US20130333990A1 - Railcar brake beam wear liner - Google Patents
Railcar brake beam wear liner Download PDFInfo
- Publication number
- US20130333990A1 US20130333990A1 US13/495,205 US201213495205A US2013333990A1 US 20130333990 A1 US20130333990 A1 US 20130333990A1 US 201213495205 A US201213495205 A US 201213495205A US 2013333990 A1 US2013333990 A1 US 2013333990A1
- Authority
- US
- United States
- Prior art keywords
- brake beam
- wear plate
- beam wear
- brake
- upper wall
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H13/00—Actuating rail vehicle brakes
- B61H13/34—Details
- B61H13/36—Beams; Suspension thereof
Definitions
- the present invention relates to a brake beam wear plate assembly and, more particularly, to a brake beam wear plate inserted into a brake beam guide on a railway car truck sideframe.
- Braking systems on freight car trains include brake beams having brake shoes which engage the tread of the wheels to apply braking forces.
- the brake beams are mounted on the railway car truck.
- the railway car truck itself includes brake beam guides formed on the sideframes of the trucks.
- the sideframes are most typically a unitary cast steel structures, with the brake beam guides integrally cast as part of such sideframe.
- brake beam wear plates within the brake beam guides such that wear on the sideframe itself and the portion of the brake beam extending into the brake beam guide is limited.
- brake beam wear plates typically are comprised of polymers or high density plastics that exhibit the structural strength to be utilized in such a railway truck, while providing appropriate sliding, self lubricating characteristics to eliminate or greatly reduce wear at the end of the brake beam which extends therein.
- the present invention relates to a brake beam wear plate assembly for use in a railway car truck.
- the brake beam wear plate assembly includes a brake beam wear plate which is usually comprised of a channel shaped structure usually made of a polymer or a structural plastic.
- the brake beam wear plate is fitted within a brake beam guide which is an integral part of a sideframe.
- the sideframe is a structural component of the railway car truck.
- a brake beam is mounted on the railway car truck with an end of the brake beam received in the brake be guide.
- the brake beam guide include a brake beam wear plate fitted therein such that the end of the brake beam can move without wear on the structural steel of the sideframe or the brake beam end itself.
- Brake shoes are fitted near the ends of the brake beam such that upon movement toward the tread of the railway wheel, a braking force is transmitted to the wheel tread surface.
- a further object of the present invention is to provide a brake beam wear plate assembly such that a brake beam wear plate includes a locating tab to be received in a complementary receiving section of a brake beam guide on a railway car truck sideframe.
- FIG. 1 is a partial perspective view of a railway car truck sideframe including braking elements
- FIG. 2 is a partial side view of a railway car truck sideframe including brake beam guide brackets
- FIG. 3 is a partial perspective view of a brake beam wear plate separated from a brake beam guide on a railway car truck sideframe in accordance with a first embodiment of the present invention
- FIG. 4 is a partial perspective view of a brake beam wear plate installed in a brake beam guide of a railway car truck sideframe in accordance with the first embodiment of the present invention.
- FIG. 5 is a partial perspective view of a brake beam wear plate including a rejection feature in a brake beam guide of a railway car truck sideframe in accordance with a second embodiment of the present invention.
- FIG. 1 and FIG. 2 a partial review of a railway car truck is shown generally at 10 .
- Such railway car truck is typically referred to as a three piece truck, wherein two parallel sideframes 11 , with only one being shown in FIG. 1 and FIG. 2 , are spaced laterally, with a bolster, not shown, extending between such sideframes 11 .
- a wheeled axle 12 which is comprised of axle 22 and mounted railway wheels 23 , is supported at a longitudinal end of sideframe 11 .
- Wheel 23 includes a tread section 24 which contacts the rail 25 .
- Each sideframe 11 includes as an integral cast component thereof, with sideframe 11 typically being comprised of an integral cast steel structure, and includes sideframe guide brackets 19 and 20 . Such sideframe guide brackets 19 and 20 face inwardly from each of the laterally spaced sideframes 11 .
