DE4404193B4 - Tensioner pulley for an aggregate operation of an internal combustion engine - Google Patents
Tensioner pulley for an aggregate operation of an internal combustion engine Download PDFInfo
- Publication number
- DE4404193B4 DE4404193B4 DE4404193A DE4404193A DE4404193B4 DE 4404193 B4 DE4404193 B4 DE 4404193B4 DE 4404193 A DE4404193 A DE 4404193A DE 4404193 A DE4404193 A DE 4404193A DE 4404193 B4 DE4404193 B4 DE 4404193B4
- Authority
- DE
- Germany
- Prior art keywords
- cylindrical hollow
- shaped
- hollow body
- cup
- drawn
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/265—Making other particular articles wheels or the like parts of wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/006—Guiding rollers, wheels or the like, formed by or on the outer element of a single bearing or bearing unit, e.g. two adjacent bearings, whose ratio of length to diameter is generally less than one
-
- 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
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
- F16C13/02—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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- 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
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/024—Belt drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/06—Endless member is a belt
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/63—Gears with belts and pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Spannrolle (8) für einen Aggregatetrieb einer Brennkraftmaschine, mit einem spanlos gezogenen Außenteil, das ortsfest mit einem Anschlußteil (29) verbunden ist und einem spanlos gezogenen Innenteil mit einem Rollenkörper (15), das über Wälzkörper (19) drehbar im Außenteil gelagert ist, dadurch gekennzeichnet, daß die Spannrollenteile selbst einen Außenring und einen Innenring bilden, wobei der Außenring als tassenförmiges Ziehteil (13) ausgebildet ist, dessen Innenseite eine Laufbahn (18) für die Wälzkörper (19) aufweist und dessen Boden (16) mit mindestens zwei Montageöffnungen (22) versehen ist, während der Innenring als ein zylindrischer Hohlkörper (14) ausgebildet ist, dessen Mantelfläche eine zweite Laufbahn (23) für die Wälzkörper (19) trägt und der mit dem Rollenkörper (15) durch eine Preßpassung verbunden ist.idler (8) for an aggregate drive of an internal combustion engine, with a chipless drawn outer part, the stationary with a connector (29) is connected and a non-cutting drawn inner part with a roller body (15) that about Rolling elements (19) rotatable in the outer part is mounted, characterized in that the tensioning roller parts themselves an outer ring and form an inner ring, the outer ring being a cup-shaped drawing part (13) is formed, the inside of which is a raceway (18) for the rolling elements (19) has and the bottom (16) with at least two assembly openings (22) is provided while the inner ring is designed as a cylindrical hollow body (14), its lateral surface a second career (23) for the rolling elements (19) carries and the one with the reel body (15) by an interference fit connected is.
Description
Die Erfindung betrifft eine Spannrolle für einen Aggregatetrieb einer Brennkraftmaschine, mit einem spanlos gezogenen Außenteil, das ortsfest mit einem Anschlußteil verbunden ist und einem spanlos gezogenen Innenteil mit einem Rollenkörper, das über Wälzkörper drehbar im Außenteil gelagert ist.The The invention relates to a tension pulley for an aggregate drive Internal combustion engine, with an external part drawn without cutting, the stationary with a connector is connected and a non-cutting drawn inner part with a roller body that rotates via rolling elements in the outer part is stored.
Eine
derartige Spannrolle ist aus der
Der Nachteil ist darin zu sehen, daß zur Lagerung des Innenteils ein Wälzlager mit einem Innen- und Außenring verwendet wird. Dadurch wird die Herstellung der Spannrolle erschwert, da einerseits die Lagerringe zusätzlich gefertigt werden müssen und andererseits ein relativ kompliziert geformtes Außen- bzw. Innenteil notwendig ist. Die aufwendige Querschnittsform des Innen- bzw. Außenteiles ist erforderlich, da diese zur festen Fixierung der Lagerringe in axialer Richtung zwei Schultern aufweisen müssen. Dies wiederum erschwert die Herstellung der entsprechenden Ziehwerkzeuge.The The disadvantage is that the Storage of the inner part of a rolling bearing with an inner and outer ring is used. This makes the production of the tension pulley difficult, because the bearing rings on the one hand have to be manufactured and on the other hand, a relatively complicated shaped exterior or Inner part is necessary. The elaborate cross-sectional shape of the interior or outer part is required, as these are used to fix the bearing rings in place must have two shoulders in the axial direction. This in turn makes it more difficult the production of the corresponding drawing tools.
