DE29714339U1 - Ball joint - Google Patents
Ball jointInfo
- Publication number
- DE29714339U1 DE29714339U1 DE29714339U DE29714339U DE29714339U1 DE 29714339 U1 DE29714339 U1 DE 29714339U1 DE 29714339 U DE29714339 U DE 29714339U DE 29714339 U DE29714339 U DE 29714339U DE 29714339 U1 DE29714339 U1 DE 29714339U1
- Authority
- DE
- Germany
- Prior art keywords
- ball joint
- ball
- bearing shell
- joint according
- joint housing
- 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.)
- Expired - Lifetime
Links
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004695 Polyether sulfone Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000012764 mineral filler Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920006393 polyether sulfone Polymers 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 1
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005096 rolling process 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
- 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
- F16C11/0647—Special features relating to adjustment for wear or play; Wear indicators
-
- 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
-
- 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
- F16C11/0666—Sealing means between the socket and the inner member shaft
- F16C11/0671—Sealing means between the socket and the inner member shaft allowing operative relative movement of joint parts due to flexing of the sealing means
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
- F16C2208/04—Glass fibres
-
- 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
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
- F16C2208/20—Thermoplastic resins
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/04—Shaping by casting by injection-moulding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Pens And Brushes (AREA)
Description
Sachsenring Automobiltechnik AG
08058 Zwickau, DESachsenring Automobiltechnik AG
08058 Zwickau, Germany
Die vorliegende Erfindung bezieht sich auf ein Kugelgelenk gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to a ball joint according to the preamble of claim 1.
Kugelgelenke der genannten Art besitzen eine auf die Kugel
aufgeschnappte Lagerschale, die in den Hohlkugelraum des
Kugelgelenkgehauses eingesetzt wird. Anschließend wird die Kugel durch Einrollieren eines Bördelrandes im Hohlkugelraum
fixiert. Sowohl bei der Herstellung des Hohlkugelraumes
als auch bei der Herstellung der Lageschale und der Kugel treten Toleranzen auf, die bei ungünstigem Zusammenfallen
von Plus- oder Minustoleranzen einen zu festen Sitz der Lagerschale oder auch einen zu lockeren Sitz derselben
bewirken können.Ball joints of the type mentioned have a bearing shell snapped onto the ball, which fits into the hollow ball space of the
The ball is then rolled into the hollow ball space by rolling a flanged edge
Both in the production of the hollow sphere space
Tolerances occur both during the production of the bearing shell and the ball, which, if plus or minus tolerances coincide unfavorably, can cause the bearing shell to fit too tightly or too loosely.
Mit der vorliegenden Erfindung soll die Aufgabe gelöst
werden, die Toleranz des Lagerspiels einzuengen oder
möglichst ganz zu beseitigen.The present invention is intended to solve the problem
to narrow the tolerance of the bearing clearance or
to eliminate it completely if possible.
Gelöst wird diese Aufgabe durch die Merkmale des Anspruchs
1.This task is solved by the features of the claim
1.
Weitere vorteilhafte Einzelheiten der Erfindung sind in den Unteransprüchen angegeben und werden nachfolgend anhand der
in der Zeichnung veranschaulichten Ausführungsbeispiele
näher beschrieben.Further advantageous details of the invention are specified in the subclaims and are explained below with reference to the embodiments illustrated in the drawing.
described in more detail.
Es zeigen:Show it:
Fig. 1 eine Seitenansicht eines erfindungsgemäßen Kugelgelenks, teilweise im Schnitt undFig. 1 is a side view of a ball joint according to the invention, partly in section and
Fig. 2 eine ebensolche Ansicht eines erfindungsgemäßen Kugelgelenks mit angespritzter Nut für den Faltenbalg.Fig. 2 is a similar view of a ball joint according to the invention with an injection-molded groove for the bellows.
In Fig. 1 ist mit 1 ein Kugelgelenkgehäuse bezeichnet, das einen Kugelhohlraum 2, eine obere Einsetzöffnung 3 und zumindest eine, beispielsweise auf der dieser gegenüberliegenden Seite 4 angebrachte Einspritzöffnung 5 besitzt.In Fig. 1, 1 denotes a ball joint housing which has a ball cavity 2, an upper insertion opening 3 and at least one injection opening 5, for example on the side 4 opposite this.