- Each sideframe guide bracket defines a channel shaped pocket adapted to receive brake beam wear plate 36 .
- Brake beam wear plate 36 receives an end 32 of brake beam 13 , enabling brake beam 13 to move within brake beam wear plate 36 .
- Such movement of brake beam 13 end 32 allows brake shoe backing support 28 with attached brake shoe 29 to contact wheel tread 24 and provide a braking force to the train of which the railway car truck 10 is a component of a single railway car.
- Sideframe 11 is shown in portion and comprises a generally unitary cast steel structure.
- Sideframe 11 includes sideframe guide bracket 19 .
- Sideframe guide bracket 19 is itself comprised of brake beam guide bracket upper section 52 and brake beam guide bracket lower section 54 .
- Such sections are spaced generally vertically on sideframe 11 as best seen in FIG. 1 and FIG. 2 .
- Brake beam guide bracket upper section 52 is seen to include a concave or notch section 58 at one corner
- brake beam guide bracket lower section 54 is seen to comprise a recessed or concave corner 59 .
- Brake beam guide bracket upper section 52 is also seen to comprise a cutout section 56 , which extends inwardly in a generally semicircular fashion from an edge 53 of brake beam guide bracket upper section 52 . It is further seen that brake beam guide bracket cutout section 56 is located nearer concave corner 58 of break beam guide bracket upper section 52 than the opposite corner 55 of break beam guide bracket upper section 52 .
- Brake beam wear plate 36 is typically comprised of a polymer or a high density plastic. But could be comprised of a suitable metal. Brake beam wear plate 36 is seen to be comprised of brake beam wear plate upper wall 40 and brake beam wear plate lower wall 42 , with brake beam wear plate bottom wall 44 joining brake beam wear plate upper wall 40 and brake beam wear plate lower wall 42 . Further, brake beam wear plate upper wall lip 48 is seen to extend laterally from brake beam wear plate upper wall 40 , and brake beam wear plate lower wall lip 46 is seen to extend laterally from brake beam wear plate lower wall 42 . Brake beam wear plate upper wall lip locating tab 50 is seen to extend laterally from brake beam wear plate upper wall lip 48 .
- Brake beam wear plate upper wall lip locating tab 50 is seen to extend in a generally semicircular shape from brake beam wear plate upper wall lip 48 . Brake beam wear plate upper wall lip locating tab 50 is seen to be able to fit in brake beam guide cutout section 56 . Such complementary fitting of brake beam wear plate upper wall lip locating tap 50 and brake beam guide cutout section 56 assures that brake beam wear plate 36 can only be inserted into brake beam sideframe guide bracket 19 in one orientation.
- Brake beam wear plate 40 is seen to be a generally channel shaped structure formed by brake beam wear plate upper wall 40 , brake beam wear plate lower wall 42 , and brake beam wear plate bottom wall 44 . It is possible as part of the present invention to utilize more than one locating tab 50 and cutout section 56 .
- locating tab 50 can be generally semicircular, but can also be rectangular, square, triangular, or any similar shape; accordingly, locating tab 50 and cutout section 56 can be comprised of numerous complementary shapes. Further, locating tab 50 could be placed on brake beam guide bracket upper section 52 , and cutout section 56 could be located in brake beam wear plate upper wall lip 48 .
- a railway truck sideframe is partially shown at 100 , and is seen to be a generally unitary cast steel structure.
- Sideframe 100 includes a sideframe brake beam guide bracket 102 , which itself is comprised of a sideframe guide bracket lower section 104 and a sideframe guide bracket upper section 106 .
- Such sideframe guide bracket upper section 106 and sideframe guide bracket 104 are separated generally vertically.
- a sideframe brake beam guide bracket rejection block 110 is seen to extend upwardly from a surface of sideframe guide bracket upper section 106 .
- Such sideframe brake beam guide bracket rejection block 110 could be generally rectangular in shape, but other shapes such as round, oblong or square, would also accomplish the requirements of this embodiment of the invention.
