WO2004020860A1 - ステアリングシャフト用操舵トルク伝達部材の結合構造 - Google Patents
ステアリングシャフト用操舵トルク伝達部材の結合構造 Download PDFInfo
- Publication number
- WO2004020860A1 WO2004020860A1 PCT/JP2003/010917 JP0310917W WO2004020860A1 WO 2004020860 A1 WO2004020860 A1 WO 2004020860A1 JP 0310917 W JP0310917 W JP 0310917W WO 2004020860 A1 WO2004020860 A1 WO 2004020860A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pin
- steering torque
- diameter
- flange
- steering
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title abstract description 9
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003252 repetitive effect Effects 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
- F16D1/0858—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to the elasticity of the hub (including shrink fits)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/30—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which the coupling is specially adapted to constant velocity-ratio
- F16D3/32—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which the coupling is specially adapted to constant velocity-ratio by the provision of two intermediate members each having two relatively perpendicular trunnions or bearings
- F16D3/33—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which the coupling is specially adapted to constant velocity-ratio by the provision of two intermediate members each having two relatively perpendicular trunnions or bearings with ball or roller bearings
-
- 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
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
- F16D3/78—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members shaped as an elastic disc or flat ring, arranged perpendicular to the axis of the coupling parts, different sets of spots of the disc or ring being attached to each coupling part, e.g. Hardy couplings
-
- 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
- F16D2250/00—Manufacturing; Assembly
Definitions
- the present invention relates to a coupling structure for a steering torque transmitting member for a steering shaft.
- Various types of joints in a vehicle steering device include an elastic shaft joint having a built-in elastic body.
- a rubber is inserted between a yoke of a universal joint and a shaft inserted into the yoke.
- an elastic body such as this, the vibration of the engine and the wheels is absorbed, and the transmission of the vibration to the steering wheel is suppressed.
- torque is transmitted from the shaft to the yoke via an elastic body in a low torque range, but is provided between the yoke and the shaft in a high torque range. This is done by direct contact of the stopper surface.
- a stop shaft 3 having a notch 2 and a disc-shaped elastic body 4 are fixed to the steering shaft 1, and a flange of a yoke (not shown) is attached to the shaft 1. 5 is mounted via bush 6.
- a pin 8 passes through the elastic body 4 and the flange 5 of the yoke via a washer 7.
- the end of the pin 8 on the yoke side is a male screw shaft, which is screwed and fixed with a nut 9, and the other end of the pin 8 comes into contact with (engages) the notch of the stopper plate 3. ing.
- the elastic body 4 undergoes elastic deformation from the yoke flange 5 via the pin 8 and transmits the steering torque by the deformed restraint.
- the steering torque is transmitted directly from the yoke flange 5 to the shaft 1 while the end abuts (engages) with the notch 2 of the stopper plate 3. Reach.
- the transmission structure of the steering torque is the same as above, but the end of the pin 8 on the shock side is fixed to the flange 5 by caulking. Further, in this case, the pin 8 has a large diameter at a portion fitted to the elastic body 4, but has a small diameter at a portion fitted to the flange 5, and has a two-step structure.
- the transmission structure of the steering torque is the same as above, but the elastic body 4 is integrally formed with the washer 7, and the yoke side end of the pin 8 is More fixed to flange 5. Further, in this case, the pin 8 has a large diameter at a portion fitted to the elastic body 4, but has a small diameter at a portion fitted to the flange 5, and has a two-step structure.
- the fixing structure of the pin 8 and the flange 5 include a case where the pin 8 is fixed with a non-stepped pin by caulking and a case where the pin 8 is fixed with a stepped pin and a screwing means.
- the diameter of the pin 8 In such a case, it is conceivable to increase the diameter of the pin 8. However, there is a problem that the weight becomes heavy, and there is a problem that the diameter cannot be increased if it interferes with peripheral parts.In addition, the width of the notch 2 of the stopper plate 3 must be increased, and the force strength must be increased. In this case, the size of the elastic member 4 may be increased as a whole, and the diameter of the pin insertion hole of the elastic member 4 must be increased. Furthermore, the hole diameter of the flange 5 of the yoke must also be increased, and this has led to an increase in the size of the flange 5. If the size is not increased or reinforced, the strength will be reduced.
- a steering torque transmitting member coupling structure for a steering shaft includes: a coupling structure that couples a pair of steering torque transmission members interposed on a steering shaft;
- One steering torque transmitting member and the other steering torque transmitting member transmit the steering torque via a pin
- the one steering torque transmitting member has a pin insertion hole formed with a large-diameter hole, a stepped receiving portion, and a small-diameter hole,
- the pin has a large-diameter portion, a step portion, and a small-diameter portion that engage with the large-diameter hole portion of the pin insertion hole, the stepped receiving portion, and the small-diameter hole portion, respectively. It is characterized by the following. As described above, according to the present invention, one of the steering torque transmitting members and the other steering torque transmitting member transmit the steering torque via the pin, and one of the steering torque transmitting members is the large-diameter hole portion.