In den Kugelhohlraum 2 ist eine an einem Lagerzapfen 6 angeformte Kugel als Gelenkkugel 7 mit einer auf diese aufgeschnappten Lagerschale 8 durch die entsprechend groß ausgebildete Einsetzöffnung 3 eingesetzt. Die Gelenkkugel 7 wird in geeigneter Weise möglichst zentrisch im Kugelhohlraum 2 fixiert und dann mit einer Zwischenschicht 9 aus einem polymerisierenden Kunststoff, beispielsweise einem Thermoplast, hinterspritzt. Der Einspritzvorgang erfolgt durch die Einspritzöffnung 5. Anstelle oder zusätzlich zu dieser Einspritzöffnung 5 können auch an anderen Stellen eine oder mehrere weitere Einspritzöffnungen vorgesehen werden.A ball formed on a bearing pin 6 is inserted into the ball cavity 2 as a joint ball 7 with a bearing shell 8 snapped onto it through the correspondingly large insertion opening 3. The joint ball 7 is fixed in the ball cavity 2 in a suitable manner as centrally as possible and then back-injected with an intermediate layer 9 made of a polymerizing plastic, for example a thermoplastic. The injection process takes place through the injection opening 5. Instead of or in addition to this injection opening 5, one or more further injection openings can also be provided at other locations.
Durch die in die Einsetzöffnung 3 hineinreichende Zwischenschicht 9 wird oben die Gelenkkugel 7 teilweise übergriffen und die Einsetzöffnung 3 so weit verengt, daß ein sicherer Halt der Lagerschale 8 und somit auch der Gelenkkugel 7 im Kugelhohlraum 2 erreicht wird. Durch die Zwischenschicht 9 wird ein sicherer Toleranzausgleich erreicht, der bei der Herstellung von Gelenkkugel 7,The intermediate layer 9, which extends into the insertion opening 3, partially overlaps the joint ball 7 at the top and narrows the insertion opening 3 to such an extent that the bearing shell 8 and thus also the joint ball 7 are securely held in the ball cavity 2. The intermediate layer 9 achieves a secure tolerance compensation, which is important when producing the joint ball 7,
Lagerschale 8 und Kugelhohlraum 2 als Einzelelemente auch bei Anwendung höchster Präzision nicht erreichbar wäre.Bearing shell 8 and ball cavity 2 as individual elements would not be achievable even with the application of the highest precision.
Die Lagerschale 8 kann ein- oder mehrfach geschlitzt ausgeführt sein. Dies bewirkt eine bessere Verankerung derselben mit dem hinterspritzten Material der Zwischenschicht 9.The bearing shell 8 can be designed with one or more slots. This ensures better anchoring of the bearing shell with the back-injected material of the intermediate layer 9.
Das Kugelgelenkgehäuse 1 besitzt einen üblichen oberen Randteil 10 mit einer umlaufenden Nut 11, in die ein Ringwulst 12 eines Faltenbalges 13 eingesetzt und mittels eines Federringes 14 fixiert ist. Die andere, in der Zeichnung obere Seite des Faltenbalges 13 liegt mittels eines Federringes 15 dicht am Lagerzapfen 6 an.The ball joint housing 1 has a conventional upper edge part 10 with a circumferential groove 11, into which an annular bead 12 of a bellows 13 is inserted and fixed by means of a spring ring 14. The other side of the bellows 13, the upper side in the drawing, lies tightly against the bearing pin 6 by means of a spring ring 15.
