WO2015169340A1 - Bras d'essuie-glace de pare-brise - Google Patents

Bras d'essuie-glace de pare-brise Download PDF

Info

Publication number
WO2015169340A1
WO2015169340A1 PCT/EP2014/059172 EP2014059172W WO2015169340A1 WO 2015169340 A1 WO2015169340 A1 WO 2015169340A1 EP 2014059172 W EP2014059172 W EP 2014059172W WO 2015169340 A1 WO2015169340 A1 WO 2015169340A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm member
windscreen
reversal position
arm
wiped
Prior art date
Application number
PCT/EP2014/059172
Other languages
English (en)
Inventor
Clément FLORENTIN
Original Assignee
Federal-Mogul S.A.
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 Federal-Mogul S.A. filed Critical Federal-Mogul S.A.
Priority to PCT/EP2014/059172 priority Critical patent/WO2015169340A1/fr
Publication of WO2015169340A1 publication Critical patent/WO2015169340A1/fr

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
    • B60S1/34—Wiper arms; Mountings therefor
    • B60S1/3422—Means arranged in the wiper structure to lift the arm at extremes of wipe

Definitions

  • the present invention relates to a windscreen wiper arm, particularly for automobiles, comprising a mounting head mountable on a drive shaft and an oscillating arm member pivotally connected to the mounting head by means of a pivot pin, wherein the arm member can oscillate to-and-from between a first reversal position and a second reversal position, and wherein said arm member is arranged to be connected to a elongated wiper blade to be placed in abutment with said windscreen to be wiped.
  • said first reversal position may be identified as a position, wherein the arm member extends parallel to a windscreen to be wiped and is located near a lower edge of said windscreen to be wiped .
  • said second reversal position may be formulated as a position, wherein the arm member extends also parallel to a windscreen to be wiped and is located in a central region or near a side edge of said windscreen to be wiped.
  • the present invention also relates to a vehicle equipped with such a windscreen wiper arm, as well as to a method for manufacturing a windscreen wiper arm.
  • Such a windscreen wiper arm is generally known .
  • the arm member is pivotally connected to the mounting head by means of a pivot pin, for example in the form of a rivet.
  • a spring is hooked with its first end on the mounting head and with its second end on to the arm member in order to ensure that the arm member and thus the wiper blade connected thereto is pressed onto a windscreen to be wiped.
  • the shaft rotates alternately in a clockwise and in a counter- clockwise sense carrying the mounting head into rotation also, which in turn draws the arm member into rotation and by means of a connecting device moves the wiper blade .
  • a disadvantage of the known windscreen wiper arm is the following. In use said known windscreen wiper arm is
  • a windscreen wiper arm mentioned in the preamble is characterized in that said windscreen wiper a m is provided with a guide for guiding said arm member during its oscillatory motion and in said first reversal position and said second reversal position in a direction away from said windscreen to be wiped in order to reduce reversal noise .
  • said windscreen wiper arm in use of said windscreen wiper arm, the pressure exerted thereby on a wiper blade connected thereto is reduced when said
  • windscreen wiper arm is located in said first or second reversal position . Consequently, at these first and second positions a wiping lip of said wiper blade is lifted in upward direction relative to a windscreen to be wiped resulting in less noise .
  • the noise caused by the wiping lip being swung over at each turning point of its oscillatory movement is then minimal .
  • the present arm member is preferably made of metal .
  • said arm member is preferably made of a plastic material .
  • the present arm member in use thereof is connected to a windscreen wiper device of the "flat blade” type .
  • said windscreen wiper device comprises an elastic, elongated carrier element, as well as an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes at least one longitudinal groove, in which groove a longitudinal strip of the carrier element is disposed, which windscreen wiper device comprises a connecting device
  • said guiding means are arranged to hinge said arm member in said first reversal position and said second reversal position relative to said mounting head around said pivot pin in a direction away from said windscreen to be wiped.
  • said arm member is allowed to be guided at a distance varying between 0 mm and 100 mm from said windscreen to be wiped, seen at a location of connection with said wiper blade .
  • a windscreen wiper arm in accordance with the present invention wherein said guide comprises a guiding rod, wherein said guiding rod near a first end thereof is connected to said arm member, wherein said guiding rod near a second end thereof is arranged to cooperate with a guiding profile provided near said mount ng head and on a vehicle involved.
