DE2709893A1 - Snap fastener for mounting windscreen wiper blade - has moulded plastics hinged clip at end of arm to provide self lubricating bearing - Google Patents

Snap fastener for mounting windscreen wiper blade - has moulded plastics hinged clip at end of arm to provide self lubricating bearing

Info

Publication number
DE2709893A1
DE2709893A1 DE19772709893 DE2709893A DE2709893A1 DE 2709893 A1 DE2709893 A1 DE 2709893A1 DE 19772709893 DE19772709893 DE 19772709893 DE 2709893 A DE2709893 A DE 2709893A DE 2709893 A1 DE2709893 A1 DE 2709893A1
Authority
DE
Germany
Prior art keywords
wiper arm
intermediate joint
wiper blade
joint piece
arm
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.)
Granted
Application number
DE19772709893
Other languages
German (de)
Other versions
DE2709893C3 (en
DE2709893B2 (en
Inventor
Josef Berger
Egon Frey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Priority to DE19772709893 priority Critical patent/DE2709893C3/en
Publication of DE2709893A1 publication Critical patent/DE2709893A1/en
Publication of DE2709893B2 publication Critical patent/DE2709893B2/en
Application granted granted Critical
Publication of DE2709893C3 publication Critical patent/DE2709893C3/en
Expired legal-status Critical Current

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
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end
    • B60S1/4009—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end
    • B60S1/4016—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end the element being provided with retention means co-operating with the hook-shaped end of the arm
    • B60S1/4019—Connections between blades and arms for arms provided with a hook-shaped end comprising a detachable intermediate element mounted on the hook-shaped end the element being provided with retention means co-operating with the hook-shaped end of the arm the retention means being protrusions or holes
    • 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
    • B60S1/40—Connections between blades and arms
    • B60S1/4006—Connections between blades and arms for arms provided with a hook-shaped end

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The bearing for the end of the wiper arm has a plastic moulding (7) folded into a U shape and clipped into the U-shaped end of the wiper arm (11). The moulding encloses the bearing hole (3) into which the pivot of the wiper blade assembly is pushed. The moulding is made from self lubricating plastic. It forms a clean and dust free bearing. The two arms of the moulding are joined by a thin middle section and the moulding is located into the wiper arm by moulded ratchet teeth (6).

Description

Die Erfindung betrifft ein als zweischenklige Rastfeder aus-The invention relates to a detent spring designed as a two-legged

gebildetes Gelenkzwischenstück für Scheibenwischer, das durch Aufspreizen auf die Lagerbuchse des Wischblattes aufgeschoben wird und dessen aufgestellte Ränder der seitlichen Anlage eines hakenförmigen, das Gelenkzwischenstück umgreifenden Wischerarmendes dienen.formed intermediate joint piece for windshield wipers, which is opened by spreading is pushed onto the bearing bushing of the wiper blade and its raised edges the lateral contact of a hook-shaped, encompassing the intermediate joint piece Serve wiper arm.

in derartiges Gelenkzwischenstiick ist der DT-PS 16 55 086 zu entnehmen. Bei der angesprochenen Ausführungsform ist nachteilig, daß zum einen der Montage- und Demontagevorgang nicht problemlos ist und daß zum anderen bei montierter Gelenkverbindung die Lagerbuchse teilweise freiliegt, so daß Schmutz Zutritt zur Lagerstelle hat. der das Wischverhalten nachteilig beeinflussen kann.DT-PS 16 55 086 shows such an intermediate joint. In the addressed embodiment is disadvantageous that on the one hand the assembly and the dismantling process is not problem-free and that on the other hand with the articulated connection mounted the bearing bush is partially exposed, so that dirt has access to the bearing point. which can adversely affect the wiping behavior.

Es ist Aufgabe der Erfindung,mit geringem Aufwand die Gelenkverbindung so umzugestalten, daß die Montagefreundlichkeit und die Betriebssicherheit entscheidend verbessert wird.It is the object of the invention to provide the articulated connection with little effort to be redesigned in such a way that ease of installation and operational safety are decisive is improved.

