JP2002364685A - Positioning structure of multiple plate materials - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the positional displacement of a plurality of plate materials such as shims installed overlappingly on the rear surface of a brake pad by using a simple technology. SOLUTION: A plurality of cut and bent parts 68 and 70 formed by cutting and bending up by a press in such an overlapped state that are fitted closely to each other beforehand are provided on two sheets of shims 42 and 44 installed on the rear plates 40 of the brake pads 34 and 36, and the shims 42 and 44 on the cut and bent parts 68 and 70 are engaged with each other and the cut and bent parts 68 and 70 are engaged with cut portions. Thus, the pads are prevented from being positionally displaced, become hard to be separated from each other and arrested integrally each other, and handling up to an assembly and assembly operation are facilitated. The positional displacement of the shims 42 at the time of braking of the disk brake is also prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a positioning structure for a plurality of plate members, such as a plurality of shims, which are mounted on a back surface of a brake pad pressed by a disk rotor.

[0002]

2. Description of the Related Art A disc brake widely used in a vehicle or the like is provided with a brake pad pressed by a disc rotor and a fixed position on a vehicle body or the like, and moves the brake pad in a circumferential direction of the disc rotor. And a mounting in which a pad receiving notch is formed that is movably accommodated in a direction parallel to the axis of the disk rotor, and the braking torque generated when the brake pad is pressed by the disk rotor is The power is transmitted to the mounting from the side end of the brake pad. The brake pad includes a friction material pressed by the disk rotor and a back plate fixed to the back of the friction material, and a shim is usually attached to the back plate. It is. This shim is a measure to prevent brake squeal. It is made of a thin metal material (vibration damping material) that has been coated with rubber to absorb vibration, and two shims are superimposed. Its use has also been proposed.

[0003]

When two shims are used one on top of the other, a locking claw is provided on the outer shim and the inner shim is sandwiched between the inner shim and the back plate of the brake pad. Although it was designed to be attached to the back plate, the assembling work was troublesome and time-consuming, and the inner shim could be displaced due to vibration during braking. For this reason,
It has been considered that the two shims are integrally fixed with an adhesive or the like, but the positioning and the like are troublesome and not always satisfactory.

[0004] The present invention has been made in view of the above circumstances, and an object of the present invention is to prevent displacement of a plurality of plate members such as shims by a simple technique.

[0005]

According to a first aspect of the present invention, there is provided a positioning structure for a plurality of plate members which are used in an overlapping manner, such that the plurality of plate members are in close contact with each other. It is characterized by having a pressed portion deformed into substantially the same shape by performing a pressing process in a state of being overlapped.

According to a second aspect of the present invention, in the positioning structure for a plurality of plate materials according to the first aspect, the pressed portion is a cut-and-bent portion cut and bent by the pressing.

According to a third aspect of the present invention, in the structure for positioning a plurality of plate members according to the first aspect of the present invention, the pressed portion is a burring hole.

According to a fourth aspect of the present invention, in the positioning structure for a plurality of plate members according to the third aspect, the burring hole is prevented from falling off by bending the tip of the cylindrical portion outward.

According to a fifth aspect of the present invention, in the structure for positioning a plurality of plate members according to the first aspect, the pressed portion is a bottomed protrusion made to project substantially at a right angle by drawing.

A sixth aspect of the present invention is a positioning structure for a plurality of plate members to be used in an overlapping manner, wherein (a) a through hole provided in a part of the plurality of plate members by press working; And (b) an engaging projection provided on another plate by press working so as to pass through the through hole.

According to a seventh aspect of the present invention, in the positioning structure for a plurality of plate members according to the sixth aspect, the engaging projections protrude from the through-holes and have their distal ends expanded outward. It is characterized by being engaged and stopped.

