US20030104871A1 - Polygon universal joint - Google Patents
Polygon universal joint Download PDFInfo
- Publication number
- US20030104871A1 US20030104871A1 US10/010,019 US1001901A US2003104871A1 US 20030104871 A1 US20030104871 A1 US 20030104871A1 US 1001901 A US1001901 A US 1001901A US 2003104871 A1 US2003104871 A1 US 2003104871A1
- Authority
- US
- United States
- Prior art keywords
- universal joint
- circumferentially spaced
- housing section
- facing facets
- 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.)
- Granted
Links
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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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
-
- 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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/32—Articulated members
- Y10T403/32008—Plural distinct articulation axes
- Y10T403/32041—Universal
Definitions
- the present invention generally relates to a universal joint adapted to interconnect two rotating shafts positioned at an angle relative to one another.
- the present invention is a universal joint adapted to allow rotational movement to be transferred between two shaft which are at an angle relative to one another for low torque and low speed applications such as a steering column.
- the head and pocket will wear to a point where there is an unacceptable play or dead-land between the input shaft and the output shaft. Therefore, there is a need for an improved universal joint which will accommodate wear to the head and pocket to maintain solid engagement between the head and the pocket as the head and pocket wear with time.
- FIG. 1 is a sectional view of a universal joint of the present invention
- FIG. 2 is a perspective view of a first member of the universal joint of FIG. 1 having an elongated semi-spherical head;
- FIG. 3 is a perspective view of a second member of the universal joint of FIG. 1 having a pocket adapted to receive the elongated head shown in FIG. 2;
- FIG. 4 is a cross section view taken along line 4 - 4 of FIG. 1;
- FIG. 5 is a cross sectional view of the pocket.
- the universal joint 10 includes a first member 12 and a second member 14 .
- the first and second members 12 , 14 are preferably made from a metal.
- the first and second members 12 , 14 are made from mild carbon steel with a hardness of 55 to 65 on the Rockwell C scale.
- the first member 12 has a first longitudinal axis 16 and includes an elongated semi-spherical head 18 having a plurality of circumferentially spaced and radially outward facing facets 20 which are curved along the first longitudinal axis 16 .
- the second member 14 has a second longitudinal axis 22 and includes a pocket 24 which is adapted to receive the elongated head 18 of the first member 12 .
- the pocket 24 is formed within the second member 14 and includes an opening 26 and a bottom 28 .
- the pocket 24 further includes a plurality of circumferentially spaced and radially inward facing facets 30 which correspond to the plurality of radially outward facing facets 20 on the elongated head 18 .
- the radially inward facing facets 30 extend between the opening 26 and the bottom 28 , thereby defining the multiple sided pocket 24 .
- the facets 30 and 20 engage which prevents the head 18 and the pocket 24 from being able to rotate relative to one another.
- the elongated head 18 and the facets 30 within the pocket 24 will allow rotational movement to be transferred between the first member 12 and the second member 14 when the first axis 16 is at an angle to the second axis 22 .
- the elongated head 18 includes between five and ten circumferentially spaced and radially outward facing facets 20 and the pocket 24 includes a corresponding number of circumferentially spaced and radially inward facing facets 30 .
- the number of facets 20 , 30 depends upon the particular application. The fewer the facets 20 , 30 , then the larger the facets 20 , 30 will be, and the smaller the relative angle will be between the facets 20 , 30 . This will provide angular contact between the inwardly facing facets 30 and the outwardly facing facets 20 .
- the number of facets 20 , 30 determines how much torque and speed the universal joint 10 can withstand.
- the fewer the number of facets 20 , 30 the more torque that the universal joint 10 will be able to withstand, but the noisier the universal joint 10 will be.
- the higher the number of facets 20 , 30 the lower the torque, but the quieter the universal joint 10 will operate.
- the elongated head 18 and the pocket 24 each have six circumferentially spaced facets 20 , 30 .
- the outwardly facing facets 20 on the elongated head 18 of the first member 12 are curved along the first axis 16 . This allows the first member 12 to be angled with respect to the second member 14 while maintaining substantially the same area of frictional contact between the facets 20 of the elongated head 18 and the facets 30 of the pocket 24 . This allows rotational movement to be transferred between the first member 12 and the second member 14 when the first and second members 12 , 14 are at an angle to each other.
- the facets 30 within the pocket 24 are tapered at an angle 31 to the second longitudinal axis 22 giving the pocket 24 a conical profile such that the pocket 24 becomes larger as the radially inward facing facets 30 extend from the bottom 28 to the opening 26 .
