WO2004054857A1 - Lagerteil für einen wischerarm - Google Patents
Lagerteil für einen wischerarm Download PDFInfo
- Publication number
- WO2004054857A1 WO2004054857A1 PCT/EP2003/014239 EP0314239W WO2004054857A1 WO 2004054857 A1 WO2004054857 A1 WO 2004054857A1 EP 0314239 W EP0314239 W EP 0314239W WO 2004054857 A1 WO2004054857 A1 WO 2004054857A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- bearing part
- bush
- part according
- sleeve
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/043—Attachment of the wiper assembly to the vehicle
- B60S1/0436—Attachement of separate wiper shaft holders to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/0413—Modular wiper assembly
- B60S1/0422—Modular wiper assembly having a separate transverse element
- B60S1/0427—Modular wiper assembly having a separate transverse element characterised by the attachment of the wiper motor holder to the transverse element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
- B60S1/34—Wiper arms; Mountings therefor
Definitions
- the invention relates to a bearing part for a wiper arm of a wiper system in one
- Such a bearing part typically has a bearing bush and one or more fastening eyes for fastening in the vehicle.
- Bearing parts made of plastic are known in which the bearing bush is injection-molded in one piece with the supporting part from the same plastic. If there are increased demands on the bearing material, sintered metal bearing bushes are pressed into the plastic support. Bearing parts are also known in which a decoupling element is molded onto the support part and the bearing of the wiper shaft is mounted directly in the plastic of the support part.
- the plastics suitable as a carrier material do not always have optimal storage properties.
- the invention provides a bearing part for a wiper arm, which combines good mechanical properties with regard to the support part with good bearing properties and can nevertheless be produced efficiently and inexpensively.
- the bearing part according to the invention has a bearing bush and at least one mounting eye, which are molded in one piece from plastic.
- the bearing bush has an inner bearing sleeve formed from a bearing material and an outer support bush surrounding the bearing sleeve and formed from the carrier material of the bearing part and is produced with a base body of the bearing part using multi-component injection molding technology. In this way, a plastic with good mechanical properties can be used as the carrier material of the bearing part and a plastic with good ones for the bearing sleeve
- the bearing part is axially continuous in the form of an elongated sleeve, so that the bearing shaft of the wiper arm is guided over its entire length and the bearing forces are distributed over a large area.
- At least the inside of the bearing sleeve is designed as a multi-flat, in particular with 17 surfaces, at the bearing point or at the bearing points. This avoids the occurrence of ovality, and it guarantees the concentricity and, as a result, the most uniform possible support or support of the shaft.
- a well-suited bearing material is partially aromatic polyamide, especially with carbon fibers embedded therein, and a well-suited one
- the carrier material is partially aromatic polyamide in combination with embedded glass fibers.
- annular damping part is molded into the passage opening of the fastening eye in a multi-component injection molding technique, preferably from an elastomer.
- the bearing part is then manufactured inexpensively using three-component injection molding technology.
- Figure 2 shows the bearing part in section along line II-II in Fig. 1.
- the bearing part for a wiper arm shown in FIGS. 1 to 3 is a plastic part produced in three-component injection molding technology. It consists of a support part, designated 10, which has a generally triangular base body 12 and a connecting pin 14 projecting from a corner of the base body. A generally cylindrical bearing bush 16 is arranged at this corner of the base body 12. On The two other corners of the base body 12 each have a fastening eye 18, 20 for fastening the bearing part 10 to the vehicle.
- the bearing bush 16 has an inner, elongated bearing bush 22, which consists of a bearing material, and an outer support bush 24 surrounding the bearing bush 22, which consists of the carrier material of the base body and of the connecting pin 14.
- At least the inside of the bearing sleeve is designed as a multiple surface, in particular with 17 surfaces, on the bearing point or on the bearing points of the wiper shaft. This ensures that the shaft is supported and supported as evenly as possible, and thus its concentricity.
- the fastening eyes 18, 20 are each equipped with an annular damping element 26 and 28, respectively.
- These damping elements 26, 28 consist of an elastomer material, each of which positively lines a through opening of the base body 12, so that the damping elements 26, 28 are held captively in the base body 12.