- FIG. 1 is a schematic main part side view of a vehicle steering device incorporating a coupling structure according to an embodiment of the present invention.
- FIGS. 2A and 2B are cross-sectional views of a steering shaft, a yoke of a universal joint, and an elastic shaft joint interposed therebetween, according to different embodiments of the present invention.
- FIG. 3A is a cross-sectional view of a pin and flange coupling structure according to an embodiment of the present invention
- FIG. 3B is a cross-sectional view of a conventional pin and flange coupling structure.
- FIG. 4A, FIG. 4B and FIG. 4C are cross-sectional views of different coupling structures of a pin and a flange according to one embodiment of the present invention.
- FIG. 5A and FIG. 5B are cross-sectional views of different coupling structures of a pin and a flange according to one embodiment of the present invention.
- FIG. 6A is a cross-sectional view of a pin and a flange according to the embodiment of the present invention
- FIG. 6B is a cross-sectional view of a state where the pin and the flange shown in FIG. 6A are assembled
- FIGS. 7A, 7B, and 7C are cross-sectional views of different conventional pin and flange coupling structures.
- FIG. 1 is a side view of a main part of a vehicle steering device incorporating an embodiment of the present invention.
- an intermediate shaft 103 is connected to a lower end of a main shaft 101 connected to a steering wheel (not shown) via an upper universal joint 102.
- An input shaft 105 of a gear device (not shown) is connected to a lower end of 03 via a lower universal joint 104.
- FIGS. 2A and 2B are cross-sectional views of a steering shaft, a yoke of a universal joint, and an elastic shaft joint interposed therebetween, according to another embodiment of the present invention.
- the steering shaft 1 and the yoke 11 of the universal joint 10 are connected via an elastic universal joint.
- the steering shaft 1 has a stopper plate 3 having a notch 2 that opens radially outward and a disc-shaped elastic body 4 fixed thereto, and the shaft 1 has a flange 5 of a yoke 1 1. Mounted via bush 6.
- a pin 8 is inserted between the elastic body 4 and the flange 5 via a washer 7.
- the end of the pin 8 on the yoke 11 side is fixed by caulking.
- a washer 12 is attached to the flange 5 by welding, press fitting, bolting, bonding, or the like, and the end of the pin 8 on the yoke 11 side is fixed by caulking through the washer 12. is there.
- the elastic body 4 elastically deforms from the yoke flange 5 via the pin 8 and transmits the steering torque by its deformation resistance, while in the high torque range, the other end of the pin 8
- the steering torque is transmitted directly from the yoke flange 5 to the shaft 1 while the part contacts (engages) the notch 2 of the stopper plate 3.
- the flange 5 has a pin insertion hole formed with a large-diameter hole, a stepped receiving portion, and a small-diameter hole, and the pin 8 is a large-diameter hole of the pin insertion hole.
- the large-diameter portion, the step portion, and the small-diameter portion engage with the portion, the stepped receiving portion, and the small-diameter hole portion, respectively.
- the pin insertion hole 4a of the elastic body 4 is formed in a cylindrical shape, and the washer 7 is not shown, but may or may not be used. .
- the flange 5 has a pin insertion hole formed with a large-diameter hole, a stepped receiving portion, and a small-diameter hole
- the pin 8 has a large-diameter hole of the pin insertion hole and a stepped receiving portion.
- the large diameter portion, the step portion, and the small diameter portion engage with the portion and the small diameter hole portion, respectively.
- FIG. 3A is a cross-sectional view of a pin and flange coupling structure according to an embodiment of the present invention
- FIG. 3B is a cross-sectional view of a conventional pin and flange coupling structure.
- the end of the two-stepped pin 8 is crimped on the flange 5.
- a stress concentration area is formed in the area indicated by the circle.
- the flange 5 has a pin insertion hole formed with a large-diameter hole 21, a stepped receiving portion 22, and a small-diameter hole 23.
- the pin 8 is engaged with the large-diameter hole 21 of the pin insertion hole, the stepped receiving portion 22, and the small-diameter hole 23, respectively. It has a part 32 and a small diameter part 33.
- each of the pin 8 and the pin insertion hole has a stepped structure, and since stress can be concentrated on the large diameter portion, the strength of the pin fixing structure can be improved.
- the thickness of the flange 5 can be reduced.
- the large-diameter portion 31 of the pin 8 is press-fitted into the large-diameter hole 21 of the flange 5.
- the small-diameter portion 33 of the pin 8 may be press-fitted into the small-diameter hole portion 23 of the flange 5 or may be simply inserted (gap setting).
- F is the repetitive load from the stopper plate 3.
- the bending of the pin with respect to F can be further suppressed.
- the caulking hole is not used. Since the top of the flange does not overlap the flange 5, high rigidity and high strength can be achieved.
- 4A, 4B, and 4C are cross-sectional views of a pin / flange coupling structure according to different embodiments of the present invention, respectively.
- the flange 5 has a pin insertion hole formed with a large-diameter hole 21, a stepped receiving portion 22, and a small-diameter hole 23.
- the pin 8 is engaged with the large-diameter hole 21 of the pin insertion hole, the stepped receiving portion 22, and the small-diameter hole 23, respectively. And a small diameter portion 33.
- each of the pin 8 and the pin insertion hole has a stepped structure, and stress can be concentrated on the large-diameter portion, so that the strength of the pin fixing structure can be improved. .
- the outside of the small diameter portion 23 of the flange 5 is embossed, so that the thickness of the flange 5 can be reduced.
- the end of the pin 8 is formed on a male screw shaft, and may be screwed and fixed by a nut 9.
- 5A and 5B are cross-sectional views of a pin / flange coupling structure according to different embodiments of the present invention, respectively.
- the flange 5 has a pin insertion hole in which a large-diameter hole 21, a stepped receiving portion 22, and a small-diameter hole 23 are formed.
- the large-diameter portion 31 that engages with the large-diameter hole portion 21 of the insertion hole, the stepped receiving portion 22, and the small-diameter hole portion 23, respectively. have.
- each of the pin 8 and the pin insertion hole has a stepped structure, and stress is concentrated on the large diameter portion. Therefore, the strength of the pin fixing structure can be improved.
- the thickness of the flange 5 can be reduced.
- the large-diameter portion 31 of the pin 8 is press-fitted into the large-diameter hole 21 of the flange 5.
- the small-diameter portion 33 of the pin 8 may be press-fitted into the small-diameter hole portion 23 of the flange 5 or may be simply inserted (gap setting).
- F is a force which is a repetitive load from the stopper plate 3.
- F is a force which is a repetitive load from the stopper plate 3.
- FIG. 4 (a) the bending of the pin with respect to F can be further suppressed.
- FIG. 5B an inclined hole portion 24 is formed between the stepped receiving portion 22 and the small-diameter hole portion 23, and the gap between the step portion 32 and the small-diameter portion 33 is formed.
- an inclined portion 34 corresponding to the inclined hole portion 24 is formed.
- Other configurations are the same as in the above embodiment. (Embodiments of FIGS. 6A and 6B)
- FIG. 6A is a cross-sectional view of a pin and a flange according to an embodiment of the present invention
- FIG. 6B is a cross-sectional view of a state where the pin and the flange shown in FIG. 6A are assembled. .
- the large-diameter portion 31 of the pin 8 is press-fitted into the large-diameter hole 21 of the flange 5.
- the small-diameter portion 33 of the pin 8 may be press-fitted into the small-diameter hole portion 23 of the flange 5 or may be simply inserted (gap setting).
- the length of the press-fit portion is preferably 5% or more of the flange plate pressure, and more preferably 30% or more.
- the shim opening of the pin and the flange hole is 0.05 mm or more, and preferably 0.05 mm to 0.5 mm.
- the length of the portion A (the distance from the stepped receiving portion of the pin to the bottom of the caulking hole) in FIGS. 6A and 6B is 0.5 mm or more, preferably 2 mm or more.
- the heat treatment hardness of the pin can be set at the recommended value of caulking, and is preferably HV100 to 400.
- the press-fit portion diameter of the pin is ⁇ 4 or more, preferably ⁇ 8 to ⁇ 20.
- one steering torque transmitting member and the other steering torque transmitting member transmit steering torque via the pin
- one steering torque transmitting member has a large diameter hole.
- a pin insertion hole formed with a stepped portion, a stepped receiving portion, and a small-diameter hole portion. And a large diameter portion, a step portion, and a small diameter portion to be engaged.
- each of the pin and the pin insertion hole has a stepped structure, so that stress can be concentrated on the large diameter portion, thereby improving the strength of the pin fixing structure.
- the number of parts can be reduced to reduce manufacturing costs, reduce weight, and improve work and assemblability (reduce assembly time).
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003257570A AU2003257570A1 (en) | 2002-08-28 | 2003-08-28 | Connection structure of steering torque transmission member for steering shaft |
JP2004532749A JPWO2004020860A1 (ja) | 2002-08-28 | 2003-08-28 | ステアリングシャフト用操舵トルク伝達部材の結合構造 |
US10/525,946 US7393282B2 (en) | 2002-08-28 | 2003-08-28 | Coupling structure of steering torque transmitting member for steering shaft |
EP03791365A EP1553317A4 (en) | 2002-08-28 | 2003-08-28 | CONNECTION STRUCTURE OF A TORQUE TRANSMITTER FOR STEERING COLUMN |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-249384 | 2002-08-28 | ||
JP2002249384 | 2002-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004020860A1 true WO2004020860A1 (ja) | 2004-03-11 |
Family
ID=31972572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010917 WO2004020860A1 (ja) | 2002-08-28 | 2003-08-28 | ステアリングシャフト用操舵トルク伝達部材の結合構造 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7393282B2 (ja) |
EP (1) | EP1553317A4 (ja) |
JP (1) | JPWO2004020860A1 (ja) |
CN (1) | CN1324247C (ja) |
AU (1) | AU2003257570A1 (ja) |
WO (1) | WO2004020860A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102673633A (zh) * | 2012-05-16 | 2012-09-19 | 无锡金也汽车部件有限公司 | 转向下传动轴组合件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60201119A (ja) * | 1984-03-26 | 1985-10-11 | Fuji Kiko Co Ltd | 弾性軸継手装置 |
US5222913A (en) * | 1989-05-30 | 1993-06-29 | Nippon Seiko Kabushiki Kaisha | Resilient connector for steering shaft |
US5888139A (en) * | 1996-04-11 | 1999-03-30 | Kabushiki Kaisha Yamada Seisakusho | Elastic shaft coupling apparatus |
US6190259B1 (en) | 1997-10-09 | 2001-02-20 | Nsk Ltd. | Steering joint device for a car |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2067284A (en) * | 1934-11-15 | 1937-01-12 | John W B Pearce | Flexible joint |
US2564905A (en) * | 1946-10-28 | 1951-08-21 | John W Kaye | Shock absorbing wheel |
US2982118A (en) * | 1959-07-18 | 1961-05-02 | Gomma Antivibranti Applic | Resilient transmission joints for shafts |
US3684999A (en) * | 1970-11-09 | 1972-08-15 | Gen Motors Corp | Conductive flexible coupling |
JPS6035938A (ja) * | 1983-08-03 | 1985-02-23 | Sanyo Electric Co Ltd | 圧縮機のステ−タ固定方法 |
JPH034031A (ja) * | 1989-05-30 | 1991-01-10 | Nippon Seiko Kk | ステアリングシャフト用弾性継手 |
KR920014678A (ko) * | 1991-01-29 | 1992-08-25 | 에타블리서멘트 쥬퍼비스 | 차량의 조향축 |
JPH0885403A (ja) * | 1994-09-16 | 1996-04-02 | Suzuki Motor Corp | バンパ取付構造 |
US5632684A (en) * | 1995-10-24 | 1997-05-27 | Xerox Corporation | Stepped shaft assembly |
JP3482343B2 (ja) * | 1998-08-20 | 2003-12-22 | 富士機工株式会社 | ステアリングコラム用ダンパー |
JP2001280355A (ja) * | 2000-03-31 | 2001-10-10 | Nsk Ltd | 弾性軸継手 |
JP3850209B2 (ja) * | 2000-06-07 | 2006-11-29 | 株式会社日立製作所 | 車両用動力伝達軸 |
-
2003
- 2003-08-28 JP JP2004532749A patent/JPWO2004020860A1/ja active Pending
- 2003-08-28 WO PCT/JP2003/010917 patent/WO2004020860A1/ja active Application Filing
- 2003-08-28 EP EP03791365A patent/EP1553317A4/en not_active Withdrawn
- 2003-08-28 AU AU2003257570A patent/AU2003257570A1/en not_active Abandoned
- 2003-08-28 US US10/525,946 patent/US7393282B2/en not_active Expired - Lifetime
- 2003-08-28 CN CNB038205793A patent/CN1324247C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60201119A (ja) * | 1984-03-26 | 1985-10-11 | Fuji Kiko Co Ltd | 弾性軸継手装置 |
US5222913A (en) * | 1989-05-30 | 1993-06-29 | Nippon Seiko Kabushiki Kaisha | Resilient connector for steering shaft |
US5888139A (en) * | 1996-04-11 | 1999-03-30 | Kabushiki Kaisha Yamada Seisakusho | Elastic shaft coupling apparatus |
US6190259B1 (en) | 1997-10-09 | 2001-02-20 | Nsk Ltd. | Steering joint device for a car |
Non-Patent Citations (1)
Title |
---|
See also references of EP1553317A4 * |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004020860A1 (ja) | 2005-12-15 |
EP1553317A4 (en) | 2006-05-10 |
US7393282B2 (en) | 2008-07-01 |
CN1324247C (zh) | 2007-07-04 |
AU2003257570A1 (en) | 2004-03-19 |
US20050239559A1 (en) | 2005-10-27 |
EP1553317A1 (en) | 2005-07-13 |
CN1678840A (zh) | 2005-10-05 |
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