US20050146107A1 - Suspension seat and axle coupling - Google Patents
Suspension seat and axle coupling Download PDFInfo
- Publication number
- US20050146107A1 US20050146107A1 US11/061,830 US6183005A US2005146107A1 US 20050146107 A1 US20050146107 A1 US 20050146107A1 US 6183005 A US6183005 A US 6183005A US 2005146107 A1 US2005146107 A1 US 2005146107A1
- Authority
- US
- United States
- Prior art keywords
- seats
- suspension member
- sides
- suspension
- opposing sides
- 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
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/43—Fittings, brackets or knuckles
- B60G2204/4306—Bracket or knuckle for rigid axles, e.g. for clamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/30—Constructional features of rigid axles
- B60G2206/32—Hollow cross section
Definitions
- This invention relates to a connection device for a suspension assembly, and more particularly, the invention relates to an improved suspension seat and axle arrangement for securing suspension components to an axle.
- Suspension seats are used to clamp suspension components together such as for clamping suspension spring brackets to a rear axle housing.
- a pair of seats are arranged on either side of the housing and a U-bolt is used to secure and clamp the seats about the housing.
- the clamps frequently loosen over time, which may damage the axle housing and related suspension components unless the fasteners are tightened.
- the seat assembly is rather expensive and utilizes five separate components to form the seat. Furthermore, the seat components engage the sides of the housing which tends to introduce clamping forces only in the vertical direction similar to the prior art.
- the lower seat had utilized angled surfaces that engage a pair of intermediate lower seat portions that are in contact with the corners and portions of sides of the housing. Therefore, what is needed is a more cost effective seat assembly that creates compressive forces in the vertical and horizontal sides of the housing.
- the invention relates to a suspension assembly including a first suspension member such as a rear axle housing having first and second opposing sides.
- the housing includes spaced apart corners.
- First and second seats are respectively adjacent to the first and second opposing sides.
- Each of the seats has inwardly facing surfaces interconnected by an intermediate surface with the inwardly facing surfaces engaging the corners and the intermediate surface spaced from the side.
- the intermediate surface and inwardly facing surfaces of each seat form a continuous unbroken surface with the inwardly facing surfaces facing one another.
- a fastener such as a U-bolt or a pair of bolts secure the first and second seat about the first suspension member to secure a second suspension member to the first suspension member.
- the above invention provides a more cost effective seat assembly that creates compressive forces in the vertical and horizontal sides of the housing.
- FIG. 1 is a cross-sectional view of the present invention suspension assembly seats
- FIG. 2 is another cross-sectional view of the present invention suspension assembly seats.
- a suspension assembly 10 is shown in FIGS. 1 and 2 .
- the suspension assembly includes a first suspension member 12 that is preferably a generally quadrilateral longitudinal member such as an axle housing.
- the first suspension member 12 may include a pair of vertical and horizontal sides 14 with corners 16 interconnecting the sides 14 .
- First and second seats 18 and 20 are arranged opposite one another adjacent opposing sides 14 .
- a fastener assembly 24 is used to clamp the first and second seats 18 and 20 about the first suspension member 12 to secure a second suspension member 22 such as an attaching bracket for a suspension spring.
- the fastener assembly 24 may be a pair of bolts 26 and nuts 28 as shown in FIG. 1 or a U-bolt 30 and nuts 28 as shown in FIG. 2 .
- prior art seat assemblies introduce compressive forces in only the vertical sides of the axle. As a result, the seats are more susceptible to becoming loose over time.
- some prior art devices have utilized a multi-piece seat assembly to introduce compressive forces in the horizontal sides in addition to the vertical sides.
- the seat assembly does not isolate the clamping force to the corners of the axle housing so that virtually all of the compressive force is concentrated in the vertical sides as is the prior art.
- the present invention first and second seats 18 and 20 engage the corner 16 to introduce vertical V and horizontal H compressive forces in the sides 14 of the first suspension member 12 .
- the first and second seats 18 and 20 include inwardly facing surfaces 32 with an intermediate surface 34 interconnecting the inwardly facing surfaces 32 to form a continuous unbroken surface 36 . That is, the first and second seats 18 and 20 each are a unitary structure that include a pair of inwardly facing surfaces 32 that face one another. The inwardly facing surfaces 32 engage the corners 16 . For the embodiment shown in FIG. 1 , the corners may be defined by a flat, and the inwardly facing surfaces 32 may also be flat to better rotationally fix the first and second seats 18 and 20 relative to the first suspension member 12 .
- the intermediate surface 34 is spaced from the side 14 .
- a more conventional first suspension member 12 is shown in FIG. 2 .