Aufgabe der Erfindung ist es daher, eine Spannrolle der eingangs genannten Art so zu verbessern, daß deren Fertigung wesentlich vereinfacht wird.task The invention is therefore, a tension pulley of the aforementioned Art to improve so that Manufacturing is significantly simplified.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß die Spannrollenteile selbst einen Außenring und einen Innenring bilden, wobei der Außenring als tassenförmiges Ziehteil ausgebildet ist, dessen Innenseite eine Laufbahn für die Wälzkörper aufweist und dessen Boden mit mindestens zwei Montageöffnungen versehen ist, während der Innenring als ein zylindrischer Hohlkörper ausgebildet ist, dessen Mantelfläche eine zweite Laufbahn für die Wälzkörper trägt und der mit dem Rollenkörper durch eine Preßpassung verbunden ist.According to the Task solved by that the Tensioner roller parts themselves an outer ring and an inner ring form, with the outer ring as cup shaped Drawn part is formed, the inside of which has a raceway for the rolling elements and the bottom of which is provided with at least two assembly openings, during the Inner ring is designed as a cylindrical hollow body, the outer surface of which second career for carries the rolling elements and the with the reel body through an interference fit connected is.
Der als tassenförmiges Ziehteil mit einrollierter Laufbahn ausgebildete Außenring läßt sich ebenso wie der als zylindrischer Hohlkörper mit einrollierter Laufbahn ausgebildete Innenring und der rinnenförmig ausgebildete Rollenkörper aufgrund ihrer einfachen Formen problemlos durch einen Ziehprozeß fertigen.The as a cup-shaped Drawn part with rolled-in raceway outer ring let yourself just like that as a cylindrical hollow body with a rolled-in raceway trained inner ring and the groove-shaped roller body due easily manufacture their simple shapes by a drawing process.
In Weiterbildung der Erfindung ist vorgesehen, daß zwischen dem Boden des tassenförmigen Ziehteiles und einer Stirnfläche des zylindrischen Hohlkörpers eine Scheibe angeordnet ist. Diese Scheibe ist für die Montage der erfindungsgemäßen Spannrolle von wesentlicher Bedeutung, da diese mit Hilfe eines durch die Montageöffnungen eingeführten Werkzeuges gegen die Stirnseite des zylindrischen Hohlkörpers gepreßt wird, um die beim Auf pressen des Rollenkörpers auftretenden Kräfte von den Wälzkörpern und ihren Laufbahnen fernzuhalten.In Further development of the invention provides that between the bottom of the cup-shaped drawing part and an end face of the cylindrical hollow body a disc is arranged. This disc is for the assembly of the tension pulley according to the invention essential since this is done using a through the mounting holes imported tool is pressed against the end face of the cylindrical hollow body, in order to press the roller body forces occurring from the rolling elements and to keep their careers away.
Nach einem weiteren Merkmal der Erfindung sollen der Boden des tassenförmigen Ziehteiles und die Scheibe je eine zentrische Befestigungsbohrung aufweisen. Dadurch wird eine unkomplizierte Befestigung beider Teile erreicht.To Another feature of the invention are the bottom of the cup-shaped drawing part and the disc each have a central mounting hole. This makes it easy to attach both parts.
Auch kann es unter bestimmten Gegebenheiten von Vorteil sein, wenn der rinnenförmig ausgestaltete Rollenkörper mit einem verkürzten Schenkel versehen ist. Durch diese Gestaltungsweise wird erreicht, daß der Rollenkörper gemeinsam mit dem zylindrischen Hohlkörper beim Tiefziehen in einem Stück gefertigt werden können.Also it can be advantageous under certain circumstances if the channel-shaped roller body with a shortened Leg is provided. Through this design, it is achieved that the roller body made in one piece together with the cylindrical hollow body during deep drawing can be.
Nach einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß zum Schutz der Lagerung der Spannrolle einerseits zwischen dem tassenförmigen Ziehteil und dem Rollenkörper eine Spaltdichtung oder eine schleifende Dichtung angeordnet ist, während andererseits die nach außen offene Seite des zylindrischen Hohlkörpers durch einen Stopfen verschlossen ist.To a preferred embodiment of the Invention is provided that for Protection of the bearing of the tensioning roller on the one hand between the cup-shaped drawing part and the reel body a gap seal or a sliding seal is arranged, while on the other hand, the outside open side of the cylindrical hollow body closed by a stopper is.