An eighth aspect of the present invention is a positioning structure for a plurality of plate members to be used in an overlapping manner, wherein (a) a notch provided on an outer peripheral edge of a part of the plurality of plate members;
(b) The projection provided on the outer peripheral edge of the other plate material corresponding to the notch is hemmed by pressing, so that it is bent and raised in the notch and substantially 180 ° so as to sandwich the part of the plate material. And a bent clip portion.

According to a ninth aspect of the present invention, in the positioning structure for a plurality of plate members according to any one of the first to eighth inventions, the plurality of plate members are mounted on the back side of a brake pad pressed by a disk rotor. It is characterized by a plurality of shims.

[0014]

According to the positioning structure for a plurality of plate materials of the first invention, the press is deformed into substantially the same shape by performing the press working in a state where the plurality of plate materials are overlapped so as to be in close contact with each other. Since the pressing portion is provided, the pressing portion prevents displacement, and also allows the assembling operation to be easily performed in a state where a plurality of plate members are overlapped. In addition, since it is only necessary to perform press working in a state where a plurality of plate materials are superimposed, it is possible to make the structure simple and inexpensive as compared with a case where they are integrally fixed with an adhesive or the like. By appropriately setting the shape, the direction, the size, and the like, a plurality of plate members can be undetachably integrated.

[0015] In the second invention, as the press working portion,
Since the cut and bent portion cut and bent by the press working is provided, the engagement between the cut and bent portion of the plurality of plate materials and the cut portion prevents the displacement more favorably and makes it difficult to separate from each other. As a result, the plurality of plate members are integrally restrained, so that handling up to assembling and assembling work are further facilitated.

According to the third aspect of the present invention, since the burring hole is provided as the press working portion, the displacement in the direction parallel to the surface of the plate material can be reliably prevented, and the burring hole is simultaneously processed to form the cylindrical portion. Are firmly adhered to each other, so that they are difficult to be detached and a plurality of plate members are integrally restrained, so that handling and assembling work up to assembling are further facilitated. In particular, in the fourth aspect, the distal end of the cylindrical portion of the burring hole is bent outward to prevent the burring hole from coming off, so that the detachment of the plurality of plate members is reliably prevented, and the handling and assembly work is further facilitated.

In the fifth aspect of the present invention, since the projection which is formed at a substantially right angle by drawing as the pressing portion is provided, the positional deviation in the direction parallel to the surface of the plate material is ensured as in the case of the burring hole. And the projections are processed simultaneously, so that they are firmly adhered to each other. Becomes easier.

According to the sixth aspect of the present invention, a through hole is formed in some of the plurality of plate members by press working, and the engaging protrusion is formed in another plate by press working so as to pass through the through hole. Is provided, the engagement between the through-holes and the engagement projections surely prevents displacement in a direction parallel to the surface of the plate material, and is easy in a state where a plurality of plate materials are stacked. Can be assembled. In addition, since both the through hole and the engagement protrusion are provided by press working, the structure can be configured simply and inexpensively as compared with the case where they are integrally fixed with an adhesive or the like.

In the seventh aspect of the present invention, since the distal end of the engaging projection is expanded outward, the engaging projection is engaged with the peripheral edge of the through hole to prevent the through-hole from coming off. And the handling and assembling work are further facilitated.

In the eighth invention, a notch is provided in the outer peripheral edge of a part of the plurality of plate materials, and the notch is provided by hemming the outer peripheral edge of the other plate material. Since the clip portion is formed so as to sandwich the plate material of the portion, engagement of the notch with the clip portion prevents misalignment in a direction parallel to the surface of the plate material, and also prevents the displacement in the direction perpendicular to the surface. Detachment is also prevented and restrained integrally, which facilitates handling and assembly work. Also, since the clip portion is provided by hemming with a press,
Compared to the case where they are integrally fixed with an adhesive or the like, they can be configured simply and inexpensively, and by appropriately setting the number, position, direction, size, etc. of the notch and the clip portion,
A plurality of plate members can also be integrated so as not to be detached.

