JP2002098174A - Disc brake unit of pin-slide type - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a disc brake unit of a pin-slide type having a simple structure and no fear of dragging a brake pad, securing high efficiency and stabilization of brake performance. SOLUTION: The disc brake unit is configured so that at least one of two pin-slide mechanisms that are in a pair and isolated from each other towards the peripheral direction of a rotor is guided so as to freely slide by a contact of each metal in the direction where a caliper 20 is disposed in parallel with the rotor shaft direction against a carrier 10, and also configured so that an inner-brake pad 60 and an outer-brake pad 70 are hung at a hanger pin 82 mounted to the caliper 20 and both end faces of the peripheral direction of the rotor are supported by the carrier 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pin-slide type disc brake device frequently used in vehicles and the like.
More specifically, the present invention relates to a structure for supporting a brake pad.

[0002]

2. Description of the Related Art An example of a conventional pin-slide type disc brake device which has been practically used in automobiles will be briefly described. Its main configuration is a carrier fixed to a stationary part of a vehicle on one side of a disk rotor that rotates integrally with a wheel, a caliper movably guided by the carrier in a direction parallel to the rotor axis direction, and A pair of pin slide mechanisms spaced apart in the circumferential direction of the rotor for guiding the caliper, wherein at least one of the pin slide mechanisms is slidably guided by contact between metals; An inner brake pad movably mounted in a direction parallel to a rotor axis direction on a rail portion of the carrier that is spaced apart in a rotor circumferential direction on one side surface and supported in a rotor circumferential direction; On the other side, and movably mounted on both rail portions of the carrier extending over the outer periphery of the disk rotor in a direction parallel to the rotor axis direction. And an outer brake pad supported in the rotor circumferential direction, an actuator portion provided on one side of the caliper so as to press the inner brake pad, and a reaction force acting on the caliper when the actuator operates. A reaction portion of the caliper extending across the outer periphery of the disk rotor so as to press the outer brake pad. still,
The other of the pin slide mechanisms only needs to be a structure that can absorb processing tolerances. Like the above-described one pin slide mechanism, there is also a structure guided by contact between metals, or an elastic member is interposed. There is also a structure that is guided.

[0003] The brake operation in the above configuration will be described. When the actuator is actuated, the inner brake pad is pressed against one side of the disc rotor and frictionally engages, and the reaction force causes the caliper to be guided back by the two pin slide mechanisms, thereby causing the reaction portion of the caliper to move. The outer brake pad is pressed against the other side of the disk rotor to make frictional engagement. Then, both brake pads are supported on the rotor outlet side of the rail portion of the carrier while pressing the disk rotor to generate a braking force, thereby braking the disk rotor.

In such a disc brake device,
The caliper relative to the carrier is smoothly guided by the pin slide mechanism, and in addition to this, the sealing means for protecting the sliding portion of the caliper from various use conditions can be a relatively simple dust boot structure. Therefore, in combination with these simple measures, there is an advantage that the basic characteristics, that is, high efficiency and stabilization of the brake performance over a long period of time can be achieved, and that the drag of the brake pad when the brake is released can be reduced. . In addition, the rotational force about the pin slide mechanism of the caliper is irrespective of the braking force, and the frictional force generated in the reaction part that comes into contact with the outer brake pad is the majority, so it can be small, and the pin slide mechanism can be compared. In addition, there is an advantage that the pin slide mechanism can easily cope with the slight vibration of the caliper during traveling on a rough road.

On the other hand, the rail portion of the carrier has a mode in which only the inner brake pad side on one side of the disk rotor is supported, so that the carrier has a rigidity to withstand the braking force on the outer brake pad side. Large size and weight increase were unavoidable. In many cases, a rotor escape groove is provided on the brake center side of both rail portions of the carrier to avoid interference with the outer periphery of the disk rotor, and the gap between the groove and the disk rotor is reduced in view of downsizing of the carrier. The smaller the size, the more desirable it is, and usually has a disadvantage that the cost is increased because the cutting process is performed.

Another pin-slide type disk brake device is disclosed in Japanese Patent Publication No. Sho 56-48742. The main difference of the present apparatus from the former conventional example described above is that the caliper is elastically supported in the rotor circumferential direction together by a pair of pin slide mechanisms separated in the rotor circumferential direction, and is parallel to the rotor axial direction. The outer brake pad is integrally fixed to the reaction part of the caliper, and extends across the reaction side of the caliper and the outer periphery of the rotor of the carrier. The point is that the gap between the existing pin slide mechanism and the rail portion is set small, and this rail portion serves as a bearing surface on the outer brake pad side from the beginning of braking.