- a brake beam wear plate is shown generally at 112 , and is seen to comprise a brake beam wear plate upper wall 114 , a brake beam wear plate lower wall 116 , both being joined by a brake beam wear plate bottom wall 118 . Accordingly, brake beam wear plate 112 is seen to be generally channel shaped structure. Further, break beam wear plate upper wall lip 120 extends from brake beam wear plate upper wall 114 in a generally transverse fashion, and brake beam wear plate lower wall lip 122 extends generally transversely from brake beam wear plate lower wall 116 .
- Brake beam wear plate upper wall lip rejection tab 124 is seen to extend transversely from brake beam wear plate upper wall lip 120 .
- the purpose of brake beam wear plate upper wall lip rejection tab 124 is to prevent brake beam ear plate 112 from being installed in brake beam guide bracket 102 .
- certain brake beam wear plates are designed to be installed in certain brake beam guide brackets. The embodiment of the present invention as shown in FIG. 5 would prohibit brake beam wear plate 112 from being installed in brake beam guide bracket 102 .
- a brake beam guide bracket, not shown, that would have a cutout section in sideframe brake beam guide bracket upper section 106 , as opposed to a sideframe brake beam guide bracket rejection block 110 would allow brake beam wear plate 112 to be installed therein.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
A brake beam wear plate assembly for a railway car truck sideframe is provided. A brake beam wear plate is provided and adapted to be inserted in a brake beam guide which is typically an integral component of a railway car truck sideframe. The brake beam wear plate itself is comprised of a channel shaped body having an upper wall, a lower wall, and a bottom wall. The brake beam wear plate is typically comprised of a polymer or a high density plastic. The brake beam wear plate also includes a projecting locating tab and the brake beam guide itself includes a complimentary cutout section.
Description
- The present invention relates to a brake beam wear plate assembly and, more particularly, to a brake beam wear plate inserted into a brake beam guide on a railway car truck sideframe.
- Braking systems on freight car trains include brake beams having brake shoes which engage the tread of the wheels to apply braking forces. The brake beams are mounted on the railway car truck. The railway car truck itself includes brake beam guides formed on the sideframes of the trucks. The sideframes are most typically a unitary cast steel structures, with the brake beam guides integrally cast as part of such sideframe.
- It is desirable to include brake beam wear plates within the brake beam guides such that wear on the sideframe itself and the portion of the brake beam extending into the brake beam guide is limited. Such brake beam wear plates typically are comprised of polymers or high density plastics that exhibit the structural strength to be utilized in such a railway truck, while providing appropriate sliding, self lubricating characteristics to eliminate or greatly reduce wear at the end of the brake beam which extends therein.
- The present invention relates to a brake beam wear plate assembly for use in a railway car truck. The brake beam wear plate assembly includes a brake beam wear plate which is usually comprised of a channel shaped structure usually made of a polymer or a structural plastic. The brake beam wear plate is fitted within a brake beam guide which is an integral part of a sideframe. The sideframe is a structural component of the railway car truck.
- In braking operations in a railway freight car train, a brake beam is mounted on the railway car truck with an end of the brake beam received in the brake be guide. It is desirable that the brake beam guide include a brake beam wear plate fitted therein such that the end of the brake beam can move without wear on the structural steel of the sideframe or the brake beam end itself. Brake shoes are fitted near the ends of the brake beam such that upon movement toward the tread of the railway wheel, a braking force is transmitted to the wheel tread surface.
- Accordingly, it is an object of the present invention to provide a brake beam wear plate assembly for use in a railway car truck.
- It is also an object of the present invention to provide a brake beam wear plate that can be inserted into a brake beam guide in a railway car truck sideframe.
- A further object of the present invention is to provide a brake beam wear plate assembly such that a brake beam wear plate includes a locating tab to be received in a complementary receiving section of a brake beam guide on a railway car truck sideframe.