The ninth aspect of the present invention relates to a plurality of shims which are mounted on the back side of a brake pad pressed by a disk rotor in a superimposed manner. And the displacement of the shim during braking of the disc brake can be suitably prevented.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is suitably applied to a positioning structure of a lap shim of a brake pad of a disc brake as in the ninth invention, but is used to position other plate members and to integrally remove them. It can also be applied to restraining. As a material of the shim for preventing brake squeal and the like, it is desirable to use a vibration damping material having excellent vibration damping performance, such as a rubber coating material or a vibration damping steel plate. The number of plate materials such as shims may be two, but may be three or more.

The projecting direction and position of the brake processing portion of the first invention are appropriately determined so as not to interfere with an object to which the plate material is to be assembled. For example, when the present invention is applied to a brake pad overlapping shim, To the opposite side of the brake pad so as not to interfere with
The brake pad is provided at a position that does not interfere with a piston, a caliper, or the like that presses the brake pad against the disk rotor. The same applies to the engagement projection of the sixth invention and the clip portion of the eighth invention. However, when the mounting object is provided with a relief to avoid interference, or when the plate material is thick and the engagement protrusion does not protrude to the opposite side, such as a pressed portion or an engagement protrusion, There is no particular limitation when the clip portion does not interfere with the assembly target or the like.

In order to more reliably prevent the displacement, the cut and bent portions of the second invention are desirably provided at least in pairs separated from each other and in opposite directions, or provided at two or more locations in directions different from each other by 90 °. The cut and bent portion may be formed by cutting and bending a part of the outer peripheral edge of the plate material, but may be formed by cutting a portion inside the outer peripheral edge into a U-shape or a U-shape. Can also.

The burring hole of the third invention and the projection of the fifth invention may be provided at one place, but it is desirable to provide them at a plurality of places apart from each other. The projection of the fifth invention is projected substantially at a right angle, and the displacement in the direction parallel to the surface is reliably prevented. However, when the first invention is implemented, the bulging portion or the conical shape which gently bulges is formed. Alternatively, a projection such as a pyramid may be provided.

In the sixth aspect of the present invention, the positioning is performed by the engagement between the through hole and the engaging projection. In the case of two plates, it is sufficient to provide the through hole on one side and the engaging projection on the other side. If there are three or more, for example, the engagement protrusion may be provided on one plate material located at the end, and the through holes may be provided on the other plurality of plate materials. Like the burring hole of the third invention and the projection of the fifth invention, two or more plate members are simultaneously provided with engagement projections by press working, and are engaged with through holes provided in one or more other plate members. You can also do so. In addition, these through holes and engagement projections may be provided at one place, but it is desirable to provide them at a plurality of places apart from each other.

In the eighth aspect, the positioning is performed by the engagement between the notch and the clip portion. In the case where there are two plate members, the notch may be provided on one side and the clip portion may be provided on the other side. In the case of (1), for example, a clip portion may be provided on one plate material located at an end, and a cutout portion provided on another plurality of plate materials may be sandwiched. A clip portion may be formed by performing hemming processing on two or more plate members at the same time, and a cutout portion provided in another one or a plurality of plate members may be sandwiched. The clip portion and the notch may be provided at one place. However, at least one pair of the clip portion and the notch may be provided apart from each other in the opposite direction in order to more reliably prevent the displacement.
It is desirable to provide them at two or more locations in directions different by 0 °.

[0028]