Deshalb wird ein als zweischenklige Rastfeder ausgebildetes Gelenkzwischenstück vorgeschlagen, das durch Aufspreizen auf die Lagerbuchse des Wischblattes aufgeschoben wird und dessen aufgestellte Ränder der seitlichen Anlage eines hakenförmigen, das Gelenkzwischenstück umgreifenden Wischerar.-endes dienen, wobei erfindungsgemäß das Gelenkzwischenstück etwa in Richtung seiner Schenkel bis zu den aufgestellten Rändern geteilt und dort über je ein Filoscharnier verbunden ist, und wobei bei aufgeschobenem Wischerarmenden die Trennflächen unter vollständigem Einschluß der Lagerbuchse aufeinander liegen.Therefore, an intermediate joint piece designed as a two-legged detent spring is used proposed that pushed it onto the bearing bush of the wiper blade by spreading it is and its erected edges of the lateral system of a hook-shaped, the Joint intermediate piece encompassing Wischerar.-endes serve, wherein according to the invention the intermediate joint piece approximately in the direction of its legs up to the erected Edges divided and connected there via a filo hinge each, and with Slid-on wiper arm ends the parting surfaces with complete inclusion of the The bearing bushes lie on top of one another.

Eine Sicherung des Gelenkzwischenstückes gegen Verlieren im auf die Lagerbuchse aufgesteckten Zustand kann erreicht werden, wenn beim Aufeinandertreffen der Trennflächen die beiden hälften des Gelenkzwischenstückes durch eine Rastverbindung lösbar miteinander gekuppelt werden.A backup of the intermediate joint piece against loss in the The plugged-on position of the bearing bush can be achieved if at The two halves of the intermediate joint piece meet the parting surfaces be releasably coupled to one another by a locking connection.

Die Seitenfiihrung kann dadurch verbessert werden, daß die aufgestellten Ränder mindestens bis zur Oberkante des aufgeschobenen Wischerarmendes reichen und jeweils, lediglich von der durchgeführten Lagerbuchse unterbrochen, zu einer ebenen Anlauffläche ergänzt sind.The lateral guidance can be improved by the fact that the erected The edges extend at least to the upper edge of the pushed-on wiper arm end and each, only interrupted by the bushing carried out, to a plane Run-up area are supplemented.

Bei einem bevorzugten Ausführungsbeispiel der Erfindung besteht das Gelenkzwischenstück aus einem vorzugsweise selbstschmierenden Kunststoff.In a preferred embodiment of the invention that consists Joint adapter made of a preferably self-lubricating plastic.

Der Gegenstand der Erfindung soll nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert terden In der Zeichnung zeigen Fig. 1 eine perspektivische Ansicht des Verbindungsbereiches von Wischerarm und Wischerblatt, Fig. 2 einen Längsschnitt des eng begrenzten Verbindungsbereiches, gesehen in Richtung des Pfeiles A in Fig. 1, Fig. 3 ein Gelenkzwischenstück in aufgespreiztem Zustand, Fig. 4 eine Ausführungsvariante der lösbaren Rastverbindung zwischen beiden hälften des Gelenkzwischenstückes und Fig. 5 ein weiteres Ausfiihrungsbeispiel einer Rastverbindung.The subject matter of the invention will be based on one in the The embodiment illustrated in the drawing is explained in more detail in the drawing 1 shows a perspective view of the connection area of the wiper arm and wiper blade, FIG. 2 shows a longitudinal section of the narrowly delimited connection area, seen in the direction of arrow A in Fig. 1, Fig. 3, a joint intermediate piece in spread State, Fig. 4 shows a variant of the detachable locking connection between the two halves of the joint adapter and 5 shows a further exemplary embodiment a locking connection.

Unter Zwischenschaltung eines zweischenkligen, z. n. aus Kunststoff mit selbstschmierenden Eigenschaften bestehenden Gelenkzwischenstijckes 1, das als Rastfeder ausgebildet ist, wird eine lösbare Verbindung zwischen einem hakenförmigen Wischerarmende 2 und einer Lagerbuchse 3 eines Wischblattes 4 geschaffen. Wie insbesondere die Fig. 2 zeigt, umschließt das montierte Gelenkzwischenstiick 1 die Lagerbuchse 3 vollständig und ein Fenster 5 im untenliegenden Teil des um das Gelenkzwischenstück 1 herumgefiihrten Wischerarmendes 2 nimmt eine Itastnnse 6 des Gelenkzwischenstjjckes 1 auf.With the interposition of a two-legged, z. n. made of plastic with self-lubricating properties existing joint intermediate pieces 1, which as Detent spring is formed, a releasable connection between a hook-shaped Wiper arm end 2 and a bearing bush 3 of a wiper blade 4 created. How in particular 2 shows, the mounted intermediate joint piece 1 encloses the bearing bush 3 completely and a window 5 in the lower part of the around the joint intermediate piece 1, the wiper arm end 2, which is guided around, takes a nose 6 of the intermediate joint piece 1 on.