  • Said guiding profile functions as a jack handle .
  • said guiding rod near said second end thereof is arranged to slide along said guiding profile between a first notch thereof corresponding to said arm member being in said first reversal position and a second notch thereof corresponding to said arm member being in said second reversal position .
  • said arm member is allowed to be pushed by said notches in a direction away from said mounting head.
  • Said notches function as "bumps" .
  • the present invention also refers to a vehicle provided with a windscreen wiper arm and a guiding profile in accordance with the present invention .
  • said guiding profile is formed by a collar arranged around on said drive shaft on which said mounting head is mounted, wherein said collar is provided with said notches being spaced apart forming a guidance in between for said arm member .
  • the present invention also refers to a method for manufacturing a windscreen wiper arm according to the present invention, wherein said windscreen wiper arm is provided with a guide for guiding said arm member during its oscillatory motion and in said first reversal position and said second reversal position in a direction away from said windscreen to be wiped .
  • figure 1 is a schematic bottom view of a preferred embodiment of a windscreen wiper a m according to the invention (with a windscreen wiper blade) , as well as a schematic side view thereof (without a windscreen wiper blade) ;
  • figure 2 shows a schematic side view of the windscreen wiper arm of figure 1, as well a detail of figure 1 seen from below;
  • fig re 3 is a schematic top view of the windscreen wiper arm of figure 1 mounted on a vehicle, together with a detail thereof;
  • FIG. 4 is a schematic perspective view of the the
  • figure 5 is a schematic perspective view of a detail of figure 1 in another preferred embodiment.
  • FIG. 1 shows a preferred variant of a windscreen wiper arm 1 according to the invention.
  • the windscreen wiper arm 1 according to the invention comprises a mounting head 2 which can be fixed for rotation to a shaft 3 driven, via a mechanism not illustrated, by a small motor.
  • Said windscreen wiper arm 1 further comprises an arm member 4 supported by the mounting head 2, wherein said arm member 4 in turn supports a schematically depicted wiper blade 5 with the help of a connecting device (not shown) .
  • the arm member 4 is pivotaily connected to the mounting head 2 by means of a pivot pin 6, for example in the form of a rivet.
  • a spring (not shown) is hooked with its first end on the mounting head 2 and with its second end on to the arm member 4 in order to ensure that the arm member 4 and thus the wiper blade connected thereto is pressed onto a windscreen to be wiped.
  • the shaft 3 rotates
  • Said mounting head 2 and/or said arm member 4 could be made of a plastic, metal or composite material .
  • the arm membe 4 has a substantially U- shaped cross-section near said pivot pin 6 comprising two side walls 7,8, wherein said side walls 7,8 extend between part of the mounting head 2 and beyond said pivot pin 6. Said part of the mounting head 2 is provided with opposite surfaces 9,10.
  • the arm member 4 is pivotally connected to the mounting head 2 by means of the pivot pin 6, wherein the arm member 4 can be pivoted between a wiping position (or "working
  • said windscreen wiper arm 1 is provided with a guide in the form of a guiding rod 11 arranged to hinge said arm member 4 during its
  • said guiding rod 11 near a first end thereof (at an end stop 13) is connected to said arm member 4. Near a second end thereof said guiding rod 11 is arranged to cooperate with a guiding profile provided on a collar 14 fixed to a vehicle concerned and arranged around on said drive shaft 3 on which said mounting head 2 is mounted. Said collar 14 is provided with notches 15,16 being spaced apart and forming a guidance in between for said arm member .
  • One of said notches 15 corresponds to said arm member 4 being in said first reversal position and the other notch 16 thereof corresponds to said arm member 4 being in said second reversal position .
  • said arm member 4 is allowed to be pushed by said notches 15, 16 in a direction away from said mounting head 2 (see arrow 17) against said end stop 13 allowing a rotation of the arm member 4 and the wiper blade 5 connected thereto in the direction of arrow
  • reference numerals wherein a windscreen to be wiped is designated with reference numeral 18. It is noted that at both reversal positions, i.e. the first and the second reversal positions, the guiding rod 11 is in abutment with the end stop 13. The guiding rod 11 may be guided in its linear motion by a slide guide 19 (see figure 5) .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