An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a view for explaining a main part of a disk brake for a vehicle.
Can be rotated integrally with the wheels. The caliper 12 includes a cylinder portion 16 and the cylinder portion 16.
A connecting portion 18 extending integrally from the disk rotor 10 so as to straddle the outer peripheral side thereof, and a claw portion 20 provided integrally with the connecting portion 18 so as to be located on the opposite side of the cylinder portion 16 with the disk rotor 10 interposed therebetween. And the cylinder unit 1
6, a piston 22 is fitted so as to protrude toward the claw portion 20 side. The mounting 14 is located on a substantially U-shaped first torque receiving portion 24 fixed to a non-rotating member (not shown) such as a vehicle body by a bolt or the like, and is located on the opposite side to the first torque receiving portion 24 across the disk rotor 10. A substantially U-shaped second torque receiving portion 26;
The first and second U-shaped torque receivers are configured such that both ends of the fourth and second torque receiving portions 26 are connected to each other and integrally provided with a pair of connecting portions 28 located on the outer peripheral side of the disk rotor 10. Part 24 and second torque receiving part 26
Are formed with pad receiving notches 30, 32, and brake pads 34, 36 are provided respectively. FIG.
(A) is a cross-sectional view parallel to the axis of the disk rotor 10, and (b) is a BB cross-sectional view in (a). The caliper 12 is supported by a pair of slide pins (not shown) projecting from the first torque receiving portion 24 so as to be movable in a direction parallel to the axis of the disk rotor 10, that is, in the left-right direction in FIG. ing.

The brake pads 34 and 36 are disposed opposite to each other with the disk rotor 10 interposed between the piston 22 and the claw portion 20. 10 are accommodated so as to be movable in a direction parallel to the axis. When the piston 22 is pushed out by hydraulic pressure during braking, one of the brake pads 34 is pressed against one of the side surfaces of the disk rotor 10, and the caliper 12 is moved leftward in FIG. The claw 2
By 0, the other brake pad 36 is pressed against the other side surface of the disk rotor 10. Brake pad 34,
Reference numeral 36 denotes substantially the same configuration, including a friction material 38 pressed by the disk rotor 10 to generate a braking force, and a metal back plate 40 fixed on the back side of the friction material 38. A pair of shims 42 and 44 are attached to the back surface of 40 so as to be in close contact with each other. Protrusions 46 and 48 are provided on both ends of the back plate 40, that is, circumferential ends of the disk rotor 10, respectively.
6, 48 are engaged with engaging recesses 50, 52 formed in the brake pad receiving notches 30, 32 via supports 54, 56, and the brake pads 34, 36 The braking torque generated by being pressed by the
6 and 48 to the mounting 14 via supports 54 and 56.

The shims 42 and 44 have substantially the same shape, and the shims 44 on the rear side have the protrusions 46 and
8 and bent at substantially right angles to the friction material 38 side, and the upper and lower ends of the back plate 40, that is, the outer peripheral side and the inner peripheral side end faces of the disk rotor 10 in the radial direction. Locking pawls 62, 64, 66, and the bent portions 58, 60, and locking pawls 62, 6
4, 66, it is detachably attached to the back plate 40 in a state where the shim 42 is sandwiched between the back plate 40 and the back plate 40. These shims 42 and 44 correspond to a plurality of plate materials used in a stack, and in this embodiment, are formed of a rubber coating material in which rubber is coated on both surfaces of a metal plate. The brake pads 34, 36 to which the shims 42, 44 are mounted are objects to be mounted.

On the other hand, the pair of shims 42 and 44 are pre-pressed in a state where they are overlapped so that they are in close contact with each other, so that a pair of cut-and-bent portions 68 are formed at the lower end edge.
Are provided, and cut and bent portions 70 are also provided at two places corresponding to the protrusions 46 and 48. These cut and bent portions 68 and 70 are press-formed portions obtained by deforming the two shims 42 and 44 into substantially the same shape, and the cut and bent portion 68 at the lower edge is formed from the edge as shown in FIG. While a pair of cuts 72 are provided at substantially right angles and bent up,
As shown in FIG. 2B, the cut-and-bent portions 70 of the protrusions 46 and 48 are bent and raised by providing a U-shaped cut portion 74. FIG. 3 is a cross-sectional view for explaining an example of the press working device. In a state where the shims 42 and 44 are sandwiched between the cushion pad 76 and the die 78, the cut and bent portion 70 is cut into a U-shape by the punch 80. At the same time, the bent portion 70 is dispensed from the die 78 by the knockout 82. Although FIG. 3 is for pressing the cut and bent portion 70, the cut and bent portion 68 can also be processed by a similar press working device.

