WO2006032390A2 - Agencement pour le montage d'un bras d'essuie-glace monobloc sur une tête d'entraînement - Google Patents
Agencement pour le montage d'un bras d'essuie-glace monobloc sur une tête d'entraînement Download PDFInfo
- Publication number
- WO2006032390A2 WO2006032390A2 PCT/EP2005/009798 EP2005009798W WO2006032390A2 WO 2006032390 A2 WO2006032390 A2 WO 2006032390A2 EP 2005009798 W EP2005009798 W EP 2005009798W WO 2006032390 A2 WO2006032390 A2 WO 2006032390A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arm
- wiper arm
- drive head
- locking
- wiper
- 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.)
- Ceased
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
-
- 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
-
- 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
- B60S1/3425—Constructional aspects of the arm
- B60S1/3445—Joints between elements
- B60S1/345—Joints between elements the elements being a link piece and a mounting head
Definitions
- the invention provides an arrangement for mounting a one-piece wiper arm on a drive head of the wiper arm in sweeping motion on a glass panel.
- the invention more particularly proposes an arrangement for mounting a monobloc wiper arm of longitudinal main orientation on a drive head of the wiper arm in alternating scanning movement, of the type in which the wiper arm comprises - a first mounting end which is connected to the drive head so as to transmit scanning forces of the wiper arm; and - a second free end which is adapted to carry a wiper blade of a glazed panel; and of the type in which the first end of the wiper arm is movably mounted relative to the drive head between a low wiping position in which the wiper blade is held in abutment against the glass panel, and a raised position in which the broom is away from the glazed panel.
- US-A-4,864,678 discloses such a monobloc wiper arm, that is to say that is made in one piece.
- This wiper arm has an intermediate section which is elastically deformable to allow a user to raise the wiper blade relative to the glass panel to allow including disassembly of the wiper blade, for replacement.
- this deformable section allows only a limited deformation of the wiper arm.
- the invention aims to provide an arrangement for mounting a wiper arm to limit the risk of damaging the wiper arm when the user exerts excessive force on the arm.
- the invention proposes an arrangement of the type described above, characterized in that it comprises means for locking the first end of the arm in the lower position, which are able to change state when a lifting effort.
- the second end of the arm is exerted on the arm whose value is greater than a predefined threshold value, to allow movement of the first end of the arm to the raised position.
- the wiper arm comprises means for connecting the arm with the driving head, whatever the position of the first end of the arm relative to the driving head;
- the drive head comprises vertical locking tabs whose free upper end of each locking tab cooperates with a horizontal face complementary to the first end of the arm, and each of the locking tabs is adapted to deform elastically during the moving the first end of the arm relative to the drive head;
- the locking means comprise a clamping element which is mounted movably relative to the drive head between a first position in which the clamping element relies in part on each locking tab to limit the amount of deformation of the locking tab, and a second position in which the clamping element does not act on the locking tabs.
- FIG. 1 is a longitudinal sectional view of the assembly of a one-piece wiper arm on a drive head according to the invention
- FIG. 2 is an end view along the arrow F of the wiper arm shown in Figure 1;
- FIG. 3 is a view similar to that of Figure 1, showing a drive head according to an alternative embodiment of the invention, wherein the mounting of the first end of the arm on the drive head is located away from the pivot axis;
- FIG. 4 is a view similar to that of FIG. 1, showing another embodiment of the arrangement according to the invention in which the first end of the arm is fitted elastically into the driving head;
- FIG. 5 is a view similar to that of FIG. 1, showing an alternative embodiment of the invention according to which the wiper arm comprises a permanent connecting lug of the wiper arm with the head of the windscreen wiper arm. 'training.
- FIG. 1 a wiper arm 10 belonging to a wiper mechanism of a glazed panel (not shown), including a glazed panel of a motor vehicle.
- the wiper mechanism comprises a drive mechanism of the wiper arm 10 in alternating scanning movement with respect to the glazing panel.
- the scanning movement of the wiper arm 10 consists of an alternating pivoting about a vertical axis A substantially orthogonal to the plane of the glass panel.
