DE19922586A1 - Window roller blind, particularly for use in road vehicles - Google Patents

Window roller blind, particularly for use in road vehicles

Info

Publication number
DE19922586A1
DE19922586A1 DE1999122586 DE19922586A DE19922586A1 DE 19922586 A1 DE19922586 A1 DE 19922586A1 DE 1999122586 DE1999122586 DE 1999122586 DE 19922586 A DE19922586 A DE 19922586A DE 19922586 A1 DE19922586 A1 DE 19922586A1
Authority
DE
Germany
Prior art keywords
roller blind
levers
window
pull bar
movement
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
Application number
DE1999122586
Other languages
German (de)
Inventor
Gisbert Koehler
Original Assignee
Gisbert Koehler
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 Gisbert Koehler filed Critical Gisbert Koehler
Priority to DE1999122586 priority Critical patent/DE19922586A1/en
Publication of DE19922586A1 publication Critical patent/DE19922586A1/en
Ceased legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0637Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for adjusting the inclination of the blind
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • B60J1/20Accessories, e.g. wind deflectors, blinds
    • B60J1/2011Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013Roller blinds
    • B60J1/2019Roller blinds powered, e.g. by electric, hydraulic or pneumatic actuators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60JWINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00Windows; Windscreens; Accessories therefor
    • B60J1/20Accessories, e.g. wind deflectors, blinds
    • B60J1/2011Blinds; curtains or screens reducing heat or light intensity
    • B60J1/2013Roller blinds
    • B60J1/2036Roller blinds characterised by structural elements
    • B60J1/2055Pivoting arms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0611Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with articulated arms supporting the movable end of the blind for deployment of the blind
    • E04F10/0618Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with articulated arms supporting the movable end of the blind for deployment of the blind whereby the pivot axis of the articulation is perpendicular to the roller
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0685Covers or housings for the rolled-up blind
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building

Abstract

Each draw-out arm (4,4a) has at least two rod parts, which are joined to one another by an elastic component (12), in order to form an intended bending position of the draw-out arms with predeterminable spring rigidity. A defined elastic binding movement of the draw-out arms is achievable vertically to the draw-out direction of the roller blind sheet. The distance of the tractive strip (5) to the winding shaft (3) is variable by draw-out arms (4,4a), which at least at their one end section are fitted pivotably on a roller blind cassette (18) locating the winding shaft or on the tractive strip (5).

Description

The invention relates to a window blind with a remote-controlled drive, especially for use in motor vehicles, with the features of Preamble of claim 1.

Such blinds are used in motor vehicles, for. B. on the inside of the Rear window of passenger cars but also on the side and front windows of e.g. B. coaches installed to protect against solar radiation or To provide glare protection when driving at night. Because these blinds are Range of the driver, it is advisable to use a remote-controlled preferably to provide an electric drive.

Since the installation space in the roof area in passenger cars is extremely tight, it has proved to be sensible to install rear window blinds in the parcel shelf and if necessary, glare protection to move the roller blind from bottom to top.

Some known solutions confirm that this task makes sense proposals. For example, EP 0 237 845 describes a mechanism in which lateral rails for guiding a roller blind cloth along a window pane that are also present when the blind is lowered. There Motor vehicle rear windows, however, usually have a trapezoidal surface, it is not to be avoided that the guide rails of the Blinds are in the field of view.

The same applies to the construction according to EP 0 093 934, and also for the pull cords with the blind lowered, run vertically through the field of view of the rear window.

This disadvantage is avoided with other solutions, which are described in DE 35 39 313, FR 8905203 and DE 36 12 165 are disclosed. Here is the roller blind using Levers moved in different arrangements upwards, these levers in when extended, keep the roller blind self-supporting and in the retracted state Condition are not visible.

However, the last three types of construction do not yet satisfy everyone Requirements: To the storage space on the parcel shelf of a passenger car not to shrink unnecessarily, the roller blind should be as close as possible to the Window pane can be arranged. The roller blind therefore follows when it is extended almost the angle of inclination of the rear window. That means for most Passenger cars, however, that the level of the extended blind by more than 45 ° deviates from the vertical.  

Such a flat roller blind has to be geometric at the same time be relatively long and has because of that on its top edge to be arranged pull bar an unfavorable center of gravity. A self-supporting Structures of this type can easily get in by vibration excitation when driving Natural vibrations are set that not only the vehicle occupants irritate, but also lead to premature failure of the component.

To avoid such vibrations due to a very stiff and therefore heavy and to have to suppress the voluminous construction of the actuating linkage, further solution ideas for a generic mechanism are required preferred for an electromechanically operated window blind Use in motor vehicles.