Das in Fig. 3 im aufgeklappten Zustand dargestellte Gelenkzwischenstiick 1, das etwa in Richtung seiner Schenkel 7 und 8 bis zu den aufgestellten andern 9 geteilt ist, wird durch je ein randseitiges ilmscharnier 10 zusammengehalten.The intermediate joint piece shown in FIG. 3 in the unfolded state 1, which is roughly in the direction of its legs 7 and 8 up to the other 9 is divided, is held together by an edge hinge 10 each.

Die ilöhe der Rinder 9 entspricht dabei mindestens der Stärke des Wischerarmendes 2 und reicht somit bis zu seiner Oberkante 11 hoch. Weiterhin sind die Ränder 9, lediglich von der durchgefiihrten Lagerbuchse 3 unterbrochen, zu einer ebenen Anlauffläche 12 ergänzt, die wesentlich zur exakten Fjihrung des Wischblattes 4 beiträgt.The height of the cattle 9 corresponds at least to the strength of the Wiper arm end 2 and thus extends up to its upper edge 11. Furthermore are the edges 9, only interrupted by the bushing 3 passed through, into one flat contact surface 12, which is essential for the exact guidance of the wiper blade 4 contributes.

Damit das in aufgeklapptem Zustand nach Fig. 3 auf die Lagerbuchse 3 aufgeschobene Gelenkzwischenstück 1 nicht verlorengehen kann, ist eine Rastverbindung 13 vorgesehen, die - wie besonders die Fig. 2 4 und 5 zeigen - beim Aufeinandertreffen der Trennflächen 14 der beiden hälften des Gclenkzwischenstjickes 1 untereinander in Eingriff gebracht werden.So that in the unfolded state according to FIG. 3 on the bearing bush 3 pushed-on intermediate joint piece 1 cannot be lost, is a latching connection 13 are provided, which - as particularly FIGS. 2, 4 and 5 show - when they meet of the separating surfaces 14 of the two halves of the Gclenk Zwischenstjickes 1 with each other be engaged.

Die Rastverbindung 13 kann dabei nach Fig. 1L als Kugel 15 ausgebildet sein, die in eine zugeordnete Aussparung 16 durch Druckeinwirkung einläuft. Es kann jedoch aber auch eine federnd ausgebildete, wieder lösbare Hakenverbindung 17 nach Fig. 5 vorgesehen werden.The latching connection 13 can be designed as a ball 15 according to FIG. 1L be, which runs into an associated recess 16 by the action of pressure. It can but also a resilient, releasable hook connection 17 according to Fig. 5 can be provided.

Claims (1)