- the invention is not limited to this mode of scanning movement, for example, the scanning consists of a translation of the wiper arm parallel to the general plane of the glass panel.
- the drive mechanism comprises for this purpose a drive shaft 14 coaxial with the axis A pivoting the wiper arm 10, and a drive head 12 through which the wiper arm -glace 10 is connected to a free end of the drive shaft 14.
- the wiper arm 10 is of the one-piece type, that is to say that it is made in one piece. It extends generally longitudinally and it comprises a first longitudinal end before 10a which is mounted on the drive head 12, a second free rear longitudinal end 10b which is able to carry a wiper blade (not shown) of the glazed panel and an intermediate portion 10c which extends generally radially with respect to the axis A of pivoting, between the first end 10a and the second end 10b.
- the first end 10a of the wiper arm 10 is movably mounted relative to the drive head 12 between a low wiping position shown in the figures, and a raised position.
- the first end 10a of the wiper arm 10 When in the low wiping position, the first end 10a of the wiper arm 10 is connected to the drive head 12 so as to transmit driving forces of the wiper blade 10, which here consist of a driving torque around the axis A of the drive shaft 14.
- the intermediate portion 10c of the wiper arm is elastically deformed so that it exerts an elastic bearing force of the wiper on the glass panel.
- the elastic deformation of the intermediate section 10c also makes it possible to keep the blade resting against the glazing panel during the scanning movement of the wiper arm 10 about the vertical axis A, irrespective of the profile of the glazed panel.
- Moving the first end 10a of the wiper arm 10 from its low wiping position to its raised position is effected by applying to the wiper arm 10 a raising force to move the second wiper arm 10 away. end 10b of the wiper arm 10 and the wiper of the glass panel.
- the value of this recovery effort is greater than a predefined threshold value.
- the threshold value is determined as a function of the mechanical strength of the intermediate section 10c of the wiper arm 10, to prevent the rupture of this intermediate section 10c when the user exerts a force on the wiper arm 10. to keep the broom away from the glass panel.
- the intermediate portion 10c of the wiper arm. 10 is no longer elastically deformed, therefore it no longer exerts elastic biasing force of the second end 10b of the wiper arm 10 to the glazed panel.
- This raised position of the windscreen wiper arm 10 is thus more comfortable for the user who wishes in particular to disassemble the wiper blade because it does not have to maintain a force on the arm 10 to keep it in the raised position.
- the first end 10a of the wiper arm 10 is held in the lower position by locking means as long as the user exerts on the wiper arm 10 a force to move the wiper away from the wiper arm 10. glazed panel that is less than the threshold value defined above.
- These blocking means are further able to change state when the user exerts on the wiper arm 10 an amplitude raising force greater than the threshold value. This change of state of the locking means allows the movement of the first end 10a of the wiper arm 10 towards its raised position.
- the first end of the arm is locked in the lower position by elastic interlocking and cooperation of complementary shapes.
- the first end 10a of the wiper arm 10 is disengaged from the drive head 12 when in the raised position.
- the first end 10a of the wiper arm 10 delimits a hollow housing 16 open downwards, which receives an excrescence 18 of the drive head 12.
- the protrusion 16 and the horizontal section of the protrusion 18 are non-circular, and preferably, they are rectangular or fluted.
- the protrusion 18 comprises two opposite transverse vertical walls 18a, and each of these transverse vertical walls 18a has a transverse groove 20 which receives a complementary boss 22 of a vertical wall 16a of the housing 16 located vis-a-vis.
- the grooves 20 and complementary bosses 22 are able to change state under the effect of a raising force, to allow the output of the protrusion 18 out of the hollow housing 16.
- the first end 10a of the wiper arm 10 comprises a front lug 24 which carries the boss 22 of the vertical transverse wall 18a before the hollow housing 16.
- This front leg 24 is able to deform elastically to allow the output of the boss 22 out of the associated groove, and therefore to allow the output of the protrusion 18 out of the hollow housing 16.
