WO1991013267A1 - Disc brake with pin guided caliper - Google Patents
Disc brake with pin guided caliper Download PDFInfo
- Publication number
- WO1991013267A1 WO1991013267A1 PCT/US1991/000548 US9100548W WO9113267A1 WO 1991013267 A1 WO1991013267 A1 WO 1991013267A1 US 9100548 W US9100548 W US 9100548W WO 9113267 A1 WO9113267 A1 WO 9113267A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- caliper
- support member
- pin
- disc brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
- F16D55/2262—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes the axial movement being guided by open sliding surfaces, e.g. grooves
-
- 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
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0008—Brake supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0004—Parts or details of disc brakes
- F16D2055/0045—Braking members arranged non-symmetrically with respect to the brake disc
-
- 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
- F16D2065/026—Braking members; Mounting thereof characterised by a particular outline shape of the braking member, e.g. footprint of friction lining
Definitions
- the present invention relates generally to dis brakes, and in particular to a pin supported calipe which displaces friction members supported by the torqu support member.
- Numerous disc brakes have been provide previously. Certain disc brakes may suffer generall from one or more of the following problems. If th caliper is suspended on pins at one side of the rotor, braking forces can cause the caliper to twist and distort which effects uneven loading on the brake shoes. Shoe guided caliper designs are generally not well suited for heavy duty usage. The spring clips utilized to keep the caliper in position tend to be troublesome. Calipers which have large contact surfaces and/or close tolerance fits with the anchor or torque support member develop sliding problems as corrosion builds up on the surfaces. It is highly desirable to provide a disc brake which eliminates the above problems.
- a disc brake comprising a torque support member having an opening receiving a caliper, the support member having at least one pin extending axially thereacross and received in complementary-shaped opening means of the caliper in order to support slideably the caliper upon the support member, at least one friction member disposed within said opening, the torque support member having at one side of said opening an axially extending member, the friction member including a backing plate having at one side a first opening and on the other side an oppositely disposed second opening, the axially extending member of the torque support member received within the first opening of the backing plate and the second opening receiving therein said pin in order to support the friction member relative to the torque support member and caliper.
- Figure 1 is a top view of the disc brake of th present invention
- Figure 2 is a side view of the disc brake of th present invention
- Figure 3 is a top view of the caliper
- Figure 4 is a side view of the caliper
- FIG. 5 is a top view of the torque suppor member
- Figure 6 is a side view of the torque support member
- Figure 7 is a side view of the inner frictio member utilized in the disc brake of the present invention.
- the disc brake of the present invention is indicated generally by reference numeral 10 in Figure 1.
- Disc brake 10 includes a torque support member 12 having therein a central opening 14.
- the central opening 14 receives therein a caliper 16.
- Caliper 16 includes circuraferentially extending extensions 18, 20, 22, and 24 (see Figures 3 and 4).
- Each circumferentially extending extension includes a recess 26 for slideably supporting the caliper relative to the torque support member 12.
- the torque support member 12 includes axially spaced apart portions 30 each of which includes an opening 32. Received fixedly within openings 32 are pins 40 and 50.
- Torque support member 12 includes axial extensions 60 and 70 which extend axiall toward one another within central opening 14.
- Disc brake 10 includes an inner friction membe 11 and an outer friction member 13.
- Inner frictio member 11 includes a backing plate 15 and outer frictio member 13 includes a backing plate 17. Friction memb
- outer friction member 13 includes an annul opening 29 in circumferentially extending ear 27 th receives axial extension 60 and a recess opening 33 i opposite circumferentially extending ear 31 (see Figur
- pin 4 may include thereabout a plastic sleeve member 42.
- Caliper 16 includes a brake motor 36.
- brake motor 36 the moto being operable either by hydraulic braking pressure o any other suitable device for effecting displacement of piston type member within motor 36
- the piston member extends axially t engage inner friction member 11 and cause friction membe 11 to engage the rotating rotor 46 (see Figure 2).
- the caliper moves toward an inboard direction whic causes the outer arm 16a ( Figures 2 and 4) to engage th outer friction member 13 and displace it into engagemen with the other side of the spinning rotor 46.
- the rotor is engaged on both sides by frictio members 11, 13 and braking of the associated vehicle i effected.
- the disc brake of the present invention provide substantial advantages in that no twisting forces ar imposed on the caliper by the pins 40 and 50.