- the corners 16 of the first suspension member 12 each have a radius.
- the inwardly facing surfaces 32 may be of an angle that is more resistant to permitting relative movement of the first and second seats 18 and 20 relative to the first suspension member 12 . It is to be understood, that the inwardly facing surfaces 32 and intermediate surface 34 may be of a shape other than those shown in FIGS. 1 and 2 .
Abstract
A suspension assembly is provided that includes a first suspension member such as a rear axle housing having first and second opposing sides. The housing includes spaced apart corners. First and second seats are respectively adjacent to the first and second opposing sides. Each of the seats has inwardly facing surfaces interconnected by an intermediate surface with the inwardly facing surfaces engaging the corners and the intermediate surface spaced from the side. The intermediate surface and inwardly facing surfaces of each seat form a continuous unbroken surface with the inwardly facing surfaces facing one another. A fastener such as a U-bolt or a pair of bolts secure the first and second seat about the first suspension member to secure a second suspension member to the first suspension member.
Description
- This application is a continuation of U.S. application Ser. No. 10/139,989 filed on May 7, 2002.
- This invention relates to a connection device for a suspension assembly, and more particularly, the invention relates to an improved suspension seat and axle arrangement for securing suspension components to an axle.
- Suspension seats are used to clamp suspension components together such as for clamping suspension spring brackets to a rear axle housing. Typically, a pair of seats are arranged on either side of the housing and a U-bolt is used to secure and clamp the seats about the housing. The clamps frequently loosen over time, which may damage the axle housing and related suspension components unless the fasteners are tightened.
- One solution to the above problem has been to weld the seats to the housing. However, welding is a rather expensive process and the weld may break. Another solution has been to utilize locating features between the seats and the axle housing to ensure that the axle and seats do not move relative to one another in the event that the clamps loosen. The locating features add cost to the suspension assembly and may require a weld or costly feature be added to the axle housing. Finally, a design has been proposed to concentrate the clamping forces in the corners of the axle housing to introduce compressive forces in the sides of the housing.
- However, the seat assembly is rather expensive and utilizes five separate components to form the seat. Furthermore, the seat components engage the sides of the housing which tends to introduce clamping forces only in the vertical direction similar to the prior art. The lower seat had utilized angled surfaces that engage a pair of intermediate lower seat portions that are in contact with the corners and portions of sides of the housing. Therefore, what is needed is a more cost effective seat assembly that creates compressive forces in the vertical and horizontal sides of the housing.
- The invention relates to a suspension assembly including a first suspension member such as a rear axle housing having first and second opposing sides. The housing includes spaced apart corners. First and second seats are respectively adjacent to the first and second opposing sides. Each of the seats has inwardly facing surfaces interconnected by an intermediate surface with the inwardly facing surfaces engaging the corners and the intermediate surface spaced from the side. The intermediate surface and inwardly facing surfaces of each seat form a continuous unbroken surface with the inwardly facing surfaces facing one another. A fastener such as a U-bolt or a pair of bolts secure the first and second seat about the first suspension member to secure a second suspension member to the first suspension member.
- Accordingly, the above invention provides a more cost effective seat assembly that creates compressive forces in the vertical and horizontal sides of the housing.
- Other advantages of the present invention can be understood by reference to the following detailed description when considered in connection with the accompanying drawings wherein:
-
FIG. 1 is a cross-sectional view of the present invention suspension assembly seats; and -
FIG. 2 is another cross-sectional view of the present invention suspension assembly seats. - A