- the front leg 24 is also able to deform during assembly of the first end 10a of the wiper arm 10 on the drive head 12, that is to say during assembly of the protrusion 18 in the hollow housing 16.
- the protrusion is coaxial with the axis A of pivoting of the wiper arm 10, which makes it possible to limit the total horizontal space requirement of the drive head 12.
- the protrusion 18 is offset radially with respect to the vertical axis A of pivoting of the wiper arm 10, here towards the rear .
- FIG. 4 shows another embodiment of the invention according to which the hollow housing 16 is formed in the drive head, and the protrusion 18 is carried by the first end 10a of the wiper arm. 10.
- the hollow housing 1 6 is therefore open upwards.
- the first end 10a of the wiper arm 10 has a lower vertical foot 26 which is coaxial with the pivot axis A of the arm, the upper end 26s of which is connected to the first end 10a of the arm. wiper 10 and whose lower end 26i is connected to the protrusion 18. To transmit the training efforts, the excrescence
- the maintenance of the protrusion 18 in the housing 16 is achieved by means of vertical locking tabs 30.
- each locking tab 30 is hook-shaped and bears against a horizontal upper face 18s of the protrusion 18.
- the locking lugs 30 are elastically deformable to allow on the one hand the engagement of the protrusion 18 in the hollow housing 16 during assembly of the wiper arm 10 on the drive head 12, but also the output the protrusion 18 out of the hollow housing 16. This change of state of the locking tabs 30 thus allows the release of the first end 10a of the wiper arm 10 in the lower position relative to the driving head 12.
- the locking lugs 30 are deformable radially outwardly of the hollow housing 16, so that their free upper ends 30s deviate from the vertical axis A.
- each locking lug 30 is ramp-shaped having an inclined bearing surface of a lower edge of the protrusion 18 .
- the drive head 12 carries a clamping member 32, an upper portion 34 of the clamping element is located radially around the locking tabs 30.
- the upper part 34 of the clamping member 32 is annular in shape and is adapted to occupy a clamping position shown in FIG. 4, in which it bears against the vertical outer face 30e of each locking tab 30.
- the clamping element 32 is mounted movably relative to the drive head 12 between the clamping position shown in FIG. 4, and a not shown low position in which its upper part 34 is located vertically below the locking tabs 30.
- connection between the clamping element 32 and the driving head 12 is a helical type connection.
- the upper portion 34 of the clamping element 32 does not bear against the outer face 30e of each tab 30, this then allows each of the locking tabs to deform completely when a force of raising is applied to the upper end 30s of a locking tab 30.
- the threshold value of the lifting force to be applied to the wiper arm 10 for disengaging the connection between the first end 10a of the wiper arm 10 and the head 12 by varying the vertical position of the clamping member 32 on the drive head 12 so that the upper portion 34 covers a greater or lesser portion of the outer face 30e of each locking tab 30 .
- the displacement of the first end 10a of the wiper arm 10 relative to the drive head 12 consists of a complete separation of the wiper arm. -glace 10 with the drive head 12.
- the arrangement according to an alternative embodiment of the invention shown in FIG. 5 comprises means for permanently connecting the wiper arm 10 to the drive head 12. wiper 10 with the drive head 12, irrespective of the position of the first end 10a of the wiper arm 10 relative to the drive head 12.
- connection between the wiper arm 10 and the drive head 12 is performed by means 36 for articulating the wiper arm 10 relative to the driving head 12, around the wiper arm 10.
- a transverse axis B located longitudinally in front of the protrusion 18.
- the first end 10a of the wiper arm 10 has for this purpose a cylindrical housing 38 of transverse main axis which is located at the vertical transverse wall 18a before the hollow housing 16, and which receives a transverse axis rotationally.
