a shorter left lever arm 70, while a right, longer lever arm 72 engages in a saw toothing 74 of the adjusting pinion 46.
  • An adjusting spring 75 is arranged between the adjusting lever 66 and the lower region of the web plate 64 and pulls the adjusting lever 66 downward. The readjusting spring 75 thus constantly exerts a torque acting clockwise around the clamping sleeve 68 on the adjusting lever 66.
  • the adjustment lever 66 can pivot about the clamping sleeve 68.
  • the right lever arm 72 rotates the adjustment pinion 46, which unscrews the push rod 44 from the push sleeve 42.
  • the push rod 44 is thereby fixed relative to the push sleeve 42 in a more extended position.
  • the adjusting lever 66 is also pivoted back into the starting position.
  • the adjusting lever 66 slides back over the saw toothing 74 of the adjusting pinion 46 in accordance with the extent of the previously performed pivoting movement and engages behind a tooth of the saw toothing 74. So that is an overall Cycle of an adjustment movement carried out on the adjustment strut 41.
  • the adjustment strut 41 comprises the pressure sleeve 42 with a tubular section 76, into which the pressure rod 44 projects with part of a threaded rod 78.
  • the adjusting pinion 46 is screwed onto the threaded rod 78 until it abuts the pressure sleeve 42. Clamping forces which act on the ends of the adjustment strut 41 are thus transmitted via the tubular section 76 of the pressure sleeve 42 to the adjustment pinion 46 and from there to the threaded rod 78 of the pressure rod 44.
  • a switch 79 with an insulating sleeve 80, an electrically conductive contact pin 82 guided therein and a compression spring 84 biasing it is arranged at the bottom.
  • An electrical line 86 connects the contact pin 82 to a display device (not shown), which can emit a warning tone or a warning light, or to a circuit arrangement 88, which is described below and is shown in FIG. 10.
  • the compression spring 84 can consist of an electrically insulating material, but can also be designed as a metal wire spring if additional insulation is present between the contact pin 82 and the base of the tubular section 76.
  • An insulating disk can also be inserted between the compression spring 84 and the contact pin 82, or a head 92 of the contact pin 82 consists of insulating material.
  • FIG. 4 shows the state of new friction linings 60 and 62.
  • the contact pin 82 lies under the force of the compression spring 84 against the end face 90 of the threaded rod 78 arranged in the tubular section 76.
  • An electrical monitoring current flows through line 86, contact pin 82, the end face 90, the push rod 44, the brake shoes 12 and 14 and the anchor plate 16.
  • the pressure rod 44 is moved out of the pressure sleeve 42 to produce an adjustment path.
  • the end face 90 of the pressure rod 44 is moved further and further out of the pressure sleeve 42 until the contact pin 82 has covered a distance x and the head 92 lies against the bottom of the insulating sleeve 80.
  • FIG. 10 shows the circuit arrangement 88 which actuates an active warning lamp when the monitoring current is interrupted.
  • the monitoring current flows from a voltage source with an output voltage of 12 volts, such as a vehicle battery, via a series resistor R1, which is, for example, 330 ⁇ .
  • the switch 79 shown closed in FIG. 10 closes the circuit with low resistance to a connection connected to ground.
  • An interruption of the switch 79 causes the current to be conducted to ground via a resistor R2, for example 510 ⁇ , and an active warning lamp L.
  • the signal triggered by the wear of the friction linings 60 and 62 thus causes the warning lamp L to light up.
  • the circuit arrangement can also be designed in such a way that a single interruption of the monitoring current leads to the warning lamp lighting up continuously.
  • the switching path x of the switch 79 and thus the permissible wear of the friction linings 60 and 62 and the drum 34 can be defined over the length of the contact pin 82.
  • the sleeve 80 can for this purpose, are pressed into the pressure sleeve 42 to a predetermined depth.
  • a brush which is well known from electric motor construction and also from generator construction, a spring-guided sliding contact made of graphite, for example natural, metal or electrographite, can be provided as contact pin 82 and compression spring 84, which leads to the current transfer conveyed to a collector or to a slip ring.
  • the switch 79 is designed as a contactless switch.
  • Figures 6 to 9 show three examples.
  • FIG. 7 shows an inductive
  • FIG. 8 a capacitive
  • FIG. 9 a magnetic force-operated scanning of the adjustment path.
  • an additional signal device 94 is also made for an additional signal device 94 to be arranged on one of the friction linings of the drum brake. As shown in FIG. 1, the additional signaling device 94 is let into the friction lining 60 in the lower region of the running brake shoe 12.
  • the signaling device 94 is inserted into a cavity of a rivet shank 96, as is provided for a lining rivet, and comprises a wire loop 98 embedded in plastic Wire loop 98 into a recess 100 of the friction lining 60, so that when the friction lining 60 wears, the wire loop 98 is severed and a signal can thus be supplied to a circuit arrangement 88.
  • the additional signal device 94 can be attached to the brake shoe 12 in various ways.
  • the additional signal device 94 shown in FIG. 11 is pressed into the cavity of the rivet shaft 96, flanged and additionally attached by a lock washer 102.
  • the additional signal device 94 shown in FIG. 12 is inserted directly into the rivet shaft 96 and has a plurality of spreading arms 104 which spread apart after the rivet shaft 96 has penetrated and secure the signal device 94 against wandering out.
  • the additional signaling device 94 shown in FIG. 13 carries a nut 108 on a threaded shaft 106. After passing through the rivet shaft 96, the warning device 94 is secured by means of the nut 108.
  • the lines are also passed through the lower and upper jaw return springs 50 and 52 and through an opening 118 of the web plate 58.
  • the illustrated embodiments of the signaling device 79 can be used in existing series brakes practically without changes, which is why the adjusting device 40 is also suitable for retrofitting drum brakes that have already been supplied.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un frein (10) à tambour comprenant un dispositif (40) de réglage automatique qui permet un rattrapage de l'usure des garnitures (60, 62) de friction et du tambour (34). Pour détecter l'usure d'un frein à tambour, le dispositif (40) de réglage comprend une unité (79) de signalisation qui produit un signal, lequel dépend de la trajectoire de réglage du dispositif (40) de réglage. Cette trajectoire (x) de réglage est générée par un poussoir (41) de réglage de longueur variable composé d'une manchon (42) de pression entourant une tige (44, 78) filetée, cette dernière pouvant être vissée hors du manchon de pression sous l'action d'un pignon (46).
EP00920593A 1999-04-01 2000-03-27 Dispositif de reglage automatique pour frein a tambour et frein a tambour equipe de ce dispositif Withdrawn EP1165982A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19915007A DE19915007C1 (de) 1999-04-01 1999-04-01 Selbsttätige Trommelbremsen-Nachstellvorrichtung und Trommelbremse mit einer solchen Nachstellvorrichtung
DE19915007 1999-04-01
PCT/EP2000/002692 WO2000060250A1 (fr) 1999-04-01 2000-03-27 Dispositif de reglage automatique pour frein a tambour et frein a tambour equipe de ce dispositif