suspension assembly 10 is shown inFIGS. 1 and 2 . The suspension assembly includes afirst suspension member 12 that is preferably a generally quadrilateral longitudinal member such as an axle housing. Thefirst suspension member 12 may include a pair of vertical andhorizontal sides 14 withcorners 16 interconnecting thesides 14. First andsecond seats opposing sides 14. Afastener assembly 24 is used to clamp the first andsecond seats first suspension member 12 to secure asecond suspension member 22 such as an attaching bracket for a suspension spring. Thefastener assembly 24 may be a pair ofbolts 26 andnuts 28 as shown inFIG. 1 or aU-bolt 30 andnuts 28 as shown inFIG. 2 . - Typically, prior art seat assemblies introduce compressive forces in only the vertical sides of the axle. As a result, the seats are more susceptible to becoming loose over time. To address this, some prior art devices have utilized a multi-piece seat assembly to introduce compressive forces in the horizontal sides in addition to the vertical sides. However, the seat assembly does not isolate the clamping force to the corners of the axle housing so that virtually all of the compressive force is concentrated in the vertical sides as is the prior art. To this end, the present invention first and
second seats corner 16 to introduce vertical V and horizontal H compressive forces in thesides 14 of thefirst suspension member 12. - The first and
second seats surfaces 32 with anintermediate surface 34 interconnecting the inwardly facingsurfaces 32 to form a continuousunbroken surface 36. That is, the first andsecond seats surfaces 32 that face one another. The inwardly facingsurfaces 32 engage thecorners 16. For the embodiment shown inFIG. 1 , the corners may be defined by a flat, and the inwardly facingsurfaces 32 may also be flat to better rotationally fix the first andsecond seats first suspension member 12. Theintermediate surface 34 is spaced from theside 14. A more conventionalfirst suspension member 12 is shown inFIG. 2 . Thecorners 16 of thefirst suspension member 12 each have a radius. The inwardly facingsurfaces 32 may be of an angle that is more resistant to permitting relative movement of the first andsecond seats first suspension member 12. It is to be understood, that the inwardly facingsurfaces 32 andintermediate surface 34 may be of a shape other than those shown inFIGS. 1 and 2 . - The invention has been described in an illustrative manner, and it is to be understood that the terminology that has been used is intended to be in the nature of words of description rather than of limitation. Obviously, many modifications and variations of the present invention are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
Claims (7)
1. A suspension assembly comprising:
a first suspension member having an octagonal cross-section providing first and second sets of opposing sides and flats interconnecting said first set of opposing sides to said second set of opposing sides;
first and second seats engaging said flats; and
a fastener assembly exerting a clamping force on said first and second seats thereby applying compressive forces to said first and second sets of opposing sides with said first and second seats.
2. The assembly according to claim 1 , wherein said first and second sets of opposing sides provide four long sides and said flats provide four short sides, said four short sides shorter than said four long sides.
3. The assembly according to claim 2 , wherein said four short sides are at approximately a 45 degree angle relative to said four long sides.
4. The assembly according to claim 1 , wherein said first suspension member is an axle.
5. The assembly according to claim 1 , wherein said first and second seats are arranged respectively adjacent said first and second sets of opposing sides, each of said first and second seats having inwardly facing surfaces which are generally planar and interconnected by an intermediate surface, with said inwardly facing surfaces engaging said first and second flats and said intermediate surface spaced from said first and second sets of opposing sides.
6. The assembly according to claim 1 , wherein said fastener assembly secures said first and second seats about said first suspension member to secure a second suspension member to said first suspension member.
7. A suspension assembly comprising:
an axle having an octagonal cross-section;
a suspension member; and
seats securing said suspension member to said axle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/061,830 US20050146107A1 (en) | 2002-05-07 | 2005-02-21 | Suspension seat and axle coupling |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/139,989 US6857645B2 (en) | 2002-05-07 | 2002-05-07 | Suspension seat and axle coupling |