- Caliper 1 is free to slide axially with the friction members 11 an 13. Braking forces imposed on the friction members 1 and 13 are imposed uniformly and these forces ar transmitted directly to support member 12 via the axial extensions 60 and 70.
- Caliper 16 is restrained positively against displacement from torque support member 12 by means of pins 40 and 50, so that brake 10 can be utilized in heavy duty applications. Spring clips can keep the caliper from effecting klunking noises during braking.
- the disc brake of the present inventio provides sufficient clearance between caliper 16 and pins 40, 50 so that corrosion does not inhibit calipe movement. Because the loads imposed upon the pins 40, 50 would be relatively low, plastic sleeves such as sleev 42 (see Figure 2) can be utilized about either one o both pins to further reduce the effects of corrosion. Trailing friction members or brake shoes are utilized, thus the brake may provide a quieter operating brake.
- the friction members 11, 13 are mounted by means of th annular openings 21, 29 to the axial extension 60, 70 o torque support member 12. Deflections of the suppor member 12 would not cause any loading or twisting of th friction members.
- the caliper and support membe configurations are symmetrical castings.
- caliper with three point mounting can also be utilized.
- the caliper an torque support member configurations lend themselves t easy redesigning so that on one side of central openin 14 a pin 40 or 50 could be eliminated and an interlockin feature between the support member and calipe implemented, all without affecting the function of th brake.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The disc brake (10) comprises a caliper (16) supported by pins (40, 50) on a torque support member (12). The torque support member (12) includes at one side of a central opening (14) a pair of axially extending extensions (60, 70) which extend axially toward one another. The friction members (11, 13) each include backing plates (15, 17) having at one side an annular opening (21, 29) and at the opposite side a recess opening (25, 33). The annular opening (21, 29) of each backing plate (15, 17) receives a respective axially extending extension (60, 70) and the oppositely disposed recess opening (25, 33) in the backing plate (15, 17) receives one (40) of the pins (40, 50). The friction members (11, 13) are anchored relative to the torque support member (12) and able to slide axially for braking and to compensate for friction lining wear.
Description
_ i _
DISC BRAKE WITH PIN GUIDED CALIPER
The present invention relates generally to dis brakes, and in particular to a pin supported calipe which displaces friction members supported by the torqu support member. Numerous disc brakes have been provide previously. Certain disc brakes may suffer generall from one or more of the following problems. If th caliper is suspended on pins at one side of the rotor, braking forces can cause the caliper to twist and distort which effects uneven loading on the brake shoes. Shoe guided caliper designs are generally not well suited for heavy duty usage. The spring clips utilized to keep the caliper in position tend to be troublesome. Calipers which have large contact surfaces and/or close tolerance fits with the anchor or torque support member develop sliding problems as corrosion builds up on the surfaces. It is highly desirable to provide a disc brake which eliminates the above problems.
The present invention provides a solution to the above problems by providing a disc brake, comprising a torque support member having an opening receiving a caliper, the support member having at least one pin extending axially thereacross and received in complementary-shaped opening means of the caliper in order to support slideably the caliper upon the support member, at least one friction member disposed within said opening, the torque support member having at one side of said opening an axially extending member, the friction member including a backing plate having at one side a first opening and on the other side an oppositely disposed second opening, the axially extending member of the torque support member received within the first opening of the backing plate and the second opening receiving therein said pin in order to support the friction member relative to the torque support member and caliper.
One way of carrying out the invention is described in detail below with reference to the drawings which illustrate an embodiment in which:
Figure 1 is a top view of the disc brake of th present invention;
Figure 2 is a side view of the disc brake of th present invention;
Figure 3 is a top view of the caliper;
Figure 4 is a side view of the caliper;
Figure 5 is a top view of the torque suppor member;
Figure 6 is a side view of the torque support member; and
Figure 7 is a side view of the inner frictio member utilized in the disc brake of the present invention.