- the means for maintaining the wiper arm 10 integral with the driving head 12 according to the invention are not limited to this embodiment by a hinge about a transverse axis, and that the wiper arm 10 and / or the driving head 12 may comprise other means of securing the wiper arm 10 with the driving head 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Window Of Vehicle (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007531654A JP2008513269A (ja) | 2004-09-20 | 2005-09-13 | 一体成形の風防窓ワイパアームを駆動ヘッドに取り付ける装置 |
| EP05790889A EP1794040A2 (fr) | 2004-09-20 | 2005-09-13 | Agencement pour le montage d'un bras d'essuie-glace monobloc sur une tête d'entraînement |
| US11/663,313 US20090025171A1 (en) | 2004-09-20 | 2005-09-13 | Arrangement for mounting a single-piece windscreen wiper arm on a driving head |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0409940A FR2875458B1 (fr) | 2004-09-20 | 2004-09-20 | Agencement pour le montage d'un bras d'essuie-glace sur une tete d'entrainement |
| FR0409940 | 2004-09-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2006032390A2 true WO2006032390A2 (fr) | 2006-03-30 |
| WO2006032390A3 WO2006032390A3 (fr) | 2006-07-06 |
Family
ID=34949656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2005/009798 Ceased WO2006032390A2 (fr) | 2004-09-20 | 2005-09-13 | Agencement pour le montage d'un bras d'essuie-glace monobloc sur une tête d'entraînement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090025171A1 (fr) |
| EP (1) | EP1794040A2 (fr) |
| JP (1) | JP2008513269A (fr) |
| FR (1) | FR2875458B1 (fr) |
| WO (1) | WO2006032390A2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170210349A1 (en) * | 2014-07-24 | 2017-07-27 | Robert Bosch Gmbh | Quick fastening for fin ray wipers |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010062236A1 (de) * | 2010-12-01 | 2012-06-06 | Robert Bosch Gmbh | Wischerantrieb |
| DE102013222994A1 (de) * | 2013-11-12 | 2015-05-28 | Robert Bosch Gmbh | Scheibenwischvorrichtung |
| DE102013222992B4 (de) * | 2013-11-12 | 2024-05-29 | Robert Bosch Gmbh | Scheibenwischvorrichtung |
| DE102014215686A1 (de) * | 2014-08-07 | 2016-02-11 | Robert Bosch Gmbh | Finray-Wischer mit Klemmvorrichtung |
| JP2018015947A (ja) * | 2016-07-26 | 2018-02-01 | キヤノン株式会社 | 画像形成装置、画像形成方法、およびプログラム |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8716422D0 (en) | 1987-07-13 | 1987-08-19 | Stevens A | Windscreen wiper arms |
| US5634235A (en) * | 1996-07-19 | 1997-06-03 | Sprague Device, Inc. | Windshield wiper assembly with arm head retaining means |
| DE10227781B4 (de) * | 2002-06-21 | 2013-11-28 | Robert Bosch Gmbh | Scheibenwischvorrichtung |
| DE10333188A1 (de) * | 2003-07-22 | 2005-02-10 | Robert Bosch Gmbh | Wischvorrichtung |
| KR100537950B1 (ko) * | 2003-12-06 | 2005-12-20 | 동양기전 주식회사 | 와이퍼 조립체 |
-
2004
- 2004-09-20 FR FR0409940A patent/FR2875458B1/fr not_active Expired - Fee Related
-
2005
- 2005-09-13 US US11/663,313 patent/US20090025171A1/en not_active Abandoned
- 2005-09-13 EP EP05790889A patent/EP1794040A2/fr not_active Withdrawn
- 2005-09-13 JP JP2007531654A patent/JP2008513269A/ja active Pending
- 2005-09-13 WO PCT/EP2005/009798 patent/WO2006032390A2/fr not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170210349A1 (en) * | 2014-07-24 | 2017-07-27 | Robert Bosch Gmbh | Quick fastening for fin ray wipers |
| US10220815B2 (en) * | 2014-07-24 | 2019-03-05 | Robert Bosch Gmbh | Quick fastening for fin ray wipers |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2875458A1 (fr) | 2006-03-24 |
| WO2006032390A3 (fr) | 2006-07-06 |
| US20090025171A1 (en) | 2009-01-29 |
| JP2008513269A (ja) | 2008-05-01 |
| FR2875458B1 (fr) | 2008-02-15 |
| EP1794040A2 (fr) | 2007-06-13 |
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