WO2020175190A1 - Dispositif de frein - Google Patents

Dispositif de frein Download PDF

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Publication number
WO2020175190A1
WO2020175190A1 PCT/JP2020/005860 JP2020005860W WO2020175190A1 WO 2020175190 A1 WO2020175190 A1 WO 2020175190A1 JP 2020005860 W JP2020005860 W JP 2020005860W WO 2020175190 A1 WO2020175190 A1 WO 2020175190A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
braking
electric actuator
backing plate
brake device
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.)
Ceased
Application number
PCT/JP2020/005860
Other languages
English (en)
Japanese (ja)
Inventor
明大 岩田
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.)
Advics Co Ltd
Original Assignee
Advics Co 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 Advics Co Ltd filed Critical Advics Co Ltd
Publication of WO2020175190A1 publication Critical patent/WO2020175190A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • 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
    • 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
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
    • F16D65/09—Pivots or supporting members therefor
    • 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
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes

Definitions

  • the present disclosure relates to a braking device.
  • a brake including a braking member that brakes a drum rotor that rotates integrally with a wheel, a backing plate that supports the damping member, and an electric actuator that is provided on the backing plate and operates the braking member.
  • a device is known (for example, see Patent Document 1).
  • Patent Document 1 Japanese Patent Laid-Open No. 20 1 5 _ 1 8 7 4 6 3
  • one of the problems of the present disclosure is, for example, that it is possible to suppress the influence of the adhered matter on the wheel when the wheel rotates, which may be a more inconvenient problem.
  • the goal is to obtain a few new braking devices.
  • the brake device of the present disclosure includes, for example, a braking member that switches between a braking state in which a wheel is braked and a released state in which the braking of the wheel is released, a backing plate that supports the braking member, and a backing plate.
  • An electric actuator for actuating the braking member has a base end to be coupled and a tip extending from the base end.
  • the backing plate has only a cut-out unit and a protection portion located nearer to the tip than the base end as a protection portion for the wall-shaped tip described above that is displaced in the circumferential direction of the wheel with respect to the tip. And a protector stationary with respect to.
  • the protector has only a protective portion closer to the tip than the proximal end of the actuator as a wall-shaped protective portion provided at a position displaced in the circumferential direction of the wheel with respect to the tip of the electric actuator. Therefore, the protector can be made smaller or lighter than the structure having the protective portion closer to the base end than to the tip end of the actuator.
  • Fig. 1 is an exemplary and schematic rear view of the brake device of the embodiment as seen from the rear of the vehicle.
  • FIG. 2 is an exemplary and schematic side view of the brake device of the embodiment as viewed from the inside in the vehicle width direction.
  • FIG. 3 is an exemplary and schematic rear view of a brake device of a modified example of the embodiment as seen from the vehicle rear side.
  • FIG. 4 is an exemplary and schematic side view of a brake device of a modified example of the embodiment as viewed from the inside in the vehicle width direction.
  • the arrow X indicates the front of the vehicle
  • the arrow ⁇ indicates the vehicle width direction outward
  • the arrow indicates the vehicle upper side.
  • the axial direction of the rotation center X is simply referred to as the axial direction
  • the radial direction of the rotation center X is simply referred to as the radial direction
  • the circumferential direction of the rotation center X is simply referred to as the circumferential direction.
  • FIG. 1 is a rear view of the brake device 2 for a vehicle of the embodiment from the vehicle rear side
  • FIG. 2 is a side view of the brake device 2 from the inside in the vehicle width direction.
  • the braking device 2 is housed inside the peripheral wall 13 of the cylindrical wheel 1.
  • the brake device 2 is a so-called drum brake.
  • the brake device 2 is provided with two brake shoes 3 which are separated from each other in the front and rear.
  • the two brake shoes 3 extend in an arc shape along the inner peripheral surface of a cylindrical drum rotor (not shown).
  • the drum rotor rotates together with the wheel 1 around the rotation center X along the vehicle width direction (direction).
  • the brake device 2 moves the two brake shoes 3 so as to contact the inner peripheral surface of the cylindrical drum rotor. This ensures that, by the friction of the brake shoe 3 and the drum rotor, is playing a drum rotor Hui _ le 1 is braked.
  • Shake _ Kish _ 3 is an example of the braking member
  • the brake device 2 includes, as an actuator that moves the brake shoe 3, a wheel cylinder (not shown) that operates by hydraulic pressure, and a motor 120 that operates by energization. Wheel cylinders and the motor 1 2 0, respectively, can be moved two shake _ Kish _ 3. Hui _ Lucirin Da is used, for example, braking during traveling, the motor 1 2 0 is used, for example, the braking at the time of parking. That is, the brake device 2 is an example of an electric parking brake.
  • the motor 120 may be used for braking during running. ⁇ 02020/175 190 4 (: 17 2020/005860