- In the drawings,
-
FIG. 1 is a partial perspective view of a railway car truck sideframe including braking elements; -
FIG. 2 is a partial side view of a railway car truck sideframe including brake beam guide brackets; -
FIG. 3 is a partial perspective view of a brake beam wear plate separated from a brake beam guide on a railway car truck sideframe in accordance with a first embodiment of the present invention; -
FIG. 4 is a partial perspective view of a brake beam wear plate installed in a brake beam guide of a railway car truck sideframe in accordance with the first embodiment of the present invention, and -
FIG. 5 is a partial perspective view of a brake beam wear plate including a rejection feature in a brake beam guide of a railway car truck sideframe in accordance with a second embodiment of the present invention. - Referring now to
FIG. 1 andFIG. 2 , a partial review of a railway car truck is shown generally at 10. Such railway car truck is typically referred to as a three piece truck, wherein two parallel sideframes 11, with only one being shown inFIG. 1 andFIG. 2 , are spaced laterally, with a bolster, not shown, extending between such sideframes 11. - A
wheeled axle 12, which is comprised ofaxle 22 and mountedrailway wheels 23, is supported at a longitudinal end of sideframe 11.Wheel 23 includes atread section 24 which contacts therail 25. - Each sideframe 11 includes as an integral cast component thereof, with sideframe 11 typically being comprised of an integral cast steel structure, and includes
sideframe guide brackets sideframe guide brackets beam wear plate 36. Brakebeam wear plate 36 receives anend 32 ofbrake beam 13, enablingbrake beam 13 to move within brakebeam wear plate 36. Such movement ofbrake beam 13end 32 allows brakeshoe backing support 28 with attachedbrake shoe 29 to contactwheel tread 24 and provide a braking force to the train of which therailway car truck 10 is a component of a single railway car. - Referring now to
FIG. 3 andFIG. 4 of the drawings, a first embodiment of the brake beam wear plate assembly of the present invention is set forth. Sideframe 11 is shown in portion and comprises a generally unitary cast steel structure. Sideframe 11 includessideframe guide bracket 19.Sideframe guide bracket 19 is itself comprised of brake beam guide bracketupper section 52 and brake beam guide bracketlower section 54. Such sections are spaced generally vertically on sideframe 11 as best seen inFIG. 1 andFIG. 2 . Brake beam guide bracketupper section 52 is seen to include a concave ornotch section 58 at one corner, and brake beam guide bracketlower section 54 is seen to comprise a recessed orconcave corner 59. Brake beam guide bracketupper section 52 is also seen to comprise acutout section 56, which extends inwardly in a generally semicircular fashion from anedge 53 of brake beam guide bracketupper section 52. It is further seen that brake beam guidebracket cutout section 56 is located nearerconcave corner 58 of break beam guide bracketupper section 52 than theopposite corner 55 of break beam guide bracketupper section 52. - Also shown in
FIG. 3 andFIG. 4 is brakebeam wear plate 36. Brakebeam wear plate 36 is typically comprised of a polymer or a high density plastic. But could be comprised of a suitable metal. Brakebeam wear plate 36 is seen to be comprised of brake beam wear plateupper wall 40 and brake beam wear platelower wall 42, with brake beam wearplate bottom wall 44 joining brake beam wear plateupper wall 40 and brake beam wear platelower wall 42. Further, brake beam wear plateupper wall lip 48 is seen to extend laterally from brake beam wear plateupper wall 40, and brake beam wear platelower wall lip 46 is seen to extend laterally from brake beam wear platelower wall 42. Brake beam wear plate upper walllip locating tab 50 is seen to extend laterally from brake beam wear plateupper wall lip 48. Brake beam wear plate upper walllip locating tab 50 is seen to extend in a generally semicircular shape from brake beam wear plateupper wall lip 48. Brake beam wear plate upper walllip locating tab 50 is seen to be able to fit in brake beamguide cutout section 56. Such complementary fitting of brake beam wear plate upper walllip locating tap 50 and brake beamguide cutout section 56 assures that brakebeam wear plate 36 can only be inserted into brake beamsideframe guide bracket 19 in one orientation. Brakebeam wear plate 40 is seen to be a generally channel shaped structure formed by brake beam wear plateupper wall 40, brake beam wear platelower wall 42, and brake beam wearplate bottom wall 44. It is possible as part of the present invention to utilize more than one locatingtab 50 andcutout section 56. It should be noted that locatingtab 50 can be generally semicircular, but can also be rectangular, square, triangular, or any similar shape; accordingly, locatingtab 50 andcutout section 56 can be comprised of numerous complementary shapes. Further, locatingtab 50 could be placed on brake beam guide bracketupper section 52, andcutout section 56 could be located in brake beam wear plateupper wall lip 48. - Referring now to