This describes the object of the present invention, the solution of which Represents teaching of claim 1; preferred embodiments of the invention are the subject of the subclaims.

According to the invention, the window blind consists of a sheet of cloth, one edge of which on one resilient in the reeling direction with respect to the vehicle body preloaded and rotatably mounted winding shaft is attached while the other edge is attached to a pull bar. This pull bar is in Active connection with single or multi-part levers, which are located on the vehicle body support and by means of electromechanical drive the tie rod relative to Vehicle body can move and so the roller blind from the winding shaft unroll. The level of the extended roller blind moves in one acute angle towards the window pane. After hitting the pull bar on the Window pane, preferably before reaching the maximum extended position the lever, elastic elements in the mechanism ensure that they are so can deform that on the one hand the direction of movement of the pull bar now the can follow the plane formed by the window pane and on the other hand by the elastic deformation creates a force that the pull bar against the Window pane presses and thus tensions the lever system.

Such a tensioned roller blind linkage no longer vibrates naturally out.

The task can also be solved with spring elements that be arranged between the vehicle body and a roller blind cassette. A Roller cassette is a rigid housing, the winding shaft with cloth and drive contains elements as a ready-to-install unit. With such an execution must be taken into account that the sprung mass is larger, on the other hand but is the transmission of structure-borne noise from the by the spring elements Damped drive elements on the vehicle body.  

In a particularly advantageous manner, the elastic elements in the Operating levers arranged to keep the spring-loaded mass as small as possible and to keep the resonance frequency of the system high.

In the practical design of an according to the invention mostly relative to three-dimensionally curved window pane under preload The pull rail must be taken into account that the installation tolerances in the system Vehicle body - window pane - pull bar are very large. Just a careful one Design and dimensioning of the elastic elements can therefore ensure that on the one hand there is sufficient pretensioning force on the other hand, the drive motor for the movement of the levers is not caused by excessive Deformation work in the elastic elements is overloaded.

It is therefore not sufficient for the more randomly arising different ones To trust the rigidity of components, you have to consciously consider components use with defined and controlled elasticity.

It proves advantageous to have leaf spring-shaped elements in the lever arms installed, which are stiff in the direction of movement of the levers, perpendicular to it however, have a defined resilience. This effect can with special components such. B. leaf springs or appropriately designed rubber Metal elements can be achieved, but it is also conceivable to go through Shape design one-piece lever to reach the goal.

So does a piece of pipe that was pressed flat in a lower section, too the characteristics that it has different surface inertia over its length moments and transverse flexion to a lower bending stiffness has as perpendicular to it.

The following is the mechanism for an electromechanically operated one Window roller blind based on drawings, the only preferred execution represent shapes, explained in more detail. Show it:

Fig. 1 in a schematic representation of a motor vehicle window with roller blind mechanism according to the invention with one-piece actuating levers, seen from the inside of the vehicle, perpendicular to the window plane on a smaller scale.

Fig. 2 the same view, but with two-part operating levers

Fig. 3 shows a cross section through the window and roller blind mechanism, with the roller blind extending as it is shown at the moment when the pull bar is just hitting the window pane.

Fig. 4 the same cross-section, but with the roller blind fully extended and the operating levers elastically deformed in the spring elements.

Fig. 5 shows a version with rigid levers, in which the elasticity is brought about by spring elements which are arranged between the roller blind cassette and the vehicle body.

Fig. 1 shows the rear window and roller blind in a top view. In front of the window pane 1 you can see the roller blind 2 , which is partly unrolled from the winding shaft 3 and already partially covers the window surface. On the upper edge of the roller blind 1 you can see the pull bar 5 , on the two levers 4 and 4 a attack and cause the lifting movement.

In the example shown, the pull bar 5 contains slide guides 8 , on which sliders 7 and 7 a are arranged to be longitudinally displaceable. With these sliders 7 and 7 a, the levers 4 and 4 a are rotatably connected. At their lower end, the levers 4 and 4 a are pivoted at pivot points 6 and 6 a relative to a roller blind cassette 18 or the vehicle body. If the levers 4 and 4 a are now moved from a horizontal rest position into an opposite rotational movement about the pivot points 6 and 6 a, they straighten up, the sliders 7 and 7 a executing a longitudinal movement along the slide guide 8 . The pull bar 5 is raised while taking the roller blind 2 with it .

In the levers 4 and 4 a leaf spring elements 12 are integrated, which allow a targeted elastic deformation of the levers 4 and 4 a perpendicular to their plane of movement.

At the ends of the pull bar 5 , rollers 14 and 14 a are arranged, which allow friction and low-noise sliding of the pull bar 5 along the window pane 1 .