  • the brake device 2 includes a disc-shaped backing plate 4.
  • the backing plate 4 is installed in a posture intersecting with the rotation center 8X of the wheel 1. That is, the backing plate 4 extends substantially along a direction intersecting with the rotation center 8 X, specifically, along a direction orthogonal to the rotation center 8 X.
  • the components of the brake device 2 are provided both on the outside and inside of the backing plate 4 in the vehicle width direction.
  • the backing plate 4 supports each component of the brake device 2 directly or indirectly.
  • the backing plate 4 is connected to a connection member (not shown) for connecting to the vehicle body.
  • the connecting member is, for example, a part of the suspension (eg, arm, link, mounting member, etc.).
  • the brake device 2 can be used for both driving wheels and non-driving wheels.
  • the electric actuator 100 is mounted on the backing plate 4 in such a state that the backing plate 4 projects from the inner surface 4 3 in the vehicle width direction of the backing plate 4 to the side opposite to the brake shoe 3. It is fixed to.
  • the electric actuator 100 includes a housing 110, a motor 120, a speed reduction mechanism 130, a motion conversion mechanism 140, a cable (not shown), and a controller (not shown).
  • the housing 110 extends in a direction intersecting the radial direction when viewed in the axial direction.
  • the housing 110 supports a motor 120, a speed reducer mechanism 130, and a motion conversion mechanism 140.
  • the housing 1 1 0 has a lower case 1 1 2, a middle case 1 1 3, a first upper case 1 1 4, and a first upper case 1 1 5. These parts are integrated by using fasteners such as screws and bolts or insert molding.
  • the lower case 1 12 is made of, for example, a metal material such as an aluminum alloy. In this case, the lower case 1 12 can be manufactured, for example, by die casting.
  • the base end 1 1 2 3 of the lower case 1 1 2 is attached to the inside of the backing plate 4 in the vehicle width direction by a fastener such as a weld, a screw, or a bolt.
  • a fastener such as a weld, a screw, or a bolt.
  • the base end 1 12 3 is the base end of the electric actuator 100.
  • the lower case 1 1 2 is also called a base or body.
  • the middle case 113, the first upper case 114, and the upper case 115 are made of, for example, a synthetic resin material.
  • the motor 1 20 is housed in the first upper case 1 14 and covered by the wall portion of the first upper case 1 14. Further, the motion converting mechanism 1440 and the speed reducing mechanism 1300 are housed in the first upper case 115 and covered with the wall of the first upper case 115.
  • the central axis (not shown) of the motor 120 and the central axis (not shown) of the rotary member of the motion converting mechanism 140 are parallel to each other.
  • the configuration of the housing 110 is not limited to this example.
  • the first upper case 114 is separated from the first upper case 115 in one circumferential direction.
  • the first upper case 1 14 and the second upper case 1 15 are at least partially aligned in the circumferential direction.
  • the first upper case 11 5 projects radially outward from the backing plate 4 more than the first upper case 1 14 does. That is, in the present embodiment, as an example, the radially outer end portion 1 15 3 of the first upper case 1 15 is located at a position closest to the inner peripheral surface 1 13 of the wheel 1 of the electric actuator 100. is there.
  • the end 1 1 4 3 and the end 1 1 5 3 may also be referred to as a tip.
  • the end portions 1 1 4 3 and 1 1 5 3 are examples of the tip end of the electric actuator 100.
  • the motor 120 has, for example, a stator, a port, a coil, a magnet, an output shaft, and the like (all not shown).
  • the output shaft is part of the rotor.
  • the motor 120 is controlled by the controller and rotates the output shaft and the output shaft.
  • the motor 120 can also be called an actuator or a rotation source.
  • the speed reduction mechanism 1300 includes a plurality of gears rotatably supported by the housing 1100, and rotates in conjunction with the output shaft of the motor 1120 to decelerate.
  • the motion conversion mechanism 140 has a rotary member, a linear motion member, and a detent guide (none of which is shown).
  • the motion conversion mechanism 140 is an example of the rotation/linear motion conversion mechanism.
  • the control device for controlling the motor 120 is, for example, an ECU (electronic control unit).
  • a part of the control unit may be configured by hardware such as a CPU or a controller that executes software, or the control unit may be configured entirely by hardware. May be.
  • the control device may also be referred to as a control unit.
  • the motion conversion mechanism 140 has, for example, a screw mechanism.
  • the rotary member is provided with one of a male screw and a female screw that rub each other, and the linear member is provided with the other of the male screw and the female screw.
  • the housing 110 is provided with a detent guide that restricts the rotation of the linear motion member and guides it in the linear motion direction. In such a configuration, the detent guide restricts the rotation of the linear motion member and guides in the linear motion direction, so that the linear motion member linearly moves according to the rotation of the rotary member.
  • an actuating member such as a cable or a rod that is interlocked with the linear motion member is linearly actuated, and in conjunction with the actuating member, the brake shoe 3 is in a braking position (not shown). And between non-braking positions (not shown).