[0007] The brake operation in this configuration will be described.
When the actuator is actuated, the inner brake pad is pressed against one side of the disk rotor and frictionally engaged, and the reaction force causes the caliper to be guided while distorting the elastic members of both pin slide mechanisms in the rotor circumferential direction. As a result, the outer brake pad fixed to the caliper is pressed against the other side surface of the disk rotor to cause frictional engagement. The inner brake pad is supported on the rotor extending side of the rail portion of the carrier, and the outer brake pad side is supported by the reaction side of the caliper on the rotor extending side of the rail portion of the carrier to generate a braking force.

According to this disc brake device, the rail portion on the outer brake pad side extending over the outer periphery of the disc rotor from the inner brake pad side of the carrier can be omitted, and interference with the outer peripheral portion of the disc rotor can be eliminated. This eliminates the need for groove processing of the rail portion for avoiding the above problem, so that the above-mentioned disadvantage of the conventional example can be solved.

[0009]

However, the latter conventional pin-slide type disc brake device also has the following problems. <B> The caliper at the time of braking is configured such that the pair of guide pins both contact the elastic member and slide while distorting the elastic member in the circumferential direction of the rotor, so that the amount of distortion of the elastic member during braking gradually increases. However, as a result, the sliding resistance gradually increases,
Efficiency reduction and stability of braking performance, which are basic characteristics, are impaired.

<B> Since the caliper is held by the elastic member, it is extremely difficult to completely suppress the micro-vibration of the caliper when traveling on a rough road, and there is a possibility that the brake pad may be dragged. If the holding force of the elastic member is increased to suppress this micro-vibration, or if the holding force of the separately attached caliper restraining spring is increased, the sliding resistance of the caliper is increased. It is extremely difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is an object of the present invention to secure a high efficiency and stabilization of a brake performance and to have a light and simple structure which is free from a risk of dragging a brake pad. To provide a pin slide type disc brake device.

[0012]

According to a first aspect of the present invention, there is provided a carrier fixed to an immovable portion on one side of a disk rotor, and an actuator portion on one side of the disk rotor, and the other side. A caliper that straddles the outer peripheral portion of the rotor with a reaction portion, and is movably guided with respect to the carrier in a direction parallel to the rotor axis direction, and a pair of pins that are guided in the rotor circumferential direction and guide the caliper. A slide mechanism, wherein at least one of the pin slide mechanisms is slidably guided by metal-to-metal contact, and a pair of brake pads disposed on both sides of the disk rotor. When both of the brake pads are suspended by a hanger pin bridged between the actuator section and the reaction section of the caliper. Characterized in that the end faces of the rotor circumferential direction are supported on respective carrier, it is a pin sliding disc brake device.

According to a second aspect of the present invention, in the first aspect, the pair of pin slide mechanisms guide a guide pin, one of which is fixed to the caliper, and a respective other shaft of the guide pin. A hole formed in a boss portion of the carrier, and the pair of pin slide mechanisms extend from one side surface of the disk rotor across the outer periphery of the rotor, and opposing surfaces of the boss portion in a rotor circumferential direction. And a bearing surface for supporting both brake pads.

[0014] The invention according to claim 3 is the invention according to claim 1 or 2.
In the above, the inner brake pad on the actuator portion side is regulated by the carrier to vibrate in any one of the brake radial directions, and the outer brake pad on the reaction portion side is the carrier to the other radial direction in the brake radial direction. A pin slide type disc brake device characterized in that vibration is restricted.

The invention according to claim 4 is the invention according to claims 1 and 2
In any one of the above, when the caliper is in a state where one of the guide pins of the pair of pin slide mechanisms is pulled out, the caliper can rotate in the brake outward direction with the other of the guide pins as a fulcrum. This is a pin-slide type disc brake device characterized in that:

According to a fifth aspect of the present invention, in the fourth aspect, the end of the caliper located between the bearing surfaces of the carrier in the rotor circumferential direction and in the brake direction is located outside the bearing surface of the carrier. A pin-slide type disc brake device, which is provided on the side.