- the elongated head 18 of the first member 12 fits within the opening 26 of the pocket 24 and will slide downward toward the bottom 28 until the cross sectional area of the pocket 24 is substantially the same as the cross sectional area of the elongated head 18 , wherein the inwardly facing facets 30 of the pocket 24 will come into contact with the outwardly facing facets 20 of the elongated head 18 .
- the universal joint 10 further includes a first housing section 32 which is adapted to support the first member 12 and a second housing section 34 which is adapted to support the second member.
- the first and second housing sections 32 , 34 are adapted to be attached to one another thereby securing the elongated head 18 of the first member 12 in engagement with the pocket 24 of the second member 14 .
- the first and second housing sections 32 , 34 are made from a strong but lightweight material such as plastic or aluminum.
- the first housing section 32 is adapted to allow longitudinal movement of the first member 12 . This allows the first member to slide back and forth and allows the elongated head 18 to move back and forth within the pocket 24 .
- the second housing section 34 holds the second member 14 such that no longitudinal movement of the second member 14 is permitted, however, the second housing section 34 is adapted to allow pivotal movement of the second member 14 .
- the first member 12 includes a radial flange 36 and the first housing section 32 includes a support surface 38 .
- a spring 40 is placed between the radial flange 36 and the support surface 38 to bias the first member 12 longitudinally away from the support surface 38 .
- the spring 40 will act to keep a biasing force on the first member to keep the first member fully engaged with the second member. This will prevent backlash from occurring within the universal joint 10 .
- the spring 40 will maintain solid engagement between the elongated head 18 and the pocket 24 as the elongated head 18 and the pocket 24 wear. Over time, the corners formed where the circumferentially spaced facets 20 of the elongated head 18 meet will wear down due to friction with the internally facing facets 30 of the pocket 24 . The cross sectional size of the elongated head 18 will wear to a smaller size, and the cross sectional size of the pocket 24 will wear to a larger size until eventually there will be play between the head 18 and the pocket 24 .
- the strength of the spring 40 used is important.
- the spring 40 must exert enough force on the first member 12 to provide sufficient bias of the first member 12 , however, the force of the spring 40 must not be too much, whereby friction between the first and second members 12 , 14 and the first and second housing sections 32 , 34 prevents smooth rotational movement of the first and second members 12 , 14 .
- the second member 14 In order to function properly, the second member 14 must be able to smoothly pivot and rotate within the second housing section 34 .
- the tapered facets 30 of the pocket 24 provide a cross sectional pocket size which becomes gradually smaller from the opening 26 toward the bottom 28 of the pocket 24 .
- the spring 40 will force the elongated head further into the pocket 24 to a point where the pocket 24 has not sustained any wear and the cross sectional size of the smaller elongated head 18 is substantially the same as the cross sectional size of the pocket 24 .
- the tapered profile of the pocket 24 and the spring 40 which biases the elongated head 18 into the pocket 24 will allow the universal joint 10 to accommodate some wear over time while preserving the performance of the universal joint 10 .
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Steering Controls (AREA)
Abstract
Description
- The present invention generally relates to a universal joint adapted to interconnect two rotating shafts positioned at an angle relative to one another. Specifically, the present invention is a universal joint adapted to allow rotational movement to be transferred between two shaft which are at an angle relative to one another for low torque and low speed applications such as a steering column.
- Many universal joints exist which are adapted to transfer rotational movement from an input shaft to an output shaft. The purpose of a universal joint is to allow this rotational movement to be transferred when the input shaft is positioned at some angle relative to the output shaft. Traditional universal joints use a pair of yokes attached to each other with a cross member. Needle bearings located within ball caps supported by the yokes provide flexibility in transmitting rotational motion between the yokes when the yokes are at an angle to each other. This type of universal joint is ideal for high torque and high RPM applications. Examples of such devices include propeller shafts used in front engine, rear wheel drive motor vehicles. However, in some applications, such as with a steering column of a motor vehicle, it is not necessary for the universal joint to be robust enough to withstand high torque and high RPMs. In steering column applications it is desired to connect the steering wheel to the steering gear box. Due to packaging and crash protection issues, those components are generally not aligned.