Bei dem in der Fig. 2 dargestellten Ausführungsbeispiel besitzt das Kugelgelenkgehäuse 1 keinen nach oben weisenden Randteil 10. Dafür ist die Lagerschale 8 mit einem umlaufenden Stützrand 16 versehen, der auf der anstelle des Randteils 10 vorhandenen Stützfläche 17 des Kugelgelenkgehäuses 1 aufliegt. Der Stützrand 16 besitzt eine umlaufende Nut 18 zum Einsetzen des Ringwulstes 12 des Faltenbalges 13. Der Faltenbalg 13 ist mittels des Federringes 14 in der Nut 18 fixiert.In the embodiment shown in Fig. 2, the ball joint housing 1 does not have an upwardly pointing edge part 10. Instead, the bearing shell 8 is provided with a circumferential support edge 16, which rests on the support surface 17 of the ball joint housing 1, which is present instead of the edge part 10. The support edge 16 has a circumferential groove 18 for inserting the annular bead 12 of the bellows 13. The bellows 13 is fixed in the groove 18 by means of the spring ring 14.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung weist die Innenwand des Kugelgelenkgehäuses 1 bzw. des Kugelhohlraumes 2 eine unbearbeitete, rauhe Oberfläche auf. Diese kann eine unbearbeitete Oberfläche bei einem Metallgußteil, einem Blechformteil, einem Kaltfließpreßteil, einem Schmiedeteil oder dgl. sein. Die Oberfläche kann, gegebenenfalls zusätzlich. Nuten, Rillen oder Riefen aufweisen.According to an advantageous embodiment of the invention, the inner wall of the ball joint housing 1 or the ball cavity 2 has an unprocessed, rough surface. This can be an unprocessed surface of a metal casting, a sheet metal molding, a cold-formed part, a forged part or the like. The surface can, if necessary, additionally have grooves, ridges or grooves.
Bevorzugt besteht das Kugelgelenlcgehause 1 aus einem einheitlichen Bauteil.Preferably, the ball joint housing 1 consists of a single component.
Die Lagerschale 8 und/oder die Zwischenschicht 9 bestehen aus einem polymerisierenden Kunststoff, insbesondere einem Thermoplast, vorzugsweise aus einem der Kunststoffe Polyethylen, Polypropylen, Polyoxymethylen, Polyethersulfon, Polyetheretherketon oder Polyamid.The bearing shell 8 and/or the intermediate layer 9 consist of a polymerizing plastic, in particular a thermoplastic, preferably of one of the plastics polyethylene, polypropylene, polyoxymethylene, polyethersulfone, polyetheretherketone or polyamide.
Vorzugsweise besteht die Lagerschale 8 aus einem unverstärkten Kunststoff, während die Zwischenschicht 9 vorteilhaft mit einem Füllstoff, beispielsweise einem oder mehreren mineralischen Füllstoffen, gegebenenfalls aus oder auf der Basis von Glas, beispielsweise in Form von Glasfasern und/oder Glaskugeln oder mineralischen Verbindungen in anderer Form, verstärkt ist.The bearing shell 8 preferably consists of an unreinforced plastic, while the intermediate layer 9 is advantageously reinforced with a filler, for example one or more mineral fillers, optionally made of or based on glass, for example in the form of glass fibers and/or glass beads or mineral compounds in another form.
Claims (9)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29714339U DE29714339U1 (en) | 1997-08-13 | 1997-08-13 | Ball joint |
| JP2000509959A JP2001515191A (en) | 1997-08-13 | 1998-07-29 | Ball joint |
| EP98945066A EP1003979A1 (en) | 1997-08-13 | 1998-07-29 | Ball joint |
| PCT/DE1998/002164 WO1999009328A1 (en) | 1997-08-13 | 1998-07-29 | Ball joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29714339U DE29714339U1 (en) | 1997-08-13 | 1997-08-13 | Ball joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE29714339U1 true DE29714339U1 (en) | 1998-12-17 |
Family
ID=8044456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE29714339U Expired - Lifetime DE29714339U1 (en) | 1997-08-13 | 1997-08-13 | Ball joint |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1003979A1 (en) |
| JP (1) | JP2001515191A (en) |
| DE (1) | DE29714339U1 (en) |
| WO (1) | WO1999009328A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1077334A1 (en) * | 1999-08-16 | 2001-02-21 | Sachsenring Entwicklungsgesellschaft mbH | Ball-joint |
| DE102016122244A1 (en) * | 2016-11-18 | 2018-05-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ball joint and use of a ball joint |