  • the state in which the brake shoe 3 is in the braking position is the braking state, and the state in which the brake shoe 3 is in the non-braking position is the non-braking state.
  • the brake device 2 is provided with the barrier 7.
  • the barrier 7 is connected to the backing plate 4 and is stationary with respect to the backing plate 4.
  • the barrier 7 is made of a metallic material such as an iron-based material.
  • the barrier 7 is made, for example, by pressing or bending a plate material.
  • the barrier 7 is fixed to the inner surface 4a of the backing plate 4 in the vehicle width direction by welding or a coupling tool such as a screw or a bolt.
  • the barrier 7 prevents an attachment (not shown) attached to the wheel 1 such as snow or ice and rotating together with the wheel 1 from hitting the electric actuator 100.
  • Barrier 7 is an example of a protector.
  • the barrier 7 is viewed from the inside in the vehicle width direction (axial direction). ⁇ 02020/175190 7 ((171?2020/005860
  • the electric actuator 100 is arranged in a generally circumferentially separated manner from the electric actuator.
  • the barrier 7 is separated from the electric actuator 100 in the counterclockwise direction around the rotation center 8X.
  • the barrier 7 extends from the backing plate 4 along the axial direction (inward in the vehicle width direction).
  • An end 70 of the barrier 7 on the inner side in the vehicle width direction is located on the inner side in the vehicle width direction than the end portions 1 1 43 and 1 1 53.
  • the barrier 7 has a convex portion 7 3 projecting in a direction crossing the axial direction (vehicle width direction).
  • the convex portion 73 forms a ridge line 73 1 that extends in the axial direction and is sharp in the direction intersecting the axial direction.
  • the convex portion 73 and the ridgeline 731 project in the circumferential direction.
  • ridge line 7 Need not be perfectly aligned with the axial direction but may be inclined with respect to the axial direction.
  • the ridgeline 731 extends in a direction intersecting the surface 43 of the backing plate 4.
  • the edge line 731 is also called an edge.
  • the convex portion 78 may also be referred to as a bent portion.
  • the protrusion 78 is an example of a protrusion.
  • the end 1 The wall-shaped portion that is offset in the circumferential direction with respect to 1 1 53 and intersects the circumferential direction is the protective portion 7.
  • the protective portion 7 is provided only in a portion closer to the end portion 1 1 43, 1 1 53 (tip) than the base end 1 1 23 of the electric actuator 100, and the electric actuator 100 It is not provided at a portion closer to the base end 1 123 than the end 1 1 43, 1 1 53 (tip).
  • the protective portion 7 is, for example, adjacent to or close to the end portions 1 1 43 and 1 1 53 with a gap.
  • the braking device 2 has the barrier 7 (protector), and the barrier 7 suppresses the deposit (not shown) rotating with the wheel 1 from hitting the electric actuator 100. To do. Therefore, according to such a configuration, it is possible to suppress the influence of the attached matter on the wheel 1 on the electric actuator 100.
  • the protective portion 7 which is positioned in the barrier 7 in the circumferential direction with respect to the end portions 1 1 43, 1 1 53 is closer to the end than the base end 1 1 2 3 of the electric actuator 100.
  • ⁇ 1 1 43, 1 1 53 (tip) is provided only on the side close to the ⁇ 02020/175190 8 ⁇ (: 171?2020/005860
  • the external force exerted by the barrier 7 having the protective portion 713 provided on the side closer to the end portions 1 1 43, 1 1 53 than the base end 1 1 2 3 As a result, it is possible to suppress a large rotational moment from being generated at the base end 1 123 of the electric actuator 100, and thus it is easy to suppress deformation or damage of the part of the backing plate 4 to which the base end 1 12 3 is attached.
  • the effect of the protective section 7 is not limited to the electric actuator 100 that extends in the circumferential direction and the tangential direction, but also in the electric actuator 100 that extends in various directions such as the axial direction and the radial direction. It is something that can be obtained.
  • the “coupling of the electric actuator 100 and the barrier 7 to the backing plate 4” is not limited to the direct coupling, but an indirect contact such as an intermediate member, a bracket, or another member such as a washer. Inclusive binding is also included.
  • the protective portion 7 slag is provided at the proximal end 1 1 23
  • the protective portion 7 slag is provided at the proximal end 1 1 23
  • Protective part 7 Protects the edges 1 1 43, 1 1 53 more reliably because the distance between the swelling and the edges 1 1 43, 1 1 53 becomes smaller and it becomes more difficult for deposits to exist at the intervals. be able to.
  • the protective portion 7 is closer to the end portion 1 1 4 3 ,1 1 53 than the base end 1 1 2 3 and the end portion 1 1 43, 1 1 53 to the base end 1
  • the barrier 7 can be realized as a smaller or lighter configuration compared to the configuration provided on both sides closer to 123.
  • the electric actuator 100 is used when viewed from the axial direction. ⁇ 02020/175190 9 box (: 171-12020/005860
  • the protection part 7 swells and the end part 1 It is provided adjacent to 1 1 5 3 in the circumferential direction. According to such a configuration, for example, in the electric actuator 100 which the protection portion 7 extends in a direction intersecting the radial direction when viewed from the axial direction, the end portion 1 1 1 5 3 can be protected more reliably.
  • the entire barrier 7 (protector) is displaced in the circumferential direction with respect to the electric actuator 100.