- Universal joints for low torque, low RPM applications have also been developed. One such method involves the use of a head and pocket arrangement wherein the head has a plurality of facets facing radially outward and the pocket has a corresponding plurality of facets facing radially inward. In this type of application, the head is mounted to one of the shafts and is rounded to allow that shaft to tilt relative to the pocket. The meshing engagement of the outwardly facing sides of the head and the inwardly facing sides of the pocket allow rotation movement to be transferred from one shaft to the other similarly to a pair of meshing gears. One problem with such an arrangement is that due to the friction between the head and the pocket, the sides of each will wear with time. As these surfaces wear, there will be less frictional engagement. Ultimately, the head and pocket will wear to a point where there is an unacceptable play or dead-land between the input shaft and the output shaft. Therefore, there is a need for an improved universal joint which will accommodate wear to the head and pocket to maintain solid engagement between the head and the pocket as the head and pocket wear with time.
- FIG. 1 is a sectional view of a universal joint of the present invention;
- FIG. 2 is a perspective view of a first member of the universal joint of FIG. 1 having an elongated semi-spherical head;
- FIG. 3 is a perspective view of a second member of the universal joint of FIG. 1 having a pocket adapted to receive the elongated head shown in FIG. 2;
- FIG. 4 is a cross section view taken along line4-4 of FIG. 1; and
- FIG. 5 is a cross sectional view of the pocket.
- The following description of the preferred embodiment of the invention is not intended to limit the scope of the invention to this preferred embodiment, but rather to enable any person skilled in the art to make and use the invention.
- Referring to FIGS. 1 through 3, a universal joint adapted to interconnect a pair of rotating shafts at an angle relative to one another is shown generally at10. The
universal joint 10 includes afirst member 12 and asecond member 14. The first andsecond members second members first member 12 has a firstlongitudinal axis 16 and includes an elongatedsemi-spherical head 18 having a plurality of circumferentially spaced and radially outward facingfacets 20 which are curved along the firstlongitudinal axis 16. - Referring to FIG. 3, the
second member 14 has a secondlongitudinal axis 22 and includes apocket 24 which is adapted to receive theelongated head 18 of thefirst member 12. Thepocket 24 is formed within thesecond member 14 and includes an opening 26 and abottom 28. Thepocket 24 further includes a plurality of circumferentially spaced and radially inward facingfacets 30 which correspond to the plurality of radially outward facingfacets 20 on theelongated head 18. The radially inward facingfacets 30 extend between the opening 26 and thebottom 28, thereby defining the multiple sidedpocket 24. - Referring to FIG. 1, when the
elongated head 18 of thefirst member 12 is inserted within thepocket 24, thefacets head 18 and thepocket 24 from being able to rotate relative to one another. Theelongated head 18 and thefacets 30 within thepocket 24 will allow rotational movement to be transferred between thefirst member 12 and thesecond member 14 when thefirst axis 16 is at an angle to thesecond axis 22. - The
elongated head 18 includes between five and ten circumferentially spaced and radially outward facingfacets 20 and thepocket 24 includes a corresponding number of circumferentially spaced and radially inward facingfacets 30. The number offacets facets facets facets facets 30 and the outwardly facingfacets 20. As the number offacets facets facets facets universal joint 10 can withstand. The fewer the number offacets universal joint 10 will be able to withstand, but the noisier theuniversal joint 10 will be. The higher the number offacets universal joint 10 will operate. In the preferred embodiment, theelongated head 18 and thepocket 24 each have six circumferentially spacedfacets - The outwardly facing
facets 20 on theelongated head 18 of thefirst member 12 are curved along thefirst axis 16. This allows thefirst member 12 to be angled with respect to thesecond member 14 while maintaining substantially the same area of frictional contact between thefacets 20 of theelongated head 18 and thefacets 30 of thepocket 24. This allows rotational movement to be transferred between thefirst member 12 and thesecond member 14 when the first andsecond members - Referring to FIG. 5, the