"Gelenkzwischenstiick fiir Scheibenwischer" Ansprüche 1. Als zweischenklige Rastfeder ausgebildetes Gelenlczwischenstuck für Scheibenwischer, das durch Aufspreizen auf die Lagerbuchse des Wischblattes aufgeschoben wird und dessen aufgestellte Ränder der seitlichen Anlage eines hakenförmigen, das Gelenkzwischenstück umgreifenden Wischerarmendes dienen, dadurch gekennzeichnet daß das Gelenkzwischenstiick (i) etwa in Richtung seiner Schenkel (7,8) bis zu den aufgestellten Rändern (9) geteilt und dort iiber je ein Filmscharnier (io) miteinander verbunden ist, und daß bei aufgeschobenem Wischerarmende (2) die Trennflächen ( 14) unter vollständigem Einschluß der Lagerbuchse (3) aufeinander liegen 2. Gelonkzwischenstück nach Anspruch 1, dadurch gekennzeichnet, daß bei. Aufeinandertreffen der Trennflächen (i4) die beiden llalften des Gelenkzwischenstückes (1) durch eine Rastverbindung (13) lösbar miteinander gekuppelt werden."Intermediate joint for windshield wipers" claims 1. As two-legged Snap-in spring formed gel adapter for windshield wipers, which is opened by spreading is pushed onto the bearing bushing of the wiper blade and its raised edges the lateral contact of a hook-shaped, encompassing the intermediate joint piece Wiper arm end, characterized in that the intermediate joint piece (i) divided approximately in the direction of its legs (7,8) up to the raised edges (9) and there is connected to each other via a film hinge (io), and that at With the wiper arm end (2) pushed on, the separating surfaces (14) are completely enclosed the bearing bush (3) lie on top of one another. 2. Gelonk adapter according to claim 1, characterized in that marked that at. When the separating surfaces (i4) meet, the two 11ths of the intermediate joint piece (1) releasably to one another by means of a latching connection (13) be coupled. 3. Gelenkzwischenstück nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß die aufgestellten Ränder (9) mindestens bis zur Oberkante (11) des aufgeschobenen Wischerarmendes (2) reichen und jeweils, lediglich von der durchgeführten Lagerbuchse (3) unterbrochen, zu einer ebenen Anlauffläche (12) ergänzt sind.3. Joint intermediate piece according to claims 1 and 2, characterized in that that the raised edges (9) at least up to the upper edge (11) of the postponed Wiper arm end (2) reach and each, only from the bushing carried out (3) interrupted, added to a flat contact surface (12). 4. Gelenkzwischenstück nach einem oder mehreren der vorangegangenen Ansprüche, dadurch gekennzeichnet, daß das Gelenkzwischenstiick (i) aus einem vorzugsweise selbstschmierenden Kunststoff besteht.4. Joint adapter according to one or more of the preceding Claims, characterized in that the intermediate joint piece (i) preferably consists of a consists of self-lubricating plastic.
DE19772709893 1977-03-08 1977-03-08 Joint adapter for windshield wipers in vehicles Expired DE2709893C3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772709893 DE2709893C3 (en) 1977-03-08 1977-03-08 Joint adapter for windshield wipers in vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772709893 DE2709893C3 (en) 1977-03-08 1977-03-08 Joint adapter for windshield wipers in vehicles

Publications (3)

Publication Number Publication Date
DE2709893A1 true DE2709893A1 (en) 1978-09-14
DE2709893B2 DE2709893B2 (en) 1981-04-02
DE2709893C3 DE2709893C3 (en) 1981-11-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772709893 Expired DE2709893C3 (en) 1977-03-08 1977-03-08 Joint adapter for windshield wipers in vehicles

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DE (1) DE2709893C3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141186A2 (en) * 1983-09-13 1985-05-15 Equipements Automobiles Brevetés PAUL JOURNEE S.A. Windshield wiper mounting
DE3439523A1 (en) * 1984-10-29 1986-05-07 Daimler-Benz Ag, 7000 Stuttgart WIPER FOR VEHICLES
US4967438A (en) * 1988-08-22 1990-11-06 Nippon Wiperblade Co., Ltd. Connecting member in windshied wiper
US7587782B2 (en) 2002-08-19 2009-09-15 Nippon Wiper Blade Co., Ltd. Joint member for wiper blade and wiper blade
WO2018040129A1 (en) * 2016-08-31 2018-03-08 谭壮 Windshield wiper and automobile comprising same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608605C3 (en) * 1976-03-02 1978-10-05 Robert Bosch Gmbh, 7000 Stuttgart Wiper device for windows of motor vehicles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608605C3 (en) * 1976-03-02 1978-10-05 Robert Bosch Gmbh, 7000 Stuttgart Wiper device for windows of motor vehicles

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141186A2 (en) * 1983-09-13 1985-05-15 Equipements Automobiles Brevetés PAUL JOURNEE S.A. Windshield wiper mounting
EP0141186A3 (en) * 1983-09-13 1986-02-12 Equipements Automobiles Brevetes Paul Journee S.A. Windshield wiper mounting
DE3439523A1 (en) * 1984-10-29 1986-05-07 Daimler-Benz Ag, 7000 Stuttgart WIPER FOR VEHICLES
US4670934A (en) * 1984-10-29 1987-06-09 Daimler-Benz Aktiengesellschaft Windshield wiper
US4967438A (en) * 1988-08-22 1990-11-06 Nippon Wiperblade Co., Ltd. Connecting member in windshied wiper
US7587782B2 (en) 2002-08-19 2009-09-15 Nippon Wiper Blade Co., Ltd. Joint member for wiper blade and wiper blade
WO2018040129A1 (en) * 2016-08-31 2018-03-08 谭壮 Windshield wiper and automobile comprising same

Also Published As

Publication number Publication date
DE2709893C3 (en) 1981-11-19
DE2709893B2 (en) 1981-04-02

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