Schließlich ist ein Verfahren zum Herstellen einer derartigen Spannrolle unter Schutz gestellt, nach dem der zylindrische Hohlkörper und der Rollenkörper gemeinsam als ein Tiefziehteil hergestellt sind, wobei beide Teile durch eine Tiefziehstufe voneinander abgegrenzt sind, anschließend die Trennung der Teile an dieser Tiefziehstufe erfolgt und danach in die Mantelfläche des zylindrischen Hohlkörpers eine Laufbahn einrolliert wird. Durch diese Maßnahme lassen sich Rollenkörper und zylindrischer Hohlkörper als ein einziges Tiefziehteil fertigen, was unter bestimmten technischen Gegebenheiten von Vorteil sein kann.Finally is a method for producing such a tension pulley under protection after which the cylindrical hollow body and the roller body together are manufactured as a deep-drawn part, both parts by one Deep-drawing stage are differentiated, then the The parts are separated at this deep-drawing stage and then in the lateral surface of the cylindrical hollow body a career is curled up. With this measure, roller bodies and cylindrical hollow body manufacture as a single deep-drawn part, which under certain technical Circumstances can be advantageous.
Die Erfindung wird an nachstehendem Ausführungsbeispiel näher erläutert. Es zeigen:The Invention is explained in more detail using the following embodiment. It demonstrate:
Bei
dem in
Die
Spannrolle
Das
tassenförmige
Ziehteil
Der
als Innenring dienende zylindrische Hohlkörper
Um
beim Auf pressen des Rollenkörpers
Diese
wird dabei mit Hilfe eines nicht dargestellten Montagewerkzeuges über die
Montageöffnungen
Zum
Schutz der Wälzkörper
Wie
bereits beschrieben, ist auch die gemeinsame Fertigung von zylindrischem
Hohlkörper
- 11
- Zahnriementoothed belt
- 22
- Kurbelwellecrankshaft
- 33
- Zahnriemenradtoothed belt
- 44
- Zahnriemenradtoothed belt
- 55
- Zahnriemenradtoothed belt
- 66
- Nockenwellecamshaft
- 77
- Nockenwellecamshaft
- 88th
- Spannrolleidler
- 99
- Antriebsraddrive wheel
- 1010
- Treibriemenbelts
- 1111
- Antriebsraddrive wheel
- 1212
- Welle eines Zusatzaggregateswave an additional unit
- 1313
- tassenförmiges Ziehteilcup-shaped drawn part
- 1414
- zylindrischer Körpercylindrical body
- 1515
- Rollenkörperroller body
- 1616
- Bodenground
- 1717
- SeitenwandSide wall
- 1818
- Laufbahncareer
- 1919
- Lagerkugelbearing ball
- 2020
- KäfigCage
- 2121
- Befestigungsbohrungmounting hole
- 2222
- Montageöffnungmounting hole
- 2323
- Laufbahncareer
- 2424
- Schenkelleg
- 2525
- Scheibedisc
- 2626
- Befestigungsbohrungmounting hole
- 2727
- Dichtungpoetry
- 2828
- TiefziehstufeThermoforming stage
- 2929
- Anschlußteilconnector
- 3030
- StopfenPlug
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4404193A DE4404193B4 (en) | 1994-02-10 | 1994-02-10 | Tensioner pulley for an aggregate operation of an internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4404193A DE4404193B4 (en) | 1994-02-10 | 1994-02-10 | Tensioner pulley for an aggregate operation of an internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4404193A1 DE4404193A1 (en) | 1995-08-17 |
DE4404193B4 true DE4404193B4 (en) | 2004-10-14 |
Family
ID=6509926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4404193A Expired - Fee Related DE4404193B4 (en) | 1994-02-10 | 1994-02-10 | Tensioner pulley for an aggregate operation of an internal combustion engine |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE4404193B4 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29711143U1 (en) * | 1997-06-26 | 1998-10-29 | Sachsenring Entwicklungsgesellschaft mbH, 08058 Zwickau | Bearing, especially for a jig |
DE102006002966A1 (en) * | 2006-01-21 | 2007-07-26 | Schaeffler Kg | Running disk with integrated rolling element raceway |
DE102008019808A1 (en) | 2008-04-19 | 2009-10-22 | Schaeffler Kg | Profileless running surface of a pulley |
DE102013209201A1 (en) * | 2013-05-17 | 2014-11-20 | Schaeffler Technologies Gmbh & Co. Kg | Deep groove ball bearings and roller with such a deep groove ball bearing |