FIG. 5 a second embodiment of the present invention is shown. A railway truck sideframe is partially shown at 100, and is seen to be a generally unitary cast steel structure.Sideframe 100 includes a sideframe brake beam guide bracket 102, which itself is comprised of a sideframe guide bracketlower section 104 and a sideframe guide bracket upper section 106. Such sideframe guide bracket upper section 106 andsideframe guide bracket 104 are separated generally vertically. A sideframe brake beam guidebracket rejection block 110 is seen to extend upwardly from a surface of sideframe guide bracket upper section 106. Such sideframe brake beam guidebracket rejection block 110 could be generally rectangular in shape, but other shapes such as round, oblong or square, would also accomplish the requirements of this embodiment of the invention. - A brake beam wear plate is shown generally at 112, and is seen to comprise a brake beam wear plate
upper wall 114, a brake beam wear plate lower wall 116, both being joined by a brake beam wear plate bottom wall 118. Accordingly, brake beam wear plate 112 is seen to be generally channel shaped structure. Further, break beam wear plate upper wall lip 120 extends from brake beam wear plateupper wall 114 in a generally transverse fashion, and brake beam wear platelower wall lip 122 extends generally transversely from brake beam wear plate lower wall 116. - Brake beam wear plate upper wall
lip rejection tab 124 is seen to extend transversely from brake beam wear plate upper wall lip 120. The purpose of brake beam wear plate upper walllip rejection tab 124 is to prevent brake beam ear plate 112 from being installed in brake beam guide bracket 102. Due to railway truck design andrailway truck sideframe 100 design, certain brake beam wear plates are designed to be installed in certain brake beam guide brackets. The embodiment of the present invention as shown inFIG. 5 would prohibit brake beam wear plate 112 from being installed in brake beam guide bracket 102. However, a brake beam guide bracket, not shown, that would have a cutout section in sideframe brake beam guide bracket upper section 106, as opposed to a sideframe brake beam guidebracket rejection block 110, would allow brake beam wear plate 112 to be installed therein. Accordingly, it is seen as part of the present invention in the embodiment shown inFIG. 5 that the combination of sideframe brake beam guidebracket rejection block 110 and brake beam wear plate upper walllip rejection tab 124 prohibit the improper installation of brake beam wear plate 112 into a sideframe brake beam guide bracket 102.
Claims (8)
1. A brake beam wear plate assembly for a brake beam guide on a railway car truck sideframe comprising a brake beam wear plate including a channel shaped body having an upper wall and a lower wall,
and a bottom wall connecting the upper wall and the lower wall,
the brake beam wear plate fitted into the brake beam guide,
the upper wall of the bake beam wear plate including
a first lip extending laterally therefrom,
the lower wall of the brake beam wear plate including a second lip extending laterally therefrom,
the upper wall first lip of the brake beam wear plate including a locating tab protruding laterally therefrom,
the brake beam guide comprising an upper section and a lower section,
the upper section of the brake beam guide including a cutout section,
the locating tab of the brake beam wear plate being reviewed in the cutout section of the brake beam guide upper section.
2. The brake beam wear plate assembly of claim 1
wherein the locating tab protruding from the upper wall lip of the brake beam wear liner comprises of a semicircular shaped structure of a thickness similar to the upper wall first lip.
3. The brake beam wear plate assembly of claim 1
wherein the cutout section of the upper section of the brake beam guide comprises a semicircular shaped section.
4. The brake beam wear plate assembly of claim 1
wherein the brake beam wear plate is comprised of a polymer or a high density plastic.