[0017]

According to the pin slide type disc brake device of the first aspect, the slide of the caliper during the brake operation is guided mainly by the main pin slide mechanism in which one metal contacts each other, and the other slides. It is guided auxiliary by the sub-pin slide mechanism. As a result, the sliding resistance can be kept small and stable over a long period of time, and high efficiency and stability of the braking performance can be achieved. In addition, fine vibration of the caliper can be effectively suppressed. ,
In addition, when the brake is released, the caliper can smoothly return to the original position, so that the drag of the brake pad can be reduced. The acting force acting on the caliper in the circumferential direction of the rotor is mostly the friction force generated in the actuator contacting the inner brake pad and the friction force generated in the reaction portion contacting the outer brake pad irrespective of the braking force. And the caliper can be simplified. Furthermore, the vibration of the brake pads when traveling on rough roads can be effectively suppressed by the hanger pins that suspend the brake pads and the bearing surface of the carrier that supports the rotor in the circumferential direction. Can be carried out by inserting and removing the hanger pin, so that there is no danger of the brake pad being accidentally dropped on the ground and soiling the surface of the friction material.

In the pin slide type disc brake device according to the present invention, the pin slide mechanism extends across the outer periphery of the rotor, and both brake pads are supported on the boss portion of the carrier constituting the pin slide mechanism. Since the bearing surface is formed, the structure of the carrier can be particularly simplified.

In the pin-slide type disk brake device according to the third aspect, the vibration of the caliper in the brake radial direction is applied to both the brake pad and the hanger pin regulated by the carrier in addition to the pin slide mechanism. In addition, it can be more effectively suppressed.

In the pin slide type disc brake device according to the fourth aspect, for example, if the sub guide pin is pulled out, the caliper can rotate toward the outside of the brake with the main guide pin as a fulcrum. The actuator can be inspected and maintained without removing it from the carrier, making the operation easier.

Furthermore, in the pin-slide type disk brake device according to the fifth aspect, the end of the caliper located between the bearing surfaces of the carrier in the rotor circumferential direction and the brake inward direction is located outside the brake bearing surface from the carrier bearing surface. Since it is only necessary to provide it on the side, the design is easy.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a pin slide type disc brake device according to a first embodiment of the present invention will be described with reference to FIGS. D shown by a virtual line in FIGS. 1 and 4 is a disk rotor that rotates integrally with the wheels. The carrier 10 fixed to an immovable part such as a knuckle of a vehicle on one side surface of the disk rotor D with a bolt (not shown) or the like has a substantially U-shaped plate-shaped portion facing the one side surface of the disk rotor D. When viewed from the disk rotor D side, on both inner surfaces facing each other while being spaced apart in the rotor circumferential direction,
Inverted L-shaped and L-shaped rail portions 11 and 12 cut out upward from a middle portion in the rotor radial direction are formed.
A pair of bosses 13 and 14 traverse the outer circumference of the disk rotor D and extend to the other side of the disk rotor D in a direction parallel to the rotor axis direction at both ends located outside the brake. The bosses 13 and 14 are provided with bottomed holes 15 and 16 from one side of the disk rotor D, respectively. Further, the bearing surfaces 17, 1 which are parallel to the rotor axial direction and oppose each other over the entire outer circumference of the boss portions 13, 14.
8 are formed, and support surfaces 17 ', 18' perpendicular to the bearing surfaces 17, 18 are formed on the inner side of the brake on the other side of the disk rotor D, respectively.

A caliper 20 slidably guided by a pin slide mechanism in a direction parallel to the rotor axis direction with respect to the carrier 10 is provided with an actuator portion 21 on the plate-shaped portion of the carrier 10 opposite to the disk rotor D side. And a forked reaction portion 23 facing the other side of the disk rotor D at a predetermined interval, and the two
4 and is integrally formed so as to straddle the outer peripheral portion of the disk rotor D and has a substantially U-shape. A window hole 25 is provided on an extension of a line connecting the brake center of the bridge portion 24 and the cylinder center of the caliper 20, and the actuator portion 2
A through hole 26 and a female screw 27 parallel to the rotor axis direction are provided on the outer side of the brake of the reaction portion 1 and the reaction portion 23, respectively. A cylinder hole 22 having a bottom is formed in the actuator portion 21 from the disk rotor D side. A piston 30 is slidably fitted in the cylinder hole 22 and an intermediate portion of the cylinder hole 22 in the axial direction. A seal member 31 having a rollback function is fitted into the formed annular groove to define a fluid chamber 32. Further, both wing portions 28, 28 extending from the actuator portion 21 in the rotor circumferential direction.
Are provided with internal threads 29, 29, respectively, which are parallel to the rotor axis direction. A dust boot 33 for sealing the sliding portion of the piston 30 is provided between the open end of the cylinder hole 22 and the tip of the piston 30.