The cut and bent portions 68 and 70 are bent and raised from the shim 42 to the 44 side so as not to interfere with the back plate 40, and are provided at positions where they do not interfere with the claw portion 20 and the piston 22. I have. Also, the cutting and bending portion 68
Is bent and raised on the lower side, while the cut and bent portion 70 is bent and raised on the upper side, and the engagement of the shims 42 and 44 in the cut and bent portions 68 and 70 and the cut and bent portions 68 and 70 The engagement of the shim with the cutting portion prevents the pair of shims 42, 44 from being displaced in a direction parallel to the surface (a direction parallel to the paper surface in FIG. 1 (b)), making it difficult for the shims 42, 44 to be separated from each other, and integrated. Bound by

In such a disc brake,
A plurality of cuts which are deformed into substantially the same shape by being subjected to press working in a state where two shims 42, 44 attached to the back plate 40 of the brake pads 34, 36 are overlapped so as to be in close contact with each other. Since the bent portions 68 and 70 are provided, the cut-out bent portions 68 and 70 prevent the misalignment, so that the assembling operation can be easily performed in a state where the two shims 42 and 44 are overlapped, and the disc brake can be used. The displacement of the shim 42 at the time of braking is also suitably prevented.

In this embodiment, the cut and bent portions 68 and 70 cut and bent by press working are provided, and the cut and bent portions 68 and 70 are provided in opposite directions. Therefore, the engagement of the shims 42 and 44 in the cut and bent portions 68 and 70,
By the engagement of the cutting portion 70 with the cut portion, the pair of shims 42 and 44 can be prevented from being displaced in a direction parallel to the surface, and can be hardly detached from each other, so that they are integrally restrained. Handling and assembling work are easier.

Further, since it is only necessary to perform the press working in a state where the two shims 42 and 44 are overlapped, the structure can be made simpler and less expensive than when they are integrally fixed with an adhesive or the like.

Next, another embodiment of the present invention will be described. FIGS. 4A and 4B are views showing another embodiment of the cut and bent portion 70. The cut and bent portion 90 in FIG. 4A is bent and raised in a crank shape. The cut and bent portion 92 is bent and raised into a chevron shape. The cut-and-bent portion 68 provided at the end edge can have a similar bent and raised shape.

FIG. 5 shows still another example of a pressed portion which is deformed into substantially the same shape by being pressed in a state where two shims 42 and 44 are overlapped so as to be in close contact with each other. In the drawing, (a) shows a case where a burring hole 94 is provided in two shims 42 and 44 at the same time. In this case, misalignment in the direction parallel to the surfaces of the shims 42 and 44 is reliably prevented, and the burring holes 94 are simultaneously processed so that the cylindrical portions 96 and 98 are firmly adhered to each other. Two shims 42, 4
4 are integrally restrained, so that handling up to assembling and assembling work are facilitated. The burring hole 9
4 may be one, but it is desirable to provide a plurality of them.
Further, although a circle is generally used in a plan view, a square such as an ellipse or a quadrangle may be employed.

FIGS. 5B and 5C show the burring holes 9.
In the case where the tips of the cylindrical portions 96 and 98 are bent outward by press working, the cylindrical portions 96 and 98 are prevented from coming off from each other, and the detachment of the shims 42 and 44 is reliably prevented, and handling and assembly are performed. The attachment work is further facilitated.

FIG. 5D shows a case where a bottomed projection 100 projecting at a substantially right angle is provided by drawing, and the surfaces of the shims 42 and 44 are formed similarly to the case of the burring hole 94 shown in FIG. Displacement in the parallel direction is reliably prevented, and 2
By simultaneously processing the projections 100 on the shims 42 and 44, the projections 100 are firmly adhered to each other, are difficult to be separated, and are integrally restrained, so that handling and assembly work up to assembly are easy. become. The number of the protrusions 100 may be one, but it is desirable to provide a plurality of protrusions. In addition, a circular shape is generally used in plan view, but a rectangular shape such as an elliptical shape or a square shape can also be adopted.