5. A brake beam wear plate rejection assembly for a brake beam guide on a railway car truck sideframe comprising a brake beam wear plate including a channel shaped body having an upper wall and a lower wall, and a bottom wall connecting the upper wall and the lower wall,
the upper wall of the brake beam wear plate including
a first lip extending laterally therefrom,
a lower wall of the brake beam wear plate having
a second lip extending laterally therefrom,
the brake beam wear plate upper wall first lip including a rejection tab protruding laterally therefrom,
the brake beam guide comprising an upper section and a lower section,
the upper section of the brake beam guide including
a block structure extending therefrom,
the rejection tab of the brake beam wear plate contacting the block structure of the brake beam guide upper section to prevent the improper assembly of the brake beam wear plate into the brake beam guide.
6. The brake beam wear plate rejection assembly of claim 5
wherein the rejection tab protruding from the first lip of the upper wall of the brake beam wear plate comprises a rectangular shaped structure of a thickness similar to upper wall first lip.
7. The brake beam wear plate rejection assembly of claim 5
wherein the block structure of the upper section of the brake beam guide comprises a rectangular shaped structure extending from an outer surface of the upper section of the brake beam guide.
8. The brake beam wear plate assembly of claim 5
wherein the brake beam wear plate is comprised of a polymer or a high density plastic.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/495,205 US20130333990A1 (en) | 2012-06-13 | 2012-06-13 | Railcar brake beam wear liner |
CA 2816655 CA2816655C (en) | 2012-06-13 | 2013-05-27 | Railcar brake beam wear liner |
RU2013124961/11A RU2550794C2 (en) | 2012-06-13 | 2013-05-29 | Wearproof plate of railway car truck brake beam |
AU2013206146A AU2013206146B2 (en) | 2012-06-13 | 2013-06-04 | Railcar brake beam wear liner |
CO13138604A CO7140287A1 (en) | 2012-06-13 | 2013-06-07 | Wear lining of the brake bar of a train car |
MX2013006629A MX355484B (en) | 2012-06-13 | 2013-06-11 | Railcar brake beam wear liner. |
BRBR102013014705-2A BR102013014705A2 (en) | 2012-06-13 | 2013-06-12 | Brake Bar Wear Plate Unit, and Brake Bar Wear Plate Rejection Unit |
UAA201307531A UA106447C2 (en) | 2012-06-13 | 2013-06-13 | Assembly of wear-resistant plate of brake beam and blocking unit of wear-resistant plate of brake beam for guide element of brake beam on railcar bogie sidewall |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/495,205 US20130333990A1 (en) | 2012-06-13 | 2012-06-13 | Railcar brake beam wear liner |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130333990A1 true US20130333990A1 (en) | 2013-12-19 |
Family
ID=49753589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/495,205 Abandoned US20130333990A1 (en) | 2012-06-13 | 2012-06-13 | Railcar brake beam wear liner |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130333990A1 (en) |
AU (1) | AU2013206146B2 (en) |
BR (1) | BR102013014705A2 (en) |
CA (1) | CA2816655C (en) |
CO (1) | CO7140287A1 (en) |
MX (1) | MX355484B (en) |
RU (1) | RU2550794C2 (en) |
UA (1) | UA106447C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020055838A1 (en) * | 2018-09-14 | 2020-03-19 | Standard Car Truck Company | Brake beam wear guide |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529353A (en) * | 1948-06-10 | 1950-11-07 | William H Sale | Brake beam support |
US2808906A (en) * | 1954-08-30 | 1957-10-08 | Buffalo Brake Beam Co | Self-centering railway car brake beam |