L'invention concerne un bras d'essuie-glace de pare-brise, en particulier pour des véhicules automobiles, comprenant une tête de montage pouvant être montée sur un arbre d'entraînement et un élément bras oscillant raccordé de manière pivotante à la tête de montage au moyen d'un axe de pivotement, l'élément bras pouvant osciller dans les deux sens entre une première position d'inversion, dans laquelle l'élément bras s'étend parallèlement à un pare-brise devant être essuyé et est situé à proximité d'un bord inférieur dudit pare-brise devant être essuyé, et une seconde position d'inversion, dans laquelle l'élément bras s'étend parallèlement à un pare-brise devant être essuyé et est situé dans une région centrale ou près d'un bord latéral dudit pare-brise devant être essuyé, ledit élément bras étant agencé de manière à être raccordé à un balai d'essuie-glace allongé pour être placé en butée avec ledit pare-brise devant être essuyé, ledit bras d'essuie-glace de pare-brise présentant la caractéristique spéciale suivante: ledit bras d'essuie-glace de pare-brise est doté d'un guide permettant de guider ledit élément bras pendant son mouvement d'oscillation et dans ladite première position d'inversion et ladite seconde position d'inversion dans une direction s'éloignant dudit pare-brise devant être essuyé.
PCT/EP2014/059172 2014-05-06 2014-05-06 Bras d'essuie-glace de pare-brise WO2015169340A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/059172 WO2015169340A1 (fr) 2014-05-06 2014-05-06 Bras d'essuie-glace de pare-brise

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/059172 WO2015169340A1 (fr) 2014-05-06 2014-05-06 Bras d'essuie-glace de pare-brise

Publications (1)

Publication Number Publication Date
WO2015169340A1 true WO2015169340A1 (fr) 2015-11-12

Family

ID=50732133

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/059172 WO2015169340A1 (fr) 2014-05-06 2014-05-06 Bras d'essuie-glace de pare-brise

Country Status (1)

Country Link
WO (1) WO2015169340A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195235A (en) * 1986-09-16 1988-04-07 Champion Spark Plug Europ Wiper arm assembly
GB2200277A (en) * 1987-01-28 1988-08-03 Trico Folberth Ltd Windscreen wiper system
US5426815A (en) * 1994-07-08 1995-06-27 Ford Motor Company Wiper system including an adjustable arm load mechanism
US5551116A (en) * 1994-11-14 1996-09-03 Dekelaita; Nergal Device to refresh wipers in use
US8365345B1 (en) * 2011-08-24 2013-02-05 Nathan Bush Windshield wiper lifter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195235A (en) * 1986-09-16 1988-04-07 Champion Spark Plug Europ Wiper arm assembly
GB2200277A (en) * 1987-01-28 1988-08-03 Trico Folberth Ltd Windscreen wiper system
US5426815A (en) * 1994-07-08 1995-06-27 Ford Motor Company Wiper system including an adjustable arm load mechanism
US5551116A (en) * 1994-11-14 1996-09-03 Dekelaita; Nergal Device to refresh wipers in use
US8365345B1 (en) * 2011-08-24 2013-02-05 Nathan Bush Windshield wiper lifter

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