In each of the embodiments shown in FIGS. 6A and 6B, a through hole is formed in the shim 44 by press working, and an engaging projection inserted through the through hole is formed in the shim 42 by press working. The inside of the through-hole 110 provided in the shim 42 has the cylindrical portion 114 of the burring hole 112 provided in the shim 42.
Are penetrated, and the through holes 110 and
14 reliably prevents displacement of the shims 42 and 44 in the direction parallel to the surfaces of the shims 42 and 44 and the two shims 4.
The assembling work can be easily performed in a state where the 2, 44 are superimposed. Further, since both the through-hole 110 and the cylindrical portion 114 are provided by press working, they can be configured simply and inexpensively as compared with the case where they are integrally fixed with an adhesive or the like. The cylindrical portion 114 corresponds to an engagement protrusion. The through hole 110 and the cylindrical portion 114 may be one set, but it is preferable to provide a plurality of sets. In addition, although a circular shape is generally used in a plan view, a rectangular shape such as an elliptical shape or a square shape may be used. it can.

FIG. 6B shows a case where the tip of the cylindrical portion 114 of the burring hole 112 protruding from the through hole 110 is bent outward by press working so as to be engaged with the peripheral portion of the through hole 110. In addition, the cylinder portion 114 is prevented from coming off, and the shims 42 and 44 are reliably prevented from coming off, so that handling and assembling work are further facilitated.

FIG. 6C shows the burring hole 112 of FIG.
In the case where the bottomed engaging projection 116 is provided by drawing using a press instead of the above, the same operation and effect as in FIG. FIG. 6D shows a case where the tip of the engagement protrusion 116 protruding from the through hole 110 is crushed by press working and is expanded outward, and is engaged with the peripheral edge of the through hole 110. As a result, the engaging projections 116 are prevented from coming off, and the detachment of the shims 42 and 44 is reliably prevented, so that handling and assembling work are further facilitated.

FIG. 6E shows that the burring hole 118 is replaced with the shim 44 by press working instead of the through hole 110 shown in FIG.
(F) shows that a burring hole 120 is provided by pressing so as to protrude in the opposite direction, that is, to the shim 42 side, and that the burring hole 1 is provided.
The engagement protrusion 124 having a bottom which is drawn so as to straddle the cylindrical portion 122 and which passes through the inside of the burring hole 120 is a shim 4.
2 is provided by press working.
In the case of (f), since it partially protrudes toward the shim 42, it is necessary to provide an escape hole or the like in the back plate 40 to avoid interference. The burring holes 118 and 120 correspond to through holes.

FIG. 7 shows that the notch 130 is provided on the outer peripheral edge of the shim 44, for example, at the lower edge or the upper edge by press working.
A shim 42 provided with a protrusion on the outer peripheral edge corresponding to the notch 130 is overlapped with a shim 44 and hemming is performed by pressing. The clip portion 132 is formed by being turned 180 degrees, and the notch 1
The engagement between the clip 30 and the clip portion 132 prevents misalignment of the shims 42 and 44 in the direction parallel to the surface, and prevents the shims 42 and 44 from being detached in the direction perpendicular to the surface. Work becomes easier. Also, the clip portion 13
Since 2 is provided by a hemming process by a press, it can be configured simply and inexpensively as compared with a case where it is integrally fixed with an adhesive or the like. In addition, the notch 130 and the clip portion 132 may be one set, but it is preferable that at least one set is provided in the upper edge and the lower edge in opposite directions, for example.

FIGS. 8 and 9 show the case where the shape of the clip portions 134 and 136 is different from that of the embodiment shown in FIG. With this, the shim 44 is pressed and gripped.

The embodiments of the present invention have been described in detail with reference to the drawings. However, these embodiments are merely examples, and the present invention is based on the knowledge and knowledge of those skilled in the art. Can be implemented.