US11/061,830 US20050146107A1 (en) | 2002-05-07 | 2005-02-21 | Suspension seat and axle coupling |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/139,989 Continuation US6857645B2 (en) | 2002-05-07 | 2002-05-07 | Suspension seat and axle coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050146107A1 true US20050146107A1 (en) | 2005-07-07 |
Family
ID=29249777
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/139,989 Expired - Lifetime US6857645B2 (en) | 2002-05-07 | 2002-05-07 | Suspension seat and axle coupling |
US11/061,830 Abandoned US20050146107A1 (en) | 2002-05-07 | 2005-02-21 | Suspension seat and axle coupling |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/139,989 Expired - Lifetime US6857645B2 (en) | 2002-05-07 | 2002-05-07 | Suspension seat and axle coupling |
Country Status (4)
Country | Link |
---|---|
US (2) | US6857645B2 (en) |
EP (1) | EP1361085A3 (en) |
JP (1) | JP2004161239A (en) |
CN (1) | CN1472086A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016022127A1 (en) * | 2014-08-07 | 2016-02-11 | Watson & Chalin Manufacturing, Inc. | Suspension system with axle clamp that accomodates axle variations |
CN106166921A (en) * | 2016-08-11 | 2016-11-30 | 合肥超科电子有限公司 | The driven bridge of electric rail-defect detecting car and electric rail-defect detecting car vehicle frame |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050253351A1 (en) * | 2004-05-14 | 2005-11-17 | Jaw-Ping Pan | Preloaded suspension bracket assembly for axle housing |
US7416200B2 (en) * | 2005-05-13 | 2008-08-26 | Saf-Holland, Inc. | Vehicle suspension assembly |
US20070290478A1 (en) * | 2006-06-15 | 2007-12-20 | Chien-Sheng Ting | Bicycle |
NL1032409C2 (en) * | 2006-09-01 | 2008-03-04 | Weweler Nv | Connection construction for a wheel axle. |
WO2008054263A1 (en) * | 2006-10-31 | 2008-05-08 | Volvo Lastvagnar Ab | An axle suspension assembly for a heavy vehicle |
GB0908621D0 (en) * | 2009-05-20 | 2009-06-24 | Hendrickson Int Corp | Vehicle suspension means |
CN101574914B (en) * | 2009-06-16 | 2011-02-16 | 广东富华工程机械制造有限公司 | Axle and suspension connecting structure of semi-trailer |
CN102267113B (en) * | 2011-07-26 | 2013-05-08 | 重庆长安汽车股份有限公司 | Auxiliary tool used for welding suspension clamp |
US8955860B2 (en) | 2012-03-28 | 2015-02-17 | Saf-Holland, Inc. | Vehicle suspension assembly with integrated torque member and trailing arm mount |
WO2014142657A2 (en) * | 2013-03-15 | 2014-09-18 | Vdl Weweler B.V. | Wheel axle suspension with rectangular axle body |
NL2010460C2 (en) * | 2013-03-15 | 2014-09-16 | Vdl Weweler B V | Wheel axle suspension with rectangular axle body. |
DE102017115692A1 (en) * | 2017-07-12 | 2019-01-17 | Bpw Bergische Achsen Kg | Achslenker and axle suspension for a vehicle axle |
US11110765B2 (en) | 2019-05-31 | 2021-09-07 | Mahindra N.A. Tech Center | Suspension spring saddle |
Citations (21)
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US1314817A (en) * | 1919-09-02 | Fastening means for leaf-springs | ||
US1539070A (en) * | 1919-04-30 | 1925-05-26 | Eaton Axle & Spring Co | Spring |
US3386724A (en) * | 1965-11-04 | 1968-06-04 | Fruehauf Corp | Vehicle construction spring-to-axle mounting |
US3547215A (en) * | 1968-06-07 | 1970-12-15 | Neway Equipment Co | Automotive vehicle suspension structure |
US3630541A (en) * | 1970-06-11 | 1971-12-28 | Int Harvester Co | Vehicle axle suspension |
US3785673A (en) * | 1971-09-20 | 1974-01-15 | Western Unit Corp | Preloaded spring beam and method employed alone or in combination with air bellows spring |
US3913937A (en) * | 1974-07-03 | 1975-10-21 | Dura Corp | Universal axle pad and clamp assemblies for vehicle suspensions |
US4033606A (en) * | 1975-08-06 | 1977-07-05 | Reyco Industries, Inc. | Vehicle tandem suspensions |
US4465298A (en) * | 1982-01-21 | 1984-08-14 | Raidel Sr John E | U-Joint mount and lateral guide for air spring suspension |
US4541653A (en) * | 1982-09-30 | 1985-09-17 | Raidel John E | Air spring suspension with angular torque beam, U-joint mount therefor, and lateral guides |
US4693486A (en) * | 1986-04-09 | 1987-09-15 | Lear Siegler, Inc. | Trailing arm suspension with wrapper compression axle mounting |
US4705294A (en) * | 1986-07-03 | 1987-11-10 | Raidel John E | Air suspension assembly with universal pivoted hanger bearings and rigid mount angular torque spring-beam |
US4858949A (en) * | 1987-11-20 | 1989-08-22 | Lear Siegler Neway Corp. | Lightweight trailing arm suspension |
US5078420A (en) * | 1990-11-14 | 1992-01-07 | The Boler Company | Tandem wheel and axle suspension |
US5328159A (en) * | 1992-08-18 | 1994-07-12 | Dana Corporation | Axle housing attachment assembly |
US6015158A (en) * | 1998-06-24 | 2000-01-18 | Timbren Industries Inc. | Heavy duty truck suspension |