US3094196A (en) * | 1962-07-25 | 1963-06-18 | Illinois Railway Equipment Co | Safety support for brake beams |
US3907078A (en) * | 1974-02-19 | 1975-09-23 | Westinghouse Air Brake Co | Brake beam and sectionalized brake head therefor |
US4480721A (en) * | 1982-05-26 | 1984-11-06 | Holland Company | Snap-on slide bearing for recessed type guide lugs of unit brake beams |
US5421437A (en) * | 1993-06-23 | 1995-06-06 | Buffalo Brake Beam Company | Unit guide wear plate |
US5682964A (en) * | 1996-09-26 | 1997-11-04 | Zeftek, Inc. | Brake beam wear plate |
US7597178B2 (en) * | 2007-05-31 | 2009-10-06 | Ausco Products, Inc. | Caliper brake |
US7926631B2 (en) * | 2008-12-16 | 2011-04-19 | Mentor Heavy Vehicle Braking Systems (UK) Limited | Disc brake |
US8474578B2 (en) * | 2010-08-13 | 2013-07-02 | Amsted Rail Company, Inc. | Brake beam wear liner |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2053906C1 (en) * | 1993-05-28 | 1996-02-10 | Всероссийский научно-исследовательский институт железнодорожного транспорта | Rail vehicle brake beam |
-
2012
- 2012-06-13 US US13/495,205 patent/US20130333990A1/en not_active Abandoned
-
2013
- 2013-05-27 CA CA 2816655 patent/CA2816655C/en active Active
- 2013-05-29 RU RU2013124961/11A patent/RU2550794C2/en active
- 2013-06-04 AU AU2013206146A patent/AU2013206146B2/en active Active
- 2013-06-07 CO CO13138604A patent/CO7140287A1/en unknown
- 2013-06-11 MX MX2013006629A patent/MX355484B/en active IP Right Grant
- 2013-06-12 BR BRBR102013014705-2A patent/BR102013014705A2/en not_active Application Discontinuation
- 2013-06-13 UA UAA201307531A patent/UA106447C2/en unknown
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2529353A (en) * | 1948-06-10 | 1950-11-07 | William H Sale | Brake beam support |
US2808906A (en) * | 1954-08-30 | 1957-10-08 | Buffalo Brake Beam Co | Self-centering railway car brake beam |
US3094196A (en) * | 1962-07-25 | 1963-06-18 | Illinois Railway Equipment Co | Safety support for brake beams |
US3907078A (en) * | 1974-02-19 | 1975-09-23 | Westinghouse Air Brake Co | Brake beam and sectionalized brake head therefor |
US4480721A (en) * | 1982-05-26 | 1984-11-06 | Holland Company | Snap-on slide bearing for recessed type guide lugs of unit brake beams |
US5421437A (en) * | 1993-06-23 | 1995-06-06 | Buffalo Brake Beam Company | Unit guide wear plate |
US5682964A (en) * | 1996-09-26 | 1997-11-04 | Zeftek, Inc. | Brake beam wear plate |
US7597178B2 (en) * | 2007-05-31 | 2009-10-06 | Ausco Products, Inc. | Caliper brake |
US7926631B2 (en) * | 2008-12-16 | 2011-04-19 | Mentor Heavy Vehicle Braking Systems (UK) Limited | Disc brake |
US8474578B2 (en) * | 2010-08-13 | 2013-07-02 | Amsted Rail Company, Inc. | Brake beam wear liner |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020055838A1 (en) * | 2018-09-14 | 2020-03-19 | Standard Car Truck Company | Brake beam wear guide |
US11230305B2 (en) | 2018-09-14 | 2022-01-25 | Standard Car Truck Company | Brake beam wear guide |
US11904912B2 (en) | 2018-09-14 | 2024-02-20 | Standard Car Truck Company | Break beam wear guide |
Also Published As
Publication number | Publication date |
---|---|
BR102013014705A2 (en) | 2015-08-11 |
CA2816655A1 (en) | 2013-12-13 |
RU2013124961A (en) | 2014-12-10 |
AU2013206146A1 (en) | 2014-01-16 |
RU2550794C2 (en) | 2015-05-10 |
MX2013006629A (en) | 2013-12-16 |
MX355484B (en) | 2018-04-19 |
CO7140287A1 (en) | 2014-12-12 |
CA2816655C (en) | 2015-04-21 |
AU2013206146B2 (en) | 2015-05-07 |
UA106447C2 (en) | 2014-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
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