In the example in Fig. 1, the following version was selected as the rotary drive for the pivoting movement of levers 4 and 4 a:

A motor 9 drives a shaft 11 via a reduction gear 10 which runs axially parallel to the winding shaft 3 . At its ends, the shaft 11 has a section with left-hand and right-hand threads. On these threaded sections run adjusting nuts 13 and 13 a, which are connected to the levers 4 and 4 a in a rotationally fixed but longitudinally displaceable manner by means of an elongated hole guide.

With a rotational movement of the shaft 11 , the adjusting nuts 13 and 13 a thus perform an opposite longitudinal movement along the shaft 11 and thereby cause the elongated hole guide in the levers 4 and 4 a to cause an opposite rotational movement about the pivot points 6 and 6 a To run.

Fig. 2 shows the same view as Fig. 1, but here a different kinematics was chosen to effect the lifting movement of the pull bar 5 :

On the lifting bar 5 there are two swivel joints 17 and 17 a in which two upper lever parts 16 and 16 a are rotatably mounted. These are in turn connected via pivot joints 15 and 15 a to lower lever parts 18 and 18 a. These lower lever parts are rotatably supported at pivot points 6 and 6 a with respect to the roller cassette 18 .

The drive of the rotary movement of the lower levers 18 and 18 a about their pivot points 6 and 6 a takes place in this example as described in Fig. 1.

If the lower levers 18 and 18 a are rotated about their pivot points 6 and 6 a, a vertical force component is created at the joints 15 and 15 a, which is transmitted to the pull bar 5 via the upper levers 16 and 16 a and against the spring force of the winding shaft 3 causes a movement of this pull bar. A prerequisite for this movement sequence is that the lever parts 16 and 18 or 16 a and 18 a in their rest position include an angle of <0 °, preferably <5 °.

In Fig. 3, the arrangement known from Fig. 1 is shown in section, the main section plane corresponding approximately to the x, z plane of the motor vehicle. The extension end of the roller blind is shown in the moment, with their rollers 14 and 14 a impinges at an acute upward angle to the window glass hinbewegende pull strip 5 on the window pane 1, which is simplistically shown here as a flat plate.

The roller blind 2 fastened here by means of a Keter to the pull bar 5 is pulled off the winding shaft 3 . In the representation shown somewhat larger than Fig. 1, it is easier to see the slide guides 8 connected to the pull bar 5 and running parallel to it, and the slide pieces 7 and 7 a guided thereon. The lower part of the levers 4 and 4 a can also be seen more clearly with the slot guide for the adjusting nuts 13 and 13 a moved by the shaft 11 and the pivot points 6 and 6 a, in which the levers 4 and 4 a are rotatable relative to the roller blind cassette 18 are stored.

The integrated in the levers 4 and 4 a spring elements 12 allow the elastic deformation of these levers perpendicular to their plane of movement.

Fig. 4 shows the roller blind in the extended position. The elastic deformation of the spring elements 12 can be seen and also that the lifting movement of the pull bar along the window pane 1, which is advanced in comparison with FIG. 3, is only made possible by this deformation of the spring elements 12 .

Another embodiment of the invention is shown in FIG . The levers 4 and 4 a are stiff here and the elasticity required for pressing the rollers 14 and 14 a against the window pane 1 is achieved by spring elements 19 and 20 which are arranged between the roller blind cassette 18 and the vehicle body. The latter is only indicated by hatching in the drawing.

Claims (8)

1.Electro-mechanically operated window roller blind, particularly for use in motor vehicles, with a winding shaft which is spring-biased in the winding direction and to which one edge of a roller blind cloth is fastened, while the other edge is connected to a pull strip which is arranged essentially parallel to the winding shaft and the distance between them to the winding shaft with mechanical means, driven by an electric motor, is variable, characterized in that elastic elements are provided which allow an elastic movement of the pull bar essentially perpendicular to the direction of extension of the lever mechanism or the roller blind before the roller blind has reached the end point of its extension movement.
2. Window roller blind according to claim 1, characterized in that the mechanical Means for changing the distance of the pull bar from the winding shaft consists of a pair of levers with one end relative to the vehicle body are rotatably mounted, this rotary movement being driven by an electric motor and the other end of which is displaceable in the direction of extension of the Train bar are attached to the train bar.
3. Window roller blind according to claim 1, characterized in that the mechanical Means for changing the distance of the pull bar from the winding shaft a pair of double levers with one end relative to the Vehicle body are rotatably mounted, this rotary movement is driven by an electric motor, which consist of at least two levers are interconnected by a swivel and the end member is rotatable is attached to the drawbar.
4. Window roller blind according to claims 1-3, characterized in that the elastic elements are integrated in the levers, which the lifting movement cause.
5. Window roller blind according to claims 1-3, characterized in that the elastic elements between the vehicle body and a housing part are arranged, which carries all moving parts of the window blind.
6. Window roller blind according to claim 4 and 5, characterized in that the elastic elements perpendicular to the plane of movement of the levers Stiffness, but higher rigidity in the direction of movement.  
7. Window roller blind according to claims 1-6, characterized in that on both Each end of the pull bar is attached to a roller with which the pull bar can roll on the window pane when extending and retracting.
8. Window roller blind according to claim 4, characterized in that the elastic Element in the levers has the design of a metallic leaf spring.
DE1999122586 1999-05-17 1999-05-17 Window roller blind, particularly for use in road vehicles Ceased DE19922586A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1999122586 DE19922586A1 (en) 1999-05-17 1999-05-17 Window roller blind, particularly for use in road vehicles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999122586 DE19922586A1 (en) 1999-05-17 1999-05-17 Window roller blind, particularly for use in road vehicles
DE29913753U DE29913753U1 (en) 1999-05-17 1999-08-06 Window blind