- Partially aromatic polyamide with glass fibers embedded therein is currently preferred as the carrier material; a suitable storage material, especially in combination with the above
- Carrier material is partially aromatic polyamide with embedded carbon fibers.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003294853A AU2003294853A1 (en) | 2002-12-17 | 2003-12-15 | Bearing part for a wiper arm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10259303.5 | 2002-12-17 | ||
DE2002159303 DE10259303A1 (de) | 2002-12-17 | 2002-12-17 | Lagerteil für einen Wischerarm |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004054857A1 true WO2004054857A1 (de) | 2004-07-01 |
Family
ID=32519081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/014239 WO2004054857A1 (de) | 2002-12-17 | 2003-12-15 | Lagerteil für einen wischerarm |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003294853A1 (de) |
DE (1) | DE10259303A1 (de) |
WO (1) | WO2004054857A1 (de) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994005533A1 (de) * | 1992-09-04 | 1994-03-17 | Itt Automotive Europe Gmbh | Verfahren zum fixieren einer welle in deren lagergehäuse bei wischeranlagen, sowie wischeranlage, insbesondere zur scheibenreinigung eines kraftfahrzeugs |
US5416154A (en) * | 1991-12-24 | 1995-05-16 | T&N Technology Limited | Bearing material |
EP0771958A1 (de) * | 1995-10-30 | 1997-05-07 | Valeo Systemes D'essuyage | Axial-komprimierbares Lager für einen Scheibenwischermechanismus |
US5866647A (en) * | 1994-04-15 | 1999-02-02 | Dana Corporation | Polymeric based composite bearing |
US5960512A (en) * | 1994-12-23 | 1999-10-05 | Itt Manufacturing Enterprises Inc. | Windshield wiper assembly with a noise and vibration-damping fastener |
WO2002006097A1 (de) * | 2000-07-13 | 2002-01-24 | Robert Bosch Gmbh | Wischanlage |
US6377770B1 (en) * | 1996-07-09 | 2002-04-23 | Ntn Corporation | Sliding member sliding bearing unit and developing apparatus |
US6412224B1 (en) * | 1997-08-01 | 2002-07-02 | Geze Gmbh & Co. | Door drive system |
WO2003047930A1 (de) * | 2001-11-27 | 2003-06-12 | Robert Bosch Gmbh | Scheibenwischvorrichtung, insbesondere für ein kraftfahrzeug und verfahren zur herstellung einer solchen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4229496C1 (de) * | 1992-09-04 | 1993-09-30 | Swf Auto Electric Gmbh | Verfahren zum axialen Fixieren einer Welle in deren Lagergehäuse bei Wischeranlagen, sowie Wischeranlage, insbesondere zur Scheibenreinigung des Kraftfahrzeugs |
DE19546909A1 (de) * | 1995-12-15 | 1997-06-19 | Teves Gmbh Alfred | Scheibenwischeranlage, insbesondere für Kraftfahrzeuge |
DE19546906A1 (de) * | 1995-12-15 | 1997-06-19 | Teves Gmbh Alfred | Wischerlager für eine Scheibenwischvorrichtung, insbesondere eines Kraftfahrzeuges |
DE19642666A1 (de) * | 1996-03-26 | 1997-10-02 | Bosch Gmbh Robert | Lagerung von Antriebswellen einer Wischeranlage |
-
2002
- 2002-12-17 DE DE2002159303 patent/DE10259303A1/de not_active Withdrawn
-
2003
- 2003-12-15 WO PCT/EP2003/014239 patent/WO2004054857A1/de not_active Application Discontinuation
- 2003-12-15 AU AU2003294853A patent/AU2003294853A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416154A (en) * | 1991-12-24 | 1995-05-16 | T&N Technology Limited | Bearing material |
WO1994005533A1 (de) * | 1992-09-04 | 1994-03-17 | Itt Automotive Europe Gmbh | Verfahren zum fixieren einer welle in deren lagergehäuse bei wischeranlagen, sowie wischeranlage, insbesondere zur scheibenreinigung eines kraftfahrzeugs |
US5866647A (en) * | 1994-04-15 | 1999-02-02 | Dana Corporation | Polymeric based composite bearing |
US5960512A (en) * | 1994-12-23 | 1999-10-05 | Itt Manufacturing Enterprises Inc. | Windshield wiper assembly with a noise and vibration-damping fastener |
EP0771958A1 (de) * | 1995-10-30 | 1997-05-07 | Valeo Systemes D'essuyage | Axial-komprimierbares Lager für einen Scheibenwischermechanismus |
US6377770B1 (en) * | 1996-07-09 | 2002-04-23 | Ntn Corporation | Sliding member sliding bearing unit and developing apparatus |
US6412224B1 (en) * | 1997-08-01 | 2002-07-02 | Geze Gmbh & Co. | Door drive system |
WO2002006097A1 (de) * | 2000-07-13 | 2002-01-24 | Robert Bosch Gmbh | Wischanlage |
WO2003047930A1 (de) * | 2001-11-27 | 2003-06-12 | Robert Bosch Gmbh | Scheibenwischvorrichtung, insbesondere für ein kraftfahrzeug und verfahren zur herstellung einer solchen |
Also Published As
Publication number | Publication date |
---|---|
DE10259303A1 (de) | 2004-08-26 |
AU2003294853A1 (en) | 2004-07-09 |
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