The disc brake of the present invention is indicated generally by reference numeral 10 in Figure 1. Disc brake 10 includes a torque support member 12 having therein a central opening 14. The central opening 14 receives therein a caliper 16. Caliper 16 includes circuraferentially extending extensions 18, 20, 22, and 24 (see Figures 3 and 4). Each circumferentially extending extension includes a recess 26 for slideably supporting the caliper relative to the torque support member 12. The torque support member 12 includes axially spaced apart portions 30 each of which includes an opening 32. Received fixedly within openings 32 are pins 40 and 50. Pin 40 is received within caliper openings 26 of extensions 18 and 20 while pin 50 is received withi caliper openings 26 of extensions 22 and 24 (see Figur 4), such that caliper 16 is supported slideably relativ to torque support member 12. Torque support member 12 includes axial extensions 60 and 70 which extend axiall toward one another within central opening 14.
Disc brake 10 includes an inner friction membe 11 and an outer friction member 13. Inner frictio member 11 includes a backing plate 15 and outer frictio
member 13 includes a backing plate 17. Friction memb
11 is illustrated in Figure 7 and includes within backi plate 15 a circumferential ear 19 which includes annul opening 21 that receives axial extension 70 (see Figu 1). An oppositely disposed circumferential ear includes a recess opening 25 which opens towa circumferential ear 19 and receives pin 40. In simil manner, outer friction member 13 includes an annul opening 29 in circumferentially extending ear 27 th receives axial extension 60 and a recess opening 33 i opposite circumferentially extending ear 31 (see Figur
1) which receives pin 40. Referring to Figure 2, pin 4 may include thereabout a plastic sleeve member 42.
Caliper 16 includes a brake motor 36. As i well-known within the art, when brake motor 36 (the moto being operable either by hydraulic braking pressure o any other suitable device for effecting displacement of piston type member within motor 36) is actuated by th vehicle operator, the piston member extends axially t engage inner friction member 11 and cause friction membe 11 to engage the rotating rotor 46 (see Figure 2). I reaction to the inner friction member engaging rotor 46 the caliper moves toward an inboard direction whic causes the outer arm 16a (Figures 2 and 4) to engage th outer friction member 13 and displace it into engagemen with the other side of the spinning rotor 46. As result, the rotor is engaged on both sides by frictio members 11, 13 and braking of the associated vehicle i effected.
The disc brake of the present invention provide substantial advantages in that no twisting forces ar imposed on the caliper by the pins 40 and 50. Caliper 1 is free to slide axially with the friction members 11 an 13. Braking forces imposed on the friction members 1 and 13 are imposed uniformly and these forces ar transmitted directly to support member 12 via the axial extensions 60 and 70. Thus, there is a potential for a
quieter operating disc brake. Caliper 16 is restrained positively against displacement from torque support member 12 by means of pins 40 and 50, so that brake 10 can be utilized in heavy duty applications. Spring clips can keep the caliper from effecting klunking noises during braking. The disc brake of the present inventio provides sufficient clearance between caliper 16 and pins 40, 50 so that corrosion does not inhibit calipe movement. Because the loads imposed upon the pins 40, 50 would be relatively low, plastic sleeves such as sleev 42 (see Figure 2) can be utilized about either one o both pins to further reduce the effects of corrosion. Trailing friction members or brake shoes are utilized, thus the brake may provide a quieter operating brake. The friction members 11, 13 are mounted by means of th annular openings 21, 29 to the axial extension 60, 70 o torque support member 12. Deflections of the suppor member 12 would not cause any loading or twisting of th friction members. The caliper and support membe configurations are symmetrical castings. As a result, caliper with three point mounting (i.e. non-symmetrical) can also be utilized. Additionally, the caliper an torque support member configurations lend themselves t easy redesigning so that on one side of central openin 14 a pin 40 or 50 could be eliminated and an interlockin feature between the support member and calipe implemented, all without affecting the function of th brake.
Claims
1. A disc brake, comprising a torque support member (12) having an opening (14) receiving a caliper
(16), the support member (12) having at least one pin
(40) extending axially thereacross and received in complementary-shaped opening means (26) of the caliper
(16) in order to support slideably the caliper (16) upon the support member (12), at least one friction member
(11, 13) disposed within said opening (14), the torque support member (12) having at one axial side of said opening (14) an integral and axially extending stub member (60, 70) which extends axially only partially into the opening (14), the friction member (11, 13) including a backing plate (15, 17) having at one circumferential end (19, 27) a first opening (21, 29) and at the other circumferential end (23, 31) an oppositely disposed second opening (25, 33), the axially extending stub member (60, 70) of the torque support member (12) received within the first opening (21, 29) of the backing plate (15, 17) and the second opening (25, 33) receiving therein said pin (40) in order to support the friction member (11, 13) relative to the torque support member
(12) and caliper (16).