facets 30 within thepocket 24 are tapered at anangle 31 to the secondlongitudinal axis 22 giving the pocket 24 a conical profile such that thepocket 24 becomes larger as the radially inward facingfacets 30 extend from thebottom 28 to the opening 26. Referring to FIG. 4, theelongated head 18 of thefirst member 12 fits within the opening 26 of thepocket 24 and will slide downward toward thebottom 28 until the cross sectional area of thepocket 24 is substantially the same as the cross sectional area of theelongated head 18, wherein the inwardly facingfacets 30 of thepocket 24 will come into contact with the outwardly facingfacets 20 of theelongated head 18. - Referring again to FIG. 1, the
universal joint 10 further includes afirst housing section 32 which is adapted to support thefirst member 12 and asecond housing section 34 which is adapted to support the second member. The first andsecond housing sections elongated head 18 of thefirst member 12 in engagement with thepocket 24 of thesecond member 14. Preferably, the first andsecond housing sections - The
first housing section 32 is adapted to allow longitudinal movement of thefirst member 12. This allows the first member to slide back and forth and allows theelongated head 18 to move back and forth within thepocket 24. Thesecond housing section 34 holds thesecond member 14 such that no longitudinal movement of thesecond member 14 is permitted, however, thesecond housing section 34 is adapted to allow pivotal movement of thesecond member 14. - In the preferred embodiment, the
first member 12 includes aradial flange 36 and thefirst housing section 32 includes asupport surface 38. When theuniversal joint 10 is assembled, aspring 40 is placed between theradial flange 36 and thesupport surface 38 to bias thefirst member 12 longitudinally away from thesupport surface 38. Thespring 40 will act to keep a biasing force on the first member to keep the first member fully engaged with the second member. This will prevent backlash from occurring within theuniversal joint 10. - Additionally, the
spring 40 will maintain solid engagement between theelongated head 18 and thepocket 24 as theelongated head 18 and thepocket 24 wear. Over time, the corners formed where the circumferentially spacedfacets 20 of theelongated head 18 meet will wear down due to friction with the internally facingfacets 30 of thepocket 24. The cross sectional size of theelongated head 18 will wear to a smaller size, and the cross sectional size of thepocket 24 will wear to a larger size until eventually there will be play between thehead 18 and thepocket 24. - The strength of the
spring 40 used is important. Thespring 40 must exert enough force on thefirst member 12 to provide sufficient bias of thefirst member 12, however, the force of thespring 40 must not be too much, whereby friction between the first andsecond members second housing sections second members second member 14 must be able to smoothly pivot and rotate within thesecond housing section 34. - One significant advantage of the present invention is that the tapered
facets 30 of thepocket 24 provide a cross sectional pocket size which becomes gradually smaller from theopening 26 toward the bottom 28 of thepocket 24. As theelongated head 18 and thepocket 24 wear, thespring 40 will force the elongated head further into thepocket 24 to a point where thepocket 24 has not sustained any wear and the cross sectional size of the smallerelongated head 18 is substantially the same as the cross sectional size of thepocket 24. Therefore, as theelongated head 18 and thepocket 24 experience wear over time, the tapered profile of thepocket 24 and thespring 40 which biases theelongated head 18 into thepocket 24 will allow the universal joint 10 to accommodate some wear over time while preserving the performance of theuniversal joint 10. - The foregoing discussion discloses and describes one preferred embodiment of the invention. One skilled in the art will readily recognize from such discussion, and from the accompanying drawings and claims, that changes and modifications can be made to the invention without departing from the true spirit and fair scope of the invention as defined in the following claims. The invention has been described in an illustrative manner, and it is to be understood that the terminology which has been used is intended to be in the nature of words of description rather than of limitation.
Claims (14)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/010,019 US6572480B1 (en) | 2001-12-05 | 2001-12-05 | Polygon universal joint |
GB0226653A GB2383625B (en) | 2001-12-05 | 2002-11-15 | Polygon universal joint |
JP2002352743A JP2003184905A (en) | 2001-12-05 | 2002-12-04 | Polygon universal joint |
DE10257127A DE10257127A1 (en) | 2001-12-05 | 2002-12-05 | Polygonal articulated coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/010,019 US6572480B1 (en) | 2001-12-05 | 2001-12-05 | Polygon universal joint |
Publications (2)
Publication Number | Publication Date |
---|---|
US6572480B1 US6572480B1 (en) | 2003-06-03 |