The right main guide pin 40 in FIG.
It comprises a head 41, a male screw shaft 42 below the neck thereof, and a small diameter shaft 43 extending from the male screw shaft 42. The guide pin 40 is screwed into the female screw 29 of the one wing portion 28 of the caliper 20 from the rear side of the actuator portion 21 until the head portion 41 comes into close contact with the female screw shaft portion 42 and is firmly fixed. The shaft 43 is slidably and tightly fitted into the bottomed hole 15 of the boss 13 of the carrier 10. On the other hand, FIG.
The middle left sub-guide pin 50 also includes a head portion 51, a male screw shaft portion 52 under the neck thereof, and a small-diameter shaft portion 53 extending from the male screw shaft portion 52. The head 51 is screwed into the female screw 29 of the other wing portion 28 of the caliper 20 from the rear side of the actuator portion 21 until the head portion 51 comes into close contact therewith, and is firmly fixed. An elastic member, here a rubber ring member 54, which is set to absorb and fit into the other bottomed hole 16 of the carrier 10 and fitted in the annular groove at the end of the small-diameter shaft portion 53. It is slidably fitted in the bottomed hole 16. The caliper 20 is slidably guided in the direction parallel to the rotor axis direction with respect to the carrier 10 by the pair of pin slide mechanisms. still,
The sliding portions of both pin slide mechanisms are sealed by bellows-shaped dust boots 80, 81 provided between the open ends of the bottomed holes 15, 16 of the carrier 10 and the guide pins 40, 50, respectively. .

The inner brake pad 60 comprises a back metal 61 and a friction material 64 fixed thereto. The back surface of the back metal 61 contacts the front surface of the piston 30, and the friction material 64
Of the caliper 20 is loosely fitted into the window hole 25 of the caliper 20 so that the front surface of the caliper 20 faces the one side surface of the disk rotor D with a slight gap therebetween,
A hole formed in the hanging portion 62 is suspended by a hanger pin 82 inserted from the direction of the through hole 26 of the caliper 20 with a bush 65 made of rubber or the like interposed therebetween. The hook-shaped ears 63, 63 formed at both ends are the rails 11, 12 of the carrier 10.
Are mounted movably in a direction parallel to the rotor axis direction. The bush 65 in the present embodiment is not an essential part because the bush 65 is inserted so as to absorb the processing tolerance instead of roughening the processing tolerance of the related dimension. A pad spring made of a non-rusting thin plate material, for example, a stainless steel plate, may be interposed between the ear portions 63, 63 of the back metal 61 of the pad 60 and the rail portions 11, 12 of the carrier 10, respectively. The pad spring is provided in consideration of reduction in sliding resistance of the inner brake pad 60 and long-term environmental resistance.

The outer brake pad 70 comprises a back metal 71 and a friction material 74 fixed to the surface. Back money 71
Abuts against the inner surface of the reaction portion 23 of the caliper 20, and the front surface of the friction material 74 projects outwardly from the brake of the back metal 71 so as to face the other side surface of the disk rotor D with a slight gap. The suspended portion 72 is the caliper 20
Is loosely fitted into the window hole 25, and is suspended by a hanger pin 82 in the same manner as the inner brake pad 60 with a bush 75 made of rubber or the like interposed in a hole formed in the suspension portion 72. I have. That is, both brake pads 60, 70
Is hung by inserting a hanger pin 82 from the actuator section 21 side of the caliper 20 and screwing its tip into the female screw 27 of the caliper 20. In FIG. 3, L-shaped and inverted L-shaped cutouts 7 are cut out upward at both ends of the back metal 71 in the rotor circumferential direction.
3, 73 are formed, and the cutout portions 73, 73 are formed.
Are the bearing surfaces 17, 1 of both bosses 13, 14 of the carrier 10.
8 and the supporting surfaces 17 ′, 18 ′ are movably supported in a direction parallel to the rotor axial direction. The bush 75 in this embodiment also functions to absorb the processing tolerance, and is not necessarily an essential part. Similarly to the inner brake pad 60 side, a non-rust pad spring is mounted between the cutouts 73, 73 of the back metal 71 and the bearing surfaces 17, 18 and the support surfaces 17 ', 18' of the carrier 10. You may. The caliper 20 includes a hanger pin 82 fixed to the caliper 20 and ears 63 of the inner brake pad 60 suspended from the hanger pin 82.
The structure in which the vibration in the brake radial direction with respect to the pin slide mechanism is restricted by the carrier 10 is also exemplified by the notch portions 73 and 73 of the outer brake pad 70. However, the inner brake pad 60 and the outer brake pad 70 are illustrated. It is apparent that the same function can be obtained even if the structures engaging with the boss portions 13 and 14 of the carrier 10 are interchanged.