Publications (1)

Publication Number Publication Date
EP1165982A1 true EP1165982A1 (fr) 2002-01-02

Family

ID=7903347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00920593A Withdrawn EP1165982A1 (fr) 1999-04-01 2000-03-27 Dispositif de reglage automatique pour frein a tambour et frein a tambour equipe de ce dispositif

Country Status (4)

Country Link
US (1) US20020014959A1 (fr)
EP (1) EP1165982A1 (fr)
DE (1) DE19915007C1 (fr)
WO (1) WO2000060250A1 (fr)

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DE102004001538B4 (de) * 2004-01-10 2016-06-23 Yakiv Cherkasky Vorrichtung für die Signalisierung des Grenzverschleißes der Bremsbacken
DE102005055536A1 (de) * 2005-11-18 2007-05-31 Pex Kabeltechnik Gmbh Verfahren zur Montage eines Verschleissanzeigers an einer Bremse
US9469284B2 (en) 2008-04-01 2016-10-18 Donelson Brake Systems, Llc Method and apparatus for facilitating performance of vehicle braking systems
JP6916890B2 (ja) * 2017-10-20 2021-08-11 日立Astemo株式会社 電動パーキングブレーキ装置
CN108533647A (zh) * 2018-05-31 2018-09-14 临沂高新区鸿图电子有限公司 以弹性固定方式连接的磨损报警装置及带有该装置的制动器
CN115013460B (zh) * 2022-07-21 2023-06-16 临沂高新区鸿图电子有限公司 一种初始位置可调的直线行程报警机构

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US1902759A (en) * 1931-02-05 1933-03-21 Alfred S Cataudella Brake band signaling device
US2146357A (en) * 1936-07-09 1939-02-07 Otto W Schweikle Brake condition indicator
US2182554A (en) * 1936-10-08 1939-12-05 Galle Jean Baptiste Paul Henri Brake adjustement indicating device
US2217176A (en) * 1938-08-15 1940-10-08 Walter W Madison Brake wear indicating apparatus
DE709225C (de) * 1938-08-26 1941-08-09 Hans Lehr Gassammelbehaelter
DE709251C (de) 1940-07-03 1941-08-11 Anton Hock Anzeigevorrichtung an den Bremsen von Kraftfahrzeugen und Anhaengern
US3339676A (en) * 1965-06-21 1967-09-05 Gen Motors Corp Brake lining wear indicator by sensing adjustment link condition
US3388773A (en) * 1966-11-03 1968-06-18 Gen Motors Corp Vehicle brake lining wear indicating device
US3605085A (en) * 1969-08-18 1971-09-14 John L Fiorita Brake lining wear detection means
US3674114A (en) * 1970-09-11 1972-07-04 Bendix Corp Brake lining temperature probe
GB1416073A (en) * 1973-03-17 1975-12-03 Girling Ltd Fitments for brakes
GB1460847A (en) * 1974-02-27 1977-01-06 Girling Ltd Internal shoe drum brakes
DE8329776U1 (de) * 1983-10-14 1984-01-19 Lucas Industries P.L.C., Birmingham, West Midlands Trommelbremse mit verschleisswarnleiter
DE4017951A1 (de) * 1990-06-05 1991-12-12 Wabco Westinghouse Fahrzeug Bremsbetaetigungseinrichtung mit einer einrichtung zum nachstellen einer bremse
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Also Published As

Publication number Publication date
US20020014959A1 (en) 2002-02-07
WO2000060250A1 (fr) 2000-10-12
DE19915007C1 (de) 2000-11-02

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