2. The disc brake in accordance with Claim 1, further comprising a second pin (50) disposed on one side of the opening (14) of the support member (12) and opposite the one pin (4.0), the second pin (50) received within second complementary-shaped opening means (26) of the caliper (16) in order to support the caliper (16) slideably relative to the torque support member (12).
3. The disc brake in accordance with Claim 2, wherein the first pin (40) includes a plastic sleeve (42) thereabout.
4. The disc brake in accordance with Claim 3, further comprising a second friction member (11, 13) which includes a backing plate (15, 17) having a respective first opening (21, 29) and opposite second opening (25, 33), the torque support member (12) having a second axially extending stub member (60, 70) extending toward the other axially extending stub member (60, 70) and received within the first opening (21, 29) of the second friction member (15, 17), the second pin (50) received within the second opening (25, 33) of the backing plate (15, 17) of the second friction member (11, 13).
5. The disc brake in accordance with Claim 4, wherein the caliper (16) comprises a circumferentially extending upper section having at opposite ends thereof the respective complementary-shaped opening means (26) each of which receives therein the respective pin (40, 50).
6. The disc brake in accordance with Claim 4, wherein each of the second openings (25, 33) comprises a recess (25, 33) that opens toward the respective first openin .
7. The disc brake in accordance with Claim 6, wherein the torque support member (12) includes radially extending portions (30) each with a hole (32) that receives an end of a respective pin (40, 50).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48237090A | 1990-02-20 | 1990-02-20 | |
| US482,370 | 1990-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1991013267A1 true WO1991013267A1 (en) | 1991-09-05 |
Family
ID=23915781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1991/000548 Ceased WO1991013267A1 (en) | 1990-02-20 | 1991-01-25 | Disc brake with pin guided caliper |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU7310391A (en) |
| BR (1) | BR9100677A (en) |
| WO (1) | WO1991013267A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0826894A1 (en) * | 1996-08-26 | 1998-03-04 | Nisshinbo Industries Inc. | Disc brake device |
| US6782977B1 (en) * | 2003-09-23 | 2004-08-31 | Robert Bosch Corporation | Disc brake |
| CN109630571A (en) * | 2018-12-27 | 2019-04-16 | 精诚工科汽车系统有限公司 | Caliper and vehicle with it |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1175789A (en) * | 1967-08-31 | 1969-12-23 | Gen Motors Corp | Disc Brake Assemblies |
| EP0242694A1 (en) * | 1986-04-18 | 1987-10-28 | LUCAS INDUSTRIES public limited company | Brake pad for a disc brake |
| EP0357469A1 (en) * | 1988-08-29 | 1990-03-07 | BENDIX EUROPE Services Techniques S.A. | Spring for a disc brake |
-
1991
- 1991-01-25 WO PCT/US1991/000548 patent/WO1991013267A1/en not_active Ceased
- 1991-01-25 AU AU73103/91A patent/AU7310391A/en not_active Abandoned
- 1991-02-20 BR BR9100677A patent/BR9100677A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1175789A (en) * | 1967-08-31 | 1969-12-23 | Gen Motors Corp | Disc Brake Assemblies |
| EP0242694A1 (en) * | 1986-04-18 | 1987-10-28 | LUCAS INDUSTRIES public limited company | Brake pad for a disc brake |
| EP0357469A1 (en) * | 1988-08-29 | 1990-03-07 | BENDIX EUROPE Services Techniques S.A. | Spring for a disc brake |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0826894A1 (en) * | 1996-08-26 | 1998-03-04 | Nisshinbo Industries Inc. | Disc brake device |
| US5979611A (en) * | 1996-08-26 | 1999-11-09 | Nisshinbo Industries, Inc. | Disc brake device |
| US6782977B1 (en) * | 2003-09-23 | 2004-08-31 | Robert Bosch Corporation | Disc brake |
| CN109630571A (en) * | 2018-12-27 | 2019-04-16 | 精诚工科汽车系统有限公司 | Caliper and vehicle with it |
Also Published As
| Publication number | Publication date |
|---|---|
| AU7310391A (en) | 1991-09-18 |
| BR9100677A (en) | 1991-10-29 |
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