  • a worker such as a person or a robot may face the other of the barrier 7 and the electric actuator 100 with one of them attached to the other attachment position.
  • it since it can be moved in the axial direction from the mounting position, it is easier to install and remove the barrier 7 and the electric actuator 100, and the brake including the barrier 7 and the electric actuator 100
  • the degree of freedom in the assembly process of the device 2 is increased, and the labor and cost required for manufacturing and maintaining the brake device 2 can be reduced, which is an advantage.
  • the barrier 7 has the convex portion 7 3 (protruding portion) that protrudes in the direction intersecting the axial direction (here, the circumferential direction).
  • the section modulus of the barrier 7 is increased, since the thus stiffness and strength is increased, the barrier 7, which rotates with the wheel 1 Even if it is pressed by a kimono, it will not be easily deformed or damaged.
  • the convex portion 7 3 is separated from the end portions 1 1 4 3 , 1 1 5 3 in the direction (here, the positions of the end portions 1 1 4 3 and 1 1 5 3 in the circumferential direction). It protrudes on the opposite side). If the barrier 7 has a recessed portion that is recessed in a direction approaching the end portions 1 1 4 3 and 1 1 5 3, there is a possibility that deposits that rotate with the wheel 1 may accumulate in the recessed portion. In this respect, the convex portion 73 protruding in the direction away from the end portions 1 1 14 3 and 1 1 5 3 can prevent, for example, the barrier 7 from accumulating the adhering matter that rotates with the wheel 1.
  • the barrier 7 has a ridge line 7 3 1 which projects in a direction away from the end portions 1 1 4 3 and 1 1 5 3 and extends crossing the surface 4 3 of the backing plate 4.
  • the edge ⁇ 02020/175190 10 units (:171?2020/005860
  • Line 7 3 1 allows cracking of deposits that rotate with wheel 1. Therefore, according to such a configuration, for example, the barrier 7 can also function as a scraper having an edge at the ridge line 7 3 1, so that the adhered matter on the wheel 1 affects the electric actuator 100. Can be further suppressed.
  • the ridge line 7 3 1 of the outer surface (end surface) may also be sharply pointed, and may be curved relatively small radius of curvature.
  • FIG. 3 is a rear view of the brake device 2 for a vehicle according to the modified example of the embodiment from the rear of the vehicle
  • FIG. 4 is a side view of the brake device 28 from the inside in the vehicle width direction.
  • the brake device 2 of this modification has the same components as the brake device 2 of the above embodiment. Therefore, according to the brake device 28, the same action and effect based on the same component can be obtained.
  • the configuration of the electric actuator 108 is different from that of the above-described embodiment.
  • the housing 1108 has a cylindrical shape, and includes a cylindrical lower case 1 1 2 and a cylindrical upper case 1 1 6 and are connected in series.
  • a motor 120 is accommodated in the upper case 1 16 and a motion conversion mechanism 1 4 0 is accommodated in the lower case 1 12. Further, the speed reduction mechanism 1300 is housed inside at least one of the lower case 1 12 and the upper case 1 16. In the housing 1108, the motor 120, the speed reduction mechanism 1300, and the motion conversion mechanism 1440 are arranged in series. Among the motor 120, the speed reducer mechanism 130, and the motion converting mechanism 140, the motion converting mechanism 1440 is located closest to the base end 1112 of the lower case 1112.
  • the base ends 1 1 2 3 are joined to the inner surface 4 3 of the backing plate 4 in the vehicle width direction by a fastener such as a weld or a screw or a bolt, and the upper end is connected to the upper end.
  • the end 1 1 63 of the case 1 16 opposite to the base 1 1 2 3 is separated from the face 4 3.
  • the housing 1108 extends along a virtual plane substantially orthogonal to the center of rotation. ⁇ 02020/175190 11 ((171?2020/005860
  • the housing 11 08 has a direction intersecting the radial direction when viewed in the axial direction, a circumferential direction of the rotation center 8X, or the rotation center 8X. It extends in the tangential direction of a virtual circle around the center.
  • the barrier 78 is fixed to the backing plate 4 and is stationary with respect to the backing plate 4.
  • the barrier 7 8 is entirely displaced in the circumferential direction with respect to the end 1 1 6 3 and functions as a protective portion 7 13. That is, also in this modification, the protective portion 7 has the base end 1 Since it is located only on the side close to the end portion 1163 (tip), the same effect as that of the above-described embodiment can be obtained with this configuration.
  • the above-described embodiment and the modified example are merely examples, and are not intended to limit the scope of the invention.
  • the above-described embodiments and modified examples can be implemented in various other forms, and various omissions, replacements, combinations, and changes can be made without departing from the scope of the invention.
  • the specifications of each configuration and shape can be changed as appropriate.
  • the protruding portion of the protector may be a protruding fin or wall.
  • the protection portion and the protector are provided in a counterclockwise direction about the rotation center with respect to the electric actuator when viewed from the inside in the vehicle width direction.
  • the present invention is not limited to this, and may be provided in a clockwise direction with respect to the electric actuator.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