During the life of the friction material, if the center of gravity of the caliper is within the sliding range of the pin slide mechanism, or if the weight of the caliper is relatively light, the micro-vibration of the caliper is reduced only by the pin slide mechanism. If it is possible to support both brake pads, it is also possible to adopt a configuration in which both brake pads are supported only in the rotor circumferential direction. In this case, the outer brake pad 170 side is on the right half of FIG.
As shown in FIG.
The inner brake pad 60 having the structure for engaging the
And the rail portion 11 of the carrier 110
It is preferable that the bottom surfaces (supported surfaces) of the ear portions 163 and 173 with respect to 1 and 112 are located closer to the outside of the brake than the line X connecting the axes of the guide pins 40 and 50. Thus, for example, if the sub-guide pin 50 is pulled out, the caliper 20 can be reliably rotated outward from the brake with the main guide pin 40 as a fulcrum, so that the brake pads 160 and 170 are exchanged and the actuator 21 is inspected. Maintenance is easy.

Next, the brake operation in the above configuration will be described. In the description, since the components shown in FIGS. 1 to 4 are the same as those shown in FIG. 5, the former will be described here. Now, when the actuator is operated by pressurizing the fluid chamber 32, the inner brake pad 60
As a result, the guide pin 40 is pressed against one side surface of the disc rotor D and frictionally engaged with the disc rotor D, and the guide pin 40, 50 integrated with the caliper 20 is guided and receded by the reaction force.
The zero reaction portion 23 presses the outer brake pad 70 against the other side surface of the disk rotor D to cause frictional engagement. Then, while both brake pads 60 and 70 pinch the disk rotor D, the ear 63 and the notch 73 are supported on the rotor outlet side of the bearing surface 17 or 18 of the carrier 10 to generate a braking force. Next, when the brake is released, the respective components smoothly return to substantially their original positions due to the rollback force of the seal member 31. As described above, since the caliper 20 is smoothly guided by the two-pin slide mechanism for a long period of time, high efficiency and stabilization of the braking performance can be achieved, and the tilt of the caliper 20 is controlled by the two-pin slide mechanism. In addition, since the brake pads 60 and 70 and the hanger pins 82 supported by the carrier 10 can be regulated in cooperation with each other, uneven wear of the friction members 64 and 74 can be reduced, and the fineness of the caliper 20 can be reduced. Vibration can be suppressed more effectively, and drag of both brake pads 60 and 70 can be suppressed to a small value.

In the pair of pin slide mechanisms according to the above-described embodiment, one main guide pin 40 is guided by metal in contact with each other, and the other sub guide pin 50 is interposed by a ring member 54 which is an elastic member. Although the structure in which the sub guide pin 50 is guided by contacting the metal is described with reference to FIG.

The sub guide pin 250 has a head 251 and
A large-diameter shaft portion 255 below the neck, a male screw shaft portion 252 extending from the large-diameter shaft portion 255, and the male screw shaft portion 252
And a small-diameter shaft portion 253 extending therefrom. The small-diameter shaft portion 253 is the bottomed hole 1 of the boss portion 14 of the carrier 10.
6, the large-diameter shaft portion 255 is interposed with a rubber bush 254 so as to absorb a processing tolerance at the large-diameter shaft portion 255.
The sub guide pin 250 is fitted into a through hole formed in the wing portion 228 of the
Therefore, it is firmly fastened. In this embodiment, the sub guide pin 250 is also slidably guided by the contact between the metals, so that the frictional resistance of the sliding portion can be further reduced, the braking performance is further improved, and the fine vibration of the caliper 220 Can be more reliably prevented. In addition, the caliper 220 is supported by both pin slide mechanisms during braking, so that it is significantly advantageous in terms of rigidity.

In the above-described embodiment and modified examples, the pin-slide type disc brake device operated only by the fluid has been exemplified. However, the present invention is not limited to this. The present invention is also applicable to a so-called built-in disc brake device.