DE102013223683A1 (en) | 2013-11-20 | 2015-05-21 | Schaeffler Technologies AG & Co. KG | Zugmittelspannrolle with rolling bearing comprising career-forming Blechumformteilen |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1353874A (en) * | 1919-10-20 | 1920-09-28 | Peter C Wego | Bearing for conveyer-rollers |
DE690802C (en) * | 1936-03-03 | 1940-05-08 | Franz Knoebel Jun | Process for the production of ball turning rings |
CH297935A (en) * | 1950-11-30 | 1954-04-15 | Ver Kugellagerfabriken Aktieng | Tension pulley. |
DE1993295U (en) * | 1968-06-05 | 1968-09-05 | Curt Matthaei Maschinen Und Me | RE-GREASABLE BEARING FOR CONVEYOR SYSTEMS. |
DE2153597A1 (en) * | 1970-10-27 | 1972-05-04 | Riv Officine Di Villar Perosa | Process for the production of rolling bearings |
DE2203681A1 (en) * | 1971-02-05 | 1972-08-24 | Skf Ind Trading & Dev | Rolling bearing unit for the overhung drum of a washing machine, centrifuge or the like |
US3833278A (en) * | 1973-05-21 | 1974-09-03 | Gen Motors Corp | Anti-friction bearing idler assembly |
FR2233885A6 (en) * | 1973-05-16 | 1975-01-10 | Roulements Soc Nouvelle | |
FR2262222A1 (en) * | 1974-02-21 | 1975-09-19 | Lewin Gunner | |
GB1423871A (en) * | 1972-08-05 | 1976-02-04 | Skf Ind Trading & Dev | Rolling bearings |
DE2531699A1 (en) * | 1975-07-16 | 1977-02-03 | Schaeffler Ohg Industriewerk | Internal and external races for radial ball bearings - are produced by axially forging sheet metal blanks to work harden bearing surface |
DE4228720A1 (en) * | 1992-08-28 | 1994-03-03 | Schaeffler Waelzlager Kg | Support rail for linear guide system - has track rails made from longitudinally bent sheet metal strips supporting roller tracks. |
-
1994
- 1994-02-10 DE DE4404193A patent/DE4404193B4/en not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1353874A (en) * | 1919-10-20 | 1920-09-28 | Peter C Wego | Bearing for conveyer-rollers |
DE690802C (en) * | 1936-03-03 | 1940-05-08 | Franz Knoebel Jun | Process for the production of ball turning rings |
CH297935A (en) * | 1950-11-30 | 1954-04-15 | Ver Kugellagerfabriken Aktieng | Tension pulley. |
DE1993295U (en) * | 1968-06-05 | 1968-09-05 | Curt Matthaei Maschinen Und Me | RE-GREASABLE BEARING FOR CONVEYOR SYSTEMS. |
DE2153597A1 (en) * | 1970-10-27 | 1972-05-04 | Riv Officine Di Villar Perosa | Process for the production of rolling bearings |
DE2203681A1 (en) * | 1971-02-05 | 1972-08-24 | Skf Ind Trading & Dev | Rolling bearing unit for the overhung drum of a washing machine, centrifuge or the like |
GB1423871A (en) * | 1972-08-05 | 1976-02-04 | Skf Ind Trading & Dev | Rolling bearings |
FR2233885A6 (en) * | 1973-05-16 | 1975-01-10 | Roulements Soc Nouvelle | |
US3833278A (en) * | 1973-05-21 | 1974-09-03 | Gen Motors Corp | Anti-friction bearing idler assembly |
FR2262222A1 (en) * | 1974-02-21 | 1975-09-19 | Lewin Gunner | |
DE2531699A1 (en) * | 1975-07-16 | 1977-02-03 | Schaeffler Ohg Industriewerk | Internal and external races for radial ball bearings - are produced by axially forging sheet metal blanks to work harden bearing surface |
DE4228720A1 (en) * | 1992-08-28 | 1994-03-03 | Schaeffler Waelzlager Kg | Support rail for linear guide system - has track rails made from longitudinally bent sheet metal strips supporting roller tracks. |
Also Published As
Publication number | Publication date |
---|---|
DE4404193A1 (en) | 1995-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: INA WAELZLAGER SCHAEFFLER OHG, 91074 HERZOGENAURAC |
|
8110 | Request for examination paragraph 44 | ||
8127 | New person/name/address of the applicant |
Owner name: INA-SCHAEFFLER KG, 91074 HERZOGENAURACH, DE |
|
8120 | Willingness to grant licences paragraph 23 | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SCHAEFFLER KG, 91074 HERZOGENAURACH, DE |
|
8339 | Ceased/non-payment of the annual fee |