US20030104871A1 true US20030104871A1 (en) | 2003-06-05 |
Family
ID=21743350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/010,019 Expired - Fee Related US6572480B1 (en) | 2001-12-05 | 2001-12-05 | Polygon universal joint |
Country Status (4)
Country | Link |
---|---|
US (1) | US6572480B1 (en) |
JP (1) | JP2003184905A (en) |
DE (1) | DE10257127A1 (en) |
GB (1) | GB2383625B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1724179A1 (en) * | 2005-05-18 | 2006-11-22 | Deere & Company | Steering Column |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1839268A (en) * | 2003-10-08 | 2006-09-27 | 加斯帕尔多塞米纳特里奇有限公司 | A transmission joint, in particular for transmitting drive between non-aligned shafts |
US7850386B2 (en) * | 2004-07-21 | 2010-12-14 | Unger Marketing International, Llc | Two-axis swivel joint |
US7527640B2 (en) * | 2004-12-22 | 2009-05-05 | Ebi, Llc | Bone fixation system |
JP4498407B2 (en) | 2006-12-22 | 2010-07-07 | キヤノン株式会社 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit |
JP4948382B2 (en) | 2006-12-22 | 2012-06-06 | キヤノン株式会社 | Coupling member for mounting photosensitive drum |
JP5311854B2 (en) | 2007-03-23 | 2013-10-09 | キヤノン株式会社 | Electrophotographic image forming apparatus, developing device, and coupling member |
JP4558083B2 (en) | 2008-06-20 | 2010-10-06 | キヤノン株式会社 | Cartridge, method for assembling the cartridge, and method for disassembling the cartridge |
CN103307127B (en) * | 2013-07-02 | 2015-08-19 | 中国航空动力机械研究所 | Shaft connector |
TWI691384B (en) | 2019-06-17 | 2020-04-21 | 豐造工業股份有限公司 | Universal joint |
CN112140067B (en) * | 2019-06-28 | 2022-03-08 | 丰造工业股份有限公司 | Universal joint |
US11041523B2 (en) * | 2019-07-16 | 2021-06-22 | Fine Forge Industry Corporation | Universal joint |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1311679A (en) | 1919-07-29 | Tjnrveksal | ||
US1286945A (en) | 1917-03-29 | 1918-12-10 | George H Coates | Coupling for shafts. |
US1408789A (en) | 1921-04-13 | 1922-03-07 | Whitney Engineering Company | Floating link coupling |
US1860762A (en) | 1928-11-02 | 1932-05-31 | Gairing Tool Company | Universal joint drive connection |
US3608685A (en) * | 1969-12-02 | 1971-09-28 | Glenn W Childress | Selective drive hub clutch |
US3702639A (en) * | 1970-09-11 | 1972-11-14 | Kewanee Mach & Conveyor Co | Spring biased coupling member on a disk gang for driving engagement with a folding wing gang coupling member |
US3940946A (en) | 1974-10-02 | 1976-03-02 | General Signal Corporation | Universal joint |
GB1526850A (en) * | 1975-11-04 | 1978-10-04 | Klaus F | Universal joint |
US4034574A (en) * | 1975-11-04 | 1977-07-12 | Frank A. Klaus | Universal ball and socket swivel joint |
US4080079A (en) | 1977-01-06 | 1978-03-21 | Visi-Trol Engineering Company | Universal joint |
CA1290952C (en) | 1986-10-11 | 1991-10-22 | Kenneth H. Wenzel | Downhole motor drive shaft universal joint assembly |
US5069569A (en) | 1991-05-09 | 1991-12-03 | Ferro Tools Inc. | Universal joint |
US5738586A (en) | 1994-09-09 | 1998-04-14 | Consolidated Devices Inc. | Semi-universal torque coupling |
US5860864A (en) | 1997-01-10 | 1999-01-19 | Camco International, Inc. | Joint assembly having self-biasing mechanism to bias two shafts into coaxial alignment |
JPH1137170A (en) * | 1997-07-18 | 1999-02-09 | Ntn Corp | Equi-velocity universal joint |
-
2001
- 2001-12-05 US US10/010,019 patent/US6572480B1/en not_active Expired - Fee Related
-
2002
- 2002-11-15 GB GB0226653A patent/GB2383625B/en not_active Expired - Fee Related
- 2002-12-04 JP JP2002352743A patent/JP2003184905A/en active Pending
- 2002-12-05 DE DE10257127A patent/DE10257127A1/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1724179A1 (en) * | 2005-05-18 | 2006-11-22 | Deere & Company | Steering Column |
US20060260426A1 (en) * | 2005-05-18 | 2006-11-23 | Deere & Company, A Delaware Corporation | Flexible steering shaft |
Also Published As
Publication number | Publication date |
---|---|
JP2003184905A (en) | 2003-07-03 |
DE10257127A1 (en) | 2003-09-11 |
GB2383625A (en) | 2003-07-02 |
GB0226653D0 (en) | 2002-12-24 |
GB2383625B (en) | 2004-06-02 |
US6572480B1 (en) | 2003-06-03 |
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AS | Assignment |
Owner name: VISTEON GLOBAL TECHNOLOGIES, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HUANG, HSIN-HONG;REEL/FRAME:012379/0270 Effective date: 20011130 |
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AS | Assignment |
Owner name: AUTOMOTIVE COMPONENTS HOLDINGS, LLC, MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VISTEON GLOBAL TECHNOLOGIES, INC.;REEL/FRAME:016835/0471 Effective date: 20051129 |
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REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
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FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20070603 |