Publications (1)

Publication Number Publication Date
DE19922586A1 true DE19922586A1 (en) 2000-02-10

Family

ID=7908279

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1999122586 Ceased DE19922586A1 (en) 1999-05-17 1999-05-17 Window roller blind, particularly for use in road vehicles
DE29913753U Expired - Lifetime DE29913753U1 (en) 1999-05-17 1999-08-06 Window blind

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE29913753U Expired - Lifetime DE29913753U1 (en) 1999-05-17 1999-08-06 Window blind

Country Status (1)

Country Link
DE (2) DE19922586A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014760A1 (en) * 2000-03-24 2001-10-11 Bos Gmbh Rear window roller blind with spring castors
DE10041708A1 (en) * 2000-08-25 2002-03-14 Bos Gmbh Rear window roller blind with Bowden cable
EP1832453A1 (en) * 2006-03-08 2007-09-12 C.R.F. Societa' Consortile per Azioni Sunshade device for motor-vehicles, with shape memory actuator
DE202007010867U1 (en) * 2007-08-03 2008-12-18 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Device for covering an opening region of a motor vehicle
DE102015106155A1 (en) * 2015-04-22 2016-10-27 Lisa Dräxlmaier GmbH Fold-out vehicle window shade

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004009482B4 (en) 2004-02-27 2008-04-03 Bos Gmbh & Co. Kg Guideless window blind with improved glides
DE102004064088B4 (en) * 2004-02-27 2014-01-02 Bos Gmbh & Co. Kg Roller-blind for motor vehicle rear window, has lubricant reservoir to ensure smooth running of sliders for articulated tensioning levers
DE202007004175U1 (en) * 2007-03-19 2008-07-31 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt vehicle blind
DE102007045414A1 (en) * 2007-09-21 2009-04-02 Bos Gmbh & Co. Kg Side window roller blind with inlet aid

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014760A1 (en) * 2000-03-24 2001-10-11 Bos Gmbh Rear window roller blind with spring castors
JP2001301458A (en) * 2000-03-24 2001-10-31 Bos Gmbh & Co Kg Window roller blind
EP1136289A3 (en) * 2000-03-24 2002-12-11 BOS GmbH &amp; Co. KG Roller blind for rear window with spring rollers
US6557616B2 (en) 2000-03-24 2003-05-06 Bos Gmbh & Co. Kg Rear-window roll-up blind with spring-mount rollers
DE10014760B4 (en) * 2000-03-24 2004-02-12 Bos Gmbh & Co. Kg Rear window roller blind with sprung wheels
JP4707856B2 (en) * 2000-03-24 2011-06-22 ベーオーエス ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト Window roll blinds
DE10041708A1 (en) * 2000-08-25 2002-03-14 Bos Gmbh Rear window roller blind with Bowden cable
EP1832453A1 (en) * 2006-03-08 2007-09-12 C.R.F. Societa' Consortile per Azioni Sunshade device for motor-vehicles, with shape memory actuator
US7823955B2 (en) 2006-03-08 2010-11-02 C.R.F. Societa Consortile Per Azioni Sunshade device for motor-vehicles, with shape memory actuator
DE202007010867U1 (en) * 2007-08-03 2008-12-18 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Device for covering an opening region of a motor vehicle
DE102015106155A1 (en) * 2015-04-22 2016-10-27 Lisa Dräxlmaier GmbH Fold-out vehicle window shade

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Publication number Publication date
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OP8 Request for examination as to paragraph 44 patent law
OAV Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1
8122 Nonbinding interest in granting licenses declared
8131 Rejection