| DE102020203605A1 (en) | 2020-03-20 | 2021-09-23 | Zf Friedrichshafen Ag | Method for manufacturing a ball joint and ball joint according to such a method |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19832254C2 (en) * | 1998-07-17 | 2000-10-12 | Sachsenring Entwicklungsgesell | Ball joint and method for its production |
| GB2344850B (en) * | 1998-12-18 | 2002-10-16 | Components & Linkages Group Lt | Rod end bearing |
| DE102004029581B4 (en) * | 2004-06-18 | 2014-01-16 | Zf Friedrichshafen Ag | Central joint for a wishbone of motor vehicles |
| DE102006013047A1 (en) * | 2006-03-20 | 2007-10-11 | Zf Friedrichshafen Ag | Joint and / or bearing arrangement |
| DE102006030725B4 (en) * | 2006-06-30 | 2009-07-30 | Zf Friedrichshafen Ag | Joint and / or bearing arrangement |
| DE102009004517A1 (en) | 2009-01-09 | 2010-07-22 | Benteler Automobiltechnik Gmbh | Ball joint for use in chassis of motor vehicle, has intermediate layer fixed in gap that separates ball cup from bearing receptacle, where layer is made of flexible material and pre-loaded into gap between ball cup and receptacle |
| US8342769B2 (en) * | 2009-02-13 | 2013-01-01 | Elterman James J | Pivot socket with cartridge bearing and vehicle steering linkage therewith |
| US10066661B2 (en) | 2013-07-17 | 2018-09-04 | Central Corporation | Ball joint and method for manufacturing same |
| KR102065003B1 (en) * | 2017-10-30 | 2020-01-10 | 주식회사 센트랄 | Injection Type Ball Joint With Improved Lubrication Performance |
| JP7340359B2 (en) | 2019-06-13 | 2023-09-07 | 武蔵精密工業株式会社 | Ball joint and ball joint manufacturing method |
| DE102019116034B4 (en) | 2019-06-13 | 2024-01-11 | HQM SCHERDEL GmbH | Ball joint and method for its production |
| CN113123963B (en) * | 2021-04-27 | 2022-12-30 | 河南科技大学 | Plunger connecting rod assembly, plunger connecting rod assembly forming method and forming die |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321595C2 (en) * | 1992-06-30 | 1995-10-12 | Tokai Rubber Ind Ltd | Articulated connection |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3011219A (en) * | 1958-04-14 | 1961-12-05 | American Metal Prod | Method of forming a ball joint utilizing a fluorocarbon layer |
| US3094376A (en) * | 1958-10-03 | 1963-06-18 | American Metal Prod | Method of construction of low friction elements |
| US3164389A (en) * | 1960-11-22 | 1965-01-05 | American Metal Prod | Seal for ball joint stud |
| FR1307118A (en) * | 1960-11-30 | 1962-10-19 | American Metal Prod | Cushioned ball joint |
| DE4421403C2 (en) * | 1994-06-18 | 1997-08-21 | Trw Fahrwerksyst Gmbh & Co | Ball joint |
-
1997
- 1997-08-13 DE DE29714339U patent/DE29714339U1/en not_active Expired - Lifetime
-
1998
- 1998-07-29 WO PCT/DE1998/002164 patent/WO1999009328A1/en active Application Filing
- 1998-07-29 JP JP2000509959A patent/JP2001515191A/en active Pending
- 1998-07-29 EP EP98945066A patent/EP1003979A1/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4321595C2 (en) * | 1992-06-30 | 1995-10-12 | Tokai Rubber Ind Ltd | Articulated connection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1077334A1 (en) * | 1999-08-16 | 2001-02-21 | Sachsenring Entwicklungsgesellschaft mbH | Ball-joint |
| DE102016122244A1 (en) * | 2016-11-18 | 2018-05-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Ball joint and use of a ball joint |
| DE102020203605A1 (en) | 2020-03-20 | 2021-09-23 | Zf Friedrichshafen Ag | Method for manufacturing a ball joint and ball joint according to such a method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001515191A (en) | 2001-09-18 |
| EP1003979A1 (en) | 2000-05-31 |
| WO1999009328A1 (en) | 1999-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R163 | Identified publications notified | ||
| R207 | Utility model specification |
Effective date: 19990204 |
|
| R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20000803 |
|
| R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20031006 |
|
| R081 | Change of applicant/patentee |
Owner name: HQM SACHSENRING GMBH, DE Free format text: FORMER OWNER: SACHSENRING AUTOMOBILTECHNIK AG, 08058 ZWICKAU, DE Effective date: 20040601 |
|
| R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20050915 |
|
| R081 | Change of applicant/patentee |
Owner name: HQM SACHSENRING GMBH, DE Free format text: FORMER OWNER: SACHSENRING ZWICKAU AG, 08058 ZWICKAU, DE Effective date: 20060509 |
|
| R071 | Expiry of right |