[0032]

According to the present invention, the following effects can be obtained. <A> A pair of pin slide mechanisms for guiding the caliper in a direction parallel to the rotor axis direction is such that at least one of the pin slide mechanisms is slidably guided by close contact between metals and the other pin slide mechanism. Since it is configured to be guided by the slide mechanism in an auxiliary manner, the sliding resistance during caliper operation can be kept small and stable over a long period of time, and the brake performance, which is a basic characteristic, is high. Efficiency and stability can be reliably guaranteed. Also, when the brake is released, the caliper can return to the original position smoothly,
Dragging of the brake pad can be reduced.

<B> Since the tilting of the caliper can be regulated in addition to the pair of pin slide mechanisms and in cooperation with both brake pads and hanger pins supported by the carrier,
Uneven wear of the friction material during braking can be suppressed to a small extent, and fine vibration of the caliper during traveling on a rough road can be suppressed more effectively, so that the drag of the brake pad can be suppressed to a small value.

<C> A pair of pin slide mechanisms extend across the outer periphery of the rotor, and a boss portion of a carrier constituting the pin slide mechanism is formed with a bearing surface for supporting both brake pads. In particular, the structure of the carrier can be simplified.

<D> Since the brake pad can be attached and detached during inspection and maintenance of the actuator and the like by removing and inserting the hanger pin, there is no possibility that the brake pad is accidentally dropped on the ground and the surface of the friction material is contaminated. Further, if the caliper can be rotated toward the outside of the brake with the other guide pin as a fulcrum when one of the pair of guide pins is pulled out, the caliper is used as a carrier. The brake pad can be replaced and the actuator can be inspected and maintained without removing it from the unit.

[Brief description of the drawings]

FIG. 1 is a plan view of a pin slide type disc brake device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a view of the caliper of FIG. 1 as viewed from a reaction portion side.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a view showing a modified example of an engaging portion between a brake pad and a boss portion of a carrier.

FIG. 6 is a diagram showing a modification of the sub guide pin portion.

[Explanation of symbols]

 10, 110 Carrier 11, 12, 111, 112 Carrier rail 13, 14, 113, 114 Carrier boss 17, 18 Carrier support surface 17 ', 18' Carrier support surface 20, 220 Caliper 21 Caliper actuator Part 23 Reaction part of caliper 28,228 Wing part of caliper 30 Piston 40 Main guide pin 50,250 Sub guide pin 60,160 Inner brake pad 70,170 Outer brake pad 82 Hanger pin

Claims (5)

[Claims] 1. A carrier fixed to an immovable portion on one side of a disk rotor, and an actuator portion on one side of the disk rotor and a reaction portion on another side to straddle the outer peripheral portion of the rotor. A caliper movably guided in a direction parallel to a rotor axis direction with respect to the carrier, and a pair of pin slide mechanisms spaced apart in a rotor circumferential direction for guiding the caliper, wherein And a pair of brake pads, which are slidably guided by contact between metals, and a pair of brake pads disposed on both side surfaces of the disc rotor. It is hung on a hanger pin bridged between the actuator part and the reaction part, and both end faces in the rotor circumferential direction Characterized by being supported,
Pin slide type disc brake device. 2. The boss portion of the carrier according to claim 1, wherein the pair of pin slide mechanisms are provided on a guide pin, one of which is fixed to the caliper, and a guide portion for guiding the other shaft portion of each of the guide pins. Consisting of drilled holes,
The pair of pin slide mechanisms extend from one side surface of the disk rotor across the outer periphery of the rotor, and bearing surfaces for supporting both brake pads are formed on opposing surfaces of the boss portion in the rotor circumferential direction. A pin slide type disc brake device characterized by the above-mentioned. 3. The actuator according to claim 1, wherein the inner brake pad on the actuator section side is regulated by a carrier to prevent vibration in any one of brake radial directions, and the outer brake pad on the reaction section side is a carrier. A pin-slide type disc brake device characterized in that vibration in any other direction of the brake radial direction is regulated. 4. The guide according to claim 1, wherein the caliper pulls out one of the guide pins of the pair of pin slide mechanisms when the caliper is pulled out. A pin-slide type disc brake device characterized in that the pin-slidable disc brake device is configured to be rotatable in the outward direction of a brake with a pin as a fulcrum. 5. The brake according to claim 4, wherein an end of the caliper located between the bearing surfaces of the carrier in the rotor circumferential direction and in the brake inward direction is provided on the outer side of the brake from the bearing surface of the carrier. A pin slide type disc brake device characterized by the above-mentioned.