[Brief description of the drawings]

1A and 1B are diagrams illustrating an example of a disc brake having a pair of brake pads to which two shims are attached according to the present invention, wherein FIG. 1A is a cross-sectional view parallel to the axis of a disc rotor, and FIG. () Is a BB cross-sectional view in (a).

FIG. 2 is a perspective view showing two types of cut and bent portions provided in the shim of FIG. 1;

FIG. 3 is a cross-sectional view of a press working device for forming the cut and bent portion in FIG. 2 by press working.

FIG. 4 is a sectional view showing another embodiment of the cut-and-bent portion of FIG. 2;

FIG. 5 is a cross-sectional view showing some examples in which a burring hole or a projection is provided instead of the cut-and-bent portion of FIG. 2;

FIG. 6 is a cross-sectional view showing some examples of a case where positional displacement is prevented by a through hole and an engagement protrusion.

FIGS. 7A and 7B show an embodiment in which positional deviation is prevented by a notch and a clip portion, wherein FIG. 7A is a perspective view and FIG.

FIGS. 8A and 8B are diagrams showing another example of preventing a positional shift by a notch and a clip portion, wherein FIG. 8A is a perspective view and FIG. 8B is a sectional view.

FIGS. 9A and 9B are views showing still another example of preventing a positional shift by a notch and a clip portion, wherein FIG. 9A is a perspective view and FIG. 9B is a cross-sectional view.

[Explanation of symbols]

34, 36: Brake pad 42, 44: Shim (plate material) 68, 70, 90, 92: Cut and bent part (pressed part) 94: Burring hole (pressed part)
96, 98: cylindrical part 100: protrusion (pressed part)
110: Through hole 114: Cylindrical part (engaging protrusion) 1
16, 124: engagement projection 118, 120: burring hole (through hole) 130: notch 132, 134,
136: Clip part

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Hiroyuki Shibata F-term (reference) 3-10, Michigami, Wakaai-cho, Toyota-shi, Aichi Pref. AA48 AA53 AA63 AA77 BA52 BA64 CA73 CA74 CA75 DD19 EA23 EA32

Claims (9)

[Claims] 1. A positioning structure for a plurality of plate members to be used in an overlapping manner, wherein the plurality of plate members are pressed into a substantially same shape by being pressed in a state of being overlapped so as to be in close contact with each other. A positioning structure for a plurality of plate members, comprising a deformed press working portion. 2. The positioning structure according to claim 1, wherein the pressed portion is a cut-and-bent portion cut and bent by the pressing. 3. The positioning structure according to claim 1, wherein the pressed portion is a burring hole. 4. The positioning structure for a plurality of plate members according to claim 3, wherein the burring hole is prevented from falling off by bending the tip of a cylindrical portion outward. 5. The positioning structure according to claim 1, wherein the press-formed portion is a bottomed protrusion projected at a substantially right angle by drawing. 6. A positioning structure for a plurality of plate members to be used in an overlapping manner, wherein a through hole provided in a part of the plurality of plate members by press working, and a through hole is inserted through the through hole. And an engaging projection provided on another plate material by press working. 7. The engaging projection protrudes from the through-hole and has a front end portion which is expanded outward, and is engaged with a peripheral edge of the through-hole to prevent the engaging projection from coming off. The positioning structure for a plurality of plate members according to claim 6. 8. A positioning structure for a plurality of plate members to be used in an overlapping manner, wherein a notch provided on an outer peripheral edge of a part of the plurality of plate members, and a notch corresponding to the notch. A projection provided on the outer peripheral edge of another plate is hemmed by a press, so that the protrusion is bent and raised in the notch so as to sandwich the part of the plate.
A clip portion bent by 80 °, and a positioning structure for a plurality of plate members. 9. The multi-piece shim according to claim 1, wherein the plurality of plate members are a plurality of shims mounted on the back side of a brake pad pressed by a disk rotor. The positioning structure for a plurality of plate members according to the above.