US6032967A (en) * | 1998-02-18 | 2000-03-07 | Dana Canada, Inc. | Axle and suspension connection assembly and method |
US6241266B1 (en) * | 1995-08-03 | 2001-06-05 | Holland Neway International, Inc. | Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting |
US6244613B1 (en) * | 1998-09-12 | 2001-06-12 | Claas Selbstfahrende Erntemaschinen Gmbh | Self-propelled agricultural machine |
US6264231B1 (en) * | 2000-03-20 | 2001-07-24 | The Boler Company | Axle suspension connection |
US20020074762A1 (en) * | 2000-11-04 | 2002-06-20 | Michael Auerbach | Attachment of a vehicle axle to an axle suspension |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1003214C2 (en) * | 1996-05-28 | 1997-12-03 | Weweler Nv | Axle construction for a vehicle, as well as axle pad and clamping plate therefor. |
DE10118696A1 (en) * | 2001-04-14 | 2002-10-24 | Bpw Bergische Achsen Kg | Axle integration for sprung vehicle axles |
-
2002
- 2002-05-07 US US10/139,989 patent/US6857645B2/en not_active Expired - Lifetime
-
2003
- 2003-04-25 CN CNA031224695A patent/CN1472086A/en active Pending
- 2003-05-06 JP JP2003127788A patent/JP2004161239A/en not_active Withdrawn
- 2003-05-06 EP EP03252817A patent/EP1361085A3/en not_active Withdrawn
-
2005
- 2005-02-21 US US11/061,830 patent/US20050146107A1/en not_active Abandoned
Patent Citations (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1314817A (en) * | 1919-09-02 | Fastening means for leaf-springs | ||
US1539070A (en) * | 1919-04-30 | 1925-05-26 | Eaton Axle & Spring Co | Spring |
US3386724A (en) * | 1965-11-04 | 1968-06-04 | Fruehauf Corp | Vehicle construction spring-to-axle mounting |
US3547215A (en) * | 1968-06-07 | 1970-12-15 | Neway Equipment Co | Automotive vehicle suspension structure |
US3630541A (en) * | 1970-06-11 | 1971-12-28 | Int Harvester Co | Vehicle axle suspension |
US3785673A (en) * | 1971-09-20 | 1974-01-15 | Western Unit Corp | Preloaded spring beam and method employed alone or in combination with air bellows spring |
US3913937A (en) * | 1974-07-03 | 1975-10-21 | Dura Corp | Universal axle pad and clamp assemblies for vehicle suspensions |
US4033606A (en) * | 1975-08-06 | 1977-07-05 | Reyco Industries, Inc. | Vehicle tandem suspensions |
US4465298A (en) * | 1982-01-21 | 1984-08-14 | Raidel Sr John E | U-Joint mount and lateral guide for air spring suspension |
US4541653A (en) * | 1982-09-30 | 1985-09-17 | Raidel John E | Air spring suspension with angular torque beam, U-joint mount therefor, and lateral guides |
US4693486A (en) * | 1986-04-09 | 1987-09-15 | Lear Siegler, Inc. | Trailing arm suspension with wrapper compression axle mounting |
US4705294A (en) * | 1986-07-03 | 1987-11-10 | Raidel John E | Air suspension assembly with universal pivoted hanger bearings and rigid mount angular torque spring-beam |
US4858949A (en) * | 1987-11-20 | 1989-08-22 | Lear Siegler Neway Corp. | Lightweight trailing arm suspension |
US5078420A (en) * | 1990-11-14 | 1992-01-07 | The Boler Company | Tandem wheel and axle suspension |
US5328159A (en) * | 1992-08-18 | 1994-07-12 | Dana Corporation | Axle housing attachment assembly |
US6241266B1 (en) * | 1995-08-03 | 2001-06-05 | Holland Neway International, Inc. | Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting |
US20010017451A1 (en) * | 1995-08-03 | 2001-08-30 | Smith John P. | Trailing arm suspension with wrapper compression axle mounting and articulated axle mounting |
US6032967A (en) * | 1998-02-18 | 2000-03-07 | Dana Canada, Inc. | Axle and suspension connection assembly and method |
US6015158A (en) * | 1998-06-24 | 2000-01-18 | Timbren Industries Inc. | Heavy duty truck suspension |
US6244613B1 (en) * | 1998-09-12 | 2001-06-12 | Claas Selbstfahrende Erntemaschinen Gmbh | Self-propelled agricultural machine |
US6264231B1 (en) * | 2000-03-20 | 2001-07-24 | The Boler Company | Axle suspension connection |
US20020074762A1 (en) * | 2000-11-04 | 2002-06-20 | Michael Auerbach | Attachment of a vehicle axle to an axle suspension |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016022127A1 (en) * | 2014-08-07 | 2016-02-11 | Watson & Chalin Manufacturing, Inc. | Suspension system with axle clamp that accomodates axle variations |
CN106166921A (en) * | 2016-08-11 | 2016-11-30 | 合肥超科电子有限公司 | The driven bridge of electric rail-defect detecting car and electric rail-defect detecting car vehicle frame |
Also Published As
Publication number | Publication date |
---|---|
CN1472086A (en) | 2004-02-04 |
US6857645B2 (en) | 2005-02-22 |
US20030209871A1 (en) | 2003-11-13 |
EP1361085A3 (en) | 2004-10-27 |
EP1361085A2 (en) | 2003-11-12 |
JP2004161239A (en) | 2004-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |