WO2001096754A1 - Lagerschale für kugelgelenke oder kugelhülsengelenke - Google Patents
Lagerschale für kugelgelenke oder kugelhülsengelenke Download PDFInfo
- Publication number
- WO2001096754A1 WO2001096754A1 PCT/DE2001/002244 DE0102244W WO0196754A1 WO 2001096754 A1 WO2001096754 A1 WO 2001096754A1 DE 0102244 W DE0102244 W DE 0102244W WO 0196754 A1 WO0196754 A1 WO 0196754A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing shell
- bearing
- ball
- joints
- shell
- Prior art date
Links
- 239000000314 lubricant Substances 0.000 claims description 5
- 239000011257 shell material Substances 0.000 description 42
- 238000001746 injection moulding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000717 retained effect Effects 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
- F16C11/0623—Construction or details of the socket member
- F16C11/0628—Construction or details of the socket member with linings
- F16C11/0633—Construction or details of the socket member with linings the linings being made of plastics
- F16C11/0638—Construction or details of the socket member with linings the linings being made of plastics characterised by geometrical details
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
-
- 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
- Y10T403/16—Joints and connections with adjunctive protector, broken parts retainer, repair, assembly or disassembly feature
- Y10T403/1616—Position or guide means
- Y10T403/1624—Related to joint component
-
- 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
- Y10T403/32606—Pivoted
- Y10T403/32631—Universal ball and socket
- Y10T403/32786—Divided socket-type coupling
-
- 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
- Y10T403/32606—Pivoted
- Y10T403/32631—Universal ball and socket
- Y10T403/32795—Bifurcated socket
-
- 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
- Y10T403/65—Scarf
- Y10T403/655—Mirror images
Definitions
- the invention relates to a bearing shell for ball joints or ball-and-socket joints with an inner, hollow-spherical bearing surface and an outer, cylindrical-shaped receiving surface with which the bearing shell can be inserted into a joint housing.
- Bearing shells of the generic type are used in a wide variety of variants in ball joints and ball sleeve joints.
- Such joints usually have a ball shank which has one end in the case of ball joints and one ball section in the center in the case of ball-and-socket joints, which is received in the hollow spherical bearing surface of the bearing shell, so that the spherical shaft can execute swiveling and rotating movements with respect to the central longitudinal axis of the joint.
- the bearing shells in turn are usually accommodated in a non-rotatable manner in cylindrical bores of a joint housing.
- the generic bearing shells which are usually made of plastic, in particular POM, are manufactured using injection molding technology, the shape of the injection molding tool being formed in two parts with an internal spherical core and an external hollow shape adapted to the external shape of the bearing shell.
- the internal spherical molded part is separated from the finished spherical shell by forced demolding after the injection molding process, the conventional bearing shells being exposed to relatively large deformations are.
- the bearing shells therefore have a plurality of slots which run axially in the direction of the central longitudinal axis and extend approximately to the equatorial plane of the hollow spherical bearing surface.
- the object of the present invention is therefore to provide a bearing shell of the generic type which, owing to the expanded material selection options, has an increased load capacity and service life, with conventional production in injection molding technology still being used.
- the bearing shell is constructed in several parts with at least two shell parts, which can be detachably coupled to one another by a clamping device, the parting plane between the shell parts running in the direction of the central longitudinal axis of the bearing shell.
- the previously one-piece generic bearing shell can be made up of several, preferably two, half-shells in which Assemble the assembly of the ball joint or ball sleeve joint.
- the half-shells are produced in a conventional manner using injection molding technology, but the shell material does not have to have any particular elastic properties when the half-shells are removed from the mold. For this reason, harder and therefore more wear-resistant can also be used compared to the prior art
- the load limit of the bearing shells according to the invention is correspondingly increased due to the lack of slots due to the no longer necessary forced demolding.
- Shell parts protruding pin and at least one corresponding, arranged in the respectively adjacent shell part, there is recess.
- the dimensions of the pin and recess can be coordinated with one another in such a way that predefined clamping forces or frictional forces can be easily realized when the shell parts are assembled. If the connection of the bearing shell parts is to be designed not as a frictional connection but as a form-fitting connection, this can easily be achieved by a suitable snap-in connection on the pins or in the recesses.
- the cylindrical shaped surface on the outside of the bearing shell is provided with a plurality of recesses arranged in the circumferential direction. These recesses lead to a not inconsiderable weight saving of the bearing shell.
- the grooves provided as lubricant reservoirs contribute to increasing the load options and service life of the ball joints or ball sleeve joints.
- Figure 1 a spatial representation of half of the invention
- Figure 2a is a sectional view through a further embodiment of a
- Half-shell and Figure 3 a spatial view of a second embodiment of a bearing shell for a ball and socket joint.
- the bearing shell according to the invention essentially consists of two half-shells 1 and 2, of which a half-shell 1 is shown in the exemplary embodiment shown.
- the two half-shells In the assembled state, the two half-shells form an inner, hollow-spherical bearing surface 3, while on the outside they have a cylindrical receiving surface 4 have that can be inserted into a housing of a ball joint.
- the two half-shells 1 and 2 are coupled to one another in the assembled state by a clamp connection.
- the clamp connection consists of a pin 6 which is connected to the
- Partition surface 7 protrudes between the two half-shells 1 and 2, and from one corresponding recess 8, which has been made in the separating surface of the half-shell 2.
- a pin 6 and a recess 8 are located in each case on a half-shell 1 or 2. The diameter of the pin 6 and the recess 8 are matched to one another in such a way that a sufficient clamping effect is achieved by frictional engagement in the assembled state.
- a plurality of recesses 5 are arranged on the receiving surface 4, which contribute to reducing the weight of the bearing shell according to the invention.
- the hemispherical bearing surface 3 has a plurality of grooves 9 which have a depth of 0.1 to 0.3 mm and are provided for receiving lubricants, in particular bearing greases.
- the thickness of the bearing shell according to the invention has a constant value in the region of the hollow spherical bearing surface 3, so that a uniform loading of the bearing shell is ensured.
- FIG. 2a additionally has elastomer seals 13 and 13a, which bear against the ball accommodated in the bearing shell 1, whereby it should be noted that in the case of ball joints, only the seal 13a is necessary due to their housing closed on one side.
- FIG. 3 shows a further embodiment variant which, in contrast to the variant of FIG. 1 intended for ball joints, is provided for ball sleeve joints.
- This embodiment variant differs in that the half-shells 1 and 2 are constructed symmetrically to the equatorial plane 11; in this embodiment, the cylindrical receiving surface 4 comprises the entire outer region of the half-shells 1 and 2.
- the symmetrical design results in latches of the half-shells 1 and 2 both in the upper region as well as in the lower area of the half-shells.
- the bearing surface 3 in the exemplary embodiment has 3 also grooves 9 for receiving lubricant. Like grooves in FIG. 1, these grooves 9 run parallel to the central longitudinal axis 10.
- the bearing shell according to the invention facilitates in particular the assembly of an associated ball joint or ball sleeve joint and the production or demolding of the corresponding shell parts. Due to the special structural design, plastic materials can now also be used compared to the prior art, which, due to their hardness or their lack of elasticity, could not previously be provided for use in ball joints or ball sleeve joints.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/019,630 US6761499B2 (en) | 2000-06-16 | 2001-06-13 | Bearing shell for ball-and-socket joints |
MXPA01013160A MXPA01013160A (es) | 2000-06-16 | 2001-06-13 | Casquillo de cojinete para articulaciones esfericas o articulaciones esfericas de manguito. |
BR0106735-4A BR0106735A (pt) | 2000-06-16 | 2001-06-13 | Concha de mancal para articulações esféricas ou articulações esféricas de luva |
EP01949266A EP1305531B1 (de) | 2000-06-16 | 2001-06-13 | Lagerschale für kugelgelenke oder kugelhülsengelenke |
JP2002510846A JP2004503727A (ja) | 2000-06-16 | 2001-06-13 | ボールジョイントまたはボールブシュジョイントに用いられる支承シェル |
KR1020027001524A KR20020029375A (ko) | 2000-06-16 | 2001-06-13 | 볼조인트 또는 볼슬리브 조인트를 위한 베어링셸 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10028984A DE10028984C2 (de) | 2000-06-16 | 2000-06-16 | Lagerschale für Kugelgelenke oder Kugelhülsengelenke |
DE10028984.3 | 2000-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001096754A1 true WO2001096754A1 (de) | 2001-12-20 |
Family
ID=7645502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/002244 WO2001096754A1 (de) | 2000-06-16 | 2001-06-13 | Lagerschale für kugelgelenke oder kugelhülsengelenke |
Country Status (9)
Country | Link |
---|---|
US (1) | US6761499B2 (de) |
EP (1) | EP1305531B1 (de) |
JP (1) | JP2004503727A (de) |
KR (1) | KR20020029375A (de) |
BR (1) | BR0106735A (de) |
DE (1) | DE10028984C2 (de) |
ES (1) | ES2251493T3 (de) |
MX (1) | MXPA01013160A (de) |
WO (1) | WO2001096754A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2055528A1 (de) * | 2007-11-01 | 2009-05-06 | T.Y.C. Brother Industrial Co., Ltd. | Fahrzeuglampe mit einem Verbindungskörper |
EP2213514A1 (de) * | 2009-01-30 | 2010-08-04 | SMR Patents S.à.r.l. | Fahrzeuginnenspiegelvorrichtung mit Kugelklemmen |
EP2344711A1 (de) * | 2008-11-11 | 2011-07-20 | Carl Stahl Gmbh | Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen |
RU186028U1 (ru) * | 2018-07-24 | 2018-12-26 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" | Вкладыш шарового шарнира |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10125143C2 (de) * | 2001-05-22 | 2003-04-10 | Zf Lemfoerder Metallwaren Ag | Kugelgelenk |
DE10329777B4 (de) * | 2003-07-01 | 2009-08-27 | Daimler Ag | Lagerschale für ein Kugelgelenk |
ATE438808T1 (de) * | 2005-05-27 | 2009-08-15 | Jesa Sa | Herstellungsverfahren eines kugelgelenks |
US20070166096A1 (en) * | 2005-06-03 | 2007-07-19 | Lim Chong K | Joint assembly |
DE102005061939B4 (de) * | 2005-11-29 | 2009-03-19 | Teleflex Automotive Germany Gmbh | Gedämpfte Lagerschale für Handschalthebel |
DE102007008961B3 (de) * | 2007-02-21 | 2008-07-10 | Zf Friedrichshafen Ag | Betätigungseinrichtung |
CN101408219B (zh) * | 2007-10-12 | 2013-04-24 | 鸿富锦精密工业(深圳)有限公司 | 转动定位结构 |
KR100858689B1 (ko) * | 2008-02-14 | 2008-09-16 | 주식회사 센트랄 링크텍 | 그리스 홈이 형성된 인서트 몰딩 형식의 볼조인트 및 그제조방법 |
US8171600B2 (en) * | 2009-05-19 | 2012-05-08 | Gyrobag, Llc | Omni-directional handle |
WO2011019108A1 (ko) * | 2009-08-10 | 2011-02-17 | 주식회사 일진 | 볼조인트 구조 및 이의 제조방법 |
KR101016446B1 (ko) * | 2009-11-30 | 2011-02-21 | 박용순 | 도로용 중앙분리대 |
KR20110063173A (ko) * | 2009-12-04 | 2011-06-10 | 현대자동차주식회사 | 서스펜션 암 |
CN103185061B (zh) * | 2011-12-31 | 2016-03-09 | 珠海格力电器股份有限公司 | 轴孔配合机构及其所用转轴 |
US9232966B2 (en) * | 2012-09-24 | 2016-01-12 | Refai Technologies, Llc | Articulating spinal rod system |
DE102013110409A1 (de) | 2013-09-20 | 2015-03-26 | Martin Berger | Hydrodynamisches Gleitlager |
EP3913244A1 (de) | 2015-03-18 | 2021-11-24 | Martin Berger | Hydrodynamisches gleitlager |
EP3421825B1 (de) | 2015-03-18 | 2020-08-19 | BMTS Technology GmbH & Co. KG | Abgasturbolader, hydrodynamisches gleitlager und lageranordnung |
US10767721B2 (en) | 2015-08-18 | 2020-09-08 | Hendrickson Usa, L.L.C. | Bar pin bushing for vehicle suspension |
US10704637B2 (en) | 2015-08-18 | 2020-07-07 | Hendrickson Usa, L.L.C. | Bar pin bushing for vehicle suspension |
JP6300772B2 (ja) * | 2015-10-02 | 2018-03-28 | 日本発條株式会社 | ボールジョイント |
DE202016105071U1 (de) | 2016-09-13 | 2016-11-03 | Martin Berger | Hydrodynamisches Gleitlager und Abgasturbolader |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527787A (en) * | 1948-02-27 | 1950-10-31 | Reuben Firestone | Knuckle joint |
US3744859A (en) * | 1969-05-15 | 1973-07-10 | Caterpillar Tractor Co | Multi-part bearing liner |
GB2052620A (en) * | 1979-06-20 | 1981-01-28 | Gkn Automotive Fasteners Ltd | Ball and socket joints |
US4435101A (en) * | 1980-12-29 | 1984-03-06 | Tokico Ltd. | Ball joint |
US4619658A (en) * | 1982-02-24 | 1986-10-28 | Pappas Michael J | Spherical kinematic joint |
GB2181496A (en) * | 1985-10-05 | 1987-04-23 | Glyco Metall Werke | Split plain bearing |
WO1999032796A1 (de) * | 1997-12-20 | 1999-07-01 | Sachsenring Automobiltechnik Ag | Kugelschale für ein kugelgelenk und kugelgelenk mit einer solchen kugelschale |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2234338A1 (de) * | 1972-07-12 | 1974-01-31 | Leopold F Schmid | Spielfreies kugelgelenk mit einem grossen beugungswinkel, insbesondere fuer lenkgestaenge von kraftfahrzeugen |
DE8304914U1 (de) * | 1982-02-24 | 1987-09-17 | Pappas, Michael J., Caldwell, N.J., Us | |
JPH0182322U (de) * | 1987-11-24 | 1989-06-01 | ||
JPH0526225A (ja) * | 1991-07-17 | 1993-02-02 | Yorozu:Kk | ボールジヨイントおよびその製造方法 |
DE29708162U1 (de) * | 1997-05-09 | 1997-07-17 | Lemfoerder Metallwaren Ag | Radialkugelgelenk für Kraftfahrzeug |
US6019541A (en) * | 1998-11-09 | 2000-02-01 | Dana Corporation | Radial ring bearing set for ball and socket joints |
US6206785B1 (en) * | 1999-03-05 | 2001-03-27 | Delphi Technologies, Inc. | Constant velocity universal joint and method |
-
2000
- 2000-06-16 DE DE10028984A patent/DE10028984C2/de not_active Expired - Fee Related
-
2001
- 2001-06-13 ES ES01949266T patent/ES2251493T3/es not_active Expired - Lifetime
- 2001-06-13 WO PCT/DE2001/002244 patent/WO2001096754A1/de active IP Right Grant
- 2001-06-13 EP EP01949266A patent/EP1305531B1/de not_active Expired - Lifetime
- 2001-06-13 JP JP2002510846A patent/JP2004503727A/ja active Pending
- 2001-06-13 MX MXPA01013160A patent/MXPA01013160A/es active IP Right Grant
- 2001-06-13 BR BR0106735-4A patent/BR0106735A/pt not_active Application Discontinuation
- 2001-06-13 KR KR1020027001524A patent/KR20020029375A/ko not_active Application Discontinuation
- 2001-06-13 US US10/019,630 patent/US6761499B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2527787A (en) * | 1948-02-27 | 1950-10-31 | Reuben Firestone | Knuckle joint |
US3744859A (en) * | 1969-05-15 | 1973-07-10 | Caterpillar Tractor Co | Multi-part bearing liner |
GB2052620A (en) * | 1979-06-20 | 1981-01-28 | Gkn Automotive Fasteners Ltd | Ball and socket joints |
US4435101A (en) * | 1980-12-29 | 1984-03-06 | Tokico Ltd. | Ball joint |
US4619658A (en) * | 1982-02-24 | 1986-10-28 | Pappas Michael J | Spherical kinematic joint |
GB2181496A (en) * | 1985-10-05 | 1987-04-23 | Glyco Metall Werke | Split plain bearing |
WO1999032796A1 (de) * | 1997-12-20 | 1999-07-01 | Sachsenring Automobiltechnik Ag | Kugelschale für ein kugelgelenk und kugelgelenk mit einer solchen kugelschale |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2055528A1 (de) * | 2007-11-01 | 2009-05-06 | T.Y.C. Brother Industrial Co., Ltd. | Fahrzeuglampe mit einem Verbindungskörper |
EP2344711A1 (de) * | 2008-11-11 | 2011-07-20 | Carl Stahl Gmbh | Lastaufnahmevorrichtung zum einleiten von lastkräften wie seilkräfte oder spannkräfte von flächenstrukturen |
EP2213514A1 (de) * | 2009-01-30 | 2010-08-04 | SMR Patents S.à.r.l. | Fahrzeuginnenspiegelvorrichtung mit Kugelklemmen |
RU186028U1 (ru) * | 2018-07-24 | 2018-12-26 | Общество С Ограниченной Ответственностью "Научно-Производственное Объединение "Ростар" | Вкладыш шарового шарнира |
Also Published As
Publication number | Publication date |
---|---|
EP1305531B1 (de) | 2005-12-07 |
EP1305531A1 (de) | 2003-05-02 |
ES2251493T3 (es) | 2006-05-01 |
MXPA01013160A (es) | 2002-08-12 |
DE10028984A1 (de) | 2002-01-03 |
BR0106735A (pt) | 2002-04-16 |
US6761499B2 (en) | 2004-07-13 |
US20030072609A1 (en) | 2003-04-17 |
JP2004503727A (ja) | 2004-02-05 |
KR20020029375A (ko) | 2002-04-18 |
DE10028984C2 (de) | 2002-09-26 |
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