L'invention concerne un dispositif de frein comprenant, par exemple : un élément de freinage qui commute entre un état de freinage pour le freinage d'une roue, et un état de libération pour relâcher le freinage de la roue ; un plateau de frein destiné à supporter l'élément de freinage ; un actionneur électrique qui actionne l'élément de freinage et comporte une extrémité de base couplée au plateau de frein et une extrémité avant qui s'étend à partir de l'extrémité de base ; et un protecteur qui est fixe par rapport au plateau de frein et qui comporte seulement une partie de protection d'extrémité avant de type paroi, qui est décalée dans la direction circonférentielle de la roue par rapport à l'extrémité avant et qui est positionnée plus près de l'extrémité avant que de l'extrémité de base.
PCT/JP2020/005860 2019-02-25 2020-02-14 Dispositif de frein Ceased WO2020175190A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-032168 2019-02-25
JP2019032168A JP2020133866A (ja) 2019-02-25 2019-02-25 ブレーキ装置

Publications (1)

Publication Number Publication Date
WO2020175190A1 true WO2020175190A1 (fr) 2020-09-03

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PCT/JP2020/005860 Ceased WO2020175190A1 (fr) 2019-02-25 2020-02-14 Dispositif de frein

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WO (1) WO2020175190A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136634U (fr) * 1986-02-20 1987-08-28
JP2013050137A (ja) * 2011-08-30 2013-03-14 Akebono Brake Ind Co Ltd ドラムブレーキ装置
WO2017069234A1 (fr) * 2015-10-23 2017-04-27 株式会社アドヴィックス Frein de véhicules
JP2017141937A (ja) * 2016-02-12 2017-08-17 曙ブレーキ工業株式会社 ドラムブレーキ装置
JP2019007537A (ja) * 2017-06-23 2019-01-17 日信工業株式会社 ドラムブレーキ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136634U (fr) * 1986-02-20 1987-08-28
JP2013050137A (ja) * 2011-08-30 2013-03-14 Akebono Brake Ind Co Ltd ドラムブレーキ装置
WO2017069234A1 (fr) * 2015-10-23 2017-04-27 株式会社アドヴィックス Frein de véhicules
JP2017141937A (ja) * 2016-02-12 2017-08-17 曙ブレーキ工業株式会社 ドラムブレーキ装置
JP2019007537A (ja) * 2017-06-23 2019-01-17 日信工業株式会社 ドラムブレーキ装置

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