DE1962237U - WINDING ROLL FOR BLINDS. - Google Patents

Description

P.A. 162 02-6 * March 22, 67

? irma "Ernst'Eolenz la Vienna

Winding roll for blinds »

The Neiierimg; "concerns one winding roll for blinds,
.whose! slats are suspended by means of ladders and through a
or several tension elements engaging the lowest lamella
are movable, the tension element on a bobbin

can be wound up or unwound. . ''. ';

They have been used for pulling up and for a long time

Lowering of blinds a similar winding roll as with '

Shutters! on the one on the lowest slat of the blind

attached tension element is wound up and unwound * Around the blind ■

being able to hold on to any position when lowering »;

different.! solutions have already become known, whereby \

however, a flexible steel strip is required as the tension element * -J-

In one of these known designs, the coil body \ '

a spring displaceable pin inserted through;

the steel band is pressed against the inside of the spool »as long as \

the steel band is taut as a result of a sufficiently high tensile force i

is excited. When the tensile stress is released, the steel V forms

tied the well-known loose loops around the vetch!

the spring-loaded pin out of the bobbin; is pressed. The movement of the pin can now be used by further ■ - / mechanical devices or electrical circuits to ] .. · / ■ ', / ■ -'] ■ block the blind position reached *

■ However, this principle does not apply to sextile or plastic straps; very applicable, because they do not detach themselves from the coil body when the tension is released and a loose loop

■ .. ". '. ■■■ * ■. *

f on ua don bobbins form. On the other hand, oieh please Sexiilfcündor, especially Trovira ligaments, as an allowance for External blinds are particularly popular because "with him dio l> ai .- '" ■ Stalil'Däadörn üaliohö Geräusclioiitv / lcklußg 'as a result of V / ind or Storm falls away. Aucii an icing, the Zugeloaantö iis

dor innovation .; is Oine V / icIselrolle for blinds to Schaff & n _{f is} the Iur lOxtilTjänder also be used.

In the case of a winding roll, this is the one mentioned at the beginning new rungs according to '. . ·

A-rt / dadui'oh he sees that one can be moved by the pulling element ^ ■ ■ Pawl is provided »the * beia moving down the Ja- - ' lousie by-iiachlaaaen the tensile stress in the tensile element on a ■ Haotvor jump of the bobbin can be applied. By the on; ...

• If the blocking license is applied to the ß & stvoroprung, a further -: .-

■ ' prevents the bobbin from turning and the blind is held in the · · reached position. With a new train. ' stress the .Zuüelesient is tightened again, whereby f

, · 'The pawl is pushed out from the lock division. .V ' The bobbin can also be turned further »so-v long the strain lasts · - / ·. , - .. '"

Xn further customization of iffieüer.ung; ' is provided » "'"■ that the locking pin © in a wrapper surrounding the winding roll

'■ hiiuse echwenicbar' is stored and has a worn-out era dor rests on the tension element. Here, too, can be done when taut

The pulling element does not engage the latch in the bast projection. "Only when the tensile stress is released can the pawl move into

Pivot the position in which the position of the blind is blocked:. ' will. The pawl can also be designed to be resilient,

.. ■ 'Hach a further renewal "we have planned that the pawl, which is preferably slidable in the housing

Effect of a peder can be placed on the tension element. χ _Ά this point, the spring force can be selected so that for actuation ''. . the blind a 'vorboatijamte' pulling force is required.

The innovation., Will ... -y on the basis of the drawing, the two ■ ".. Execution examples of the same:.:; Shows, described in more detail.

Pig. 1 is a plan view of a NetfeE-compliant winding roll _t fPig. 2 is a longitudinal section through the winding roll according to the line Ii-II in Pig. 1, fpig. Fig. 3 is a cross section "'according to line IS-III in Pig. 2 and Fig. 4 is a schematic ... cross section through another embodiment of the innovation:;

• In the first embodiment included in the Pig. 1, 2 and 3 • · is shown, with 1 the bobbin of the winding roll . denotes, on which the tension element 2 is wound up and unwound. '.

• The tension element 2 can be a steel band as well as a _: · textile band. An Irevira tape with a width of 5 meters and a thickness of 0.2 millimeters is preferably used as the tension element, which produces a noise - '. ·,;. poor operation of the blinds permitted. On the bobbin 1 • there are also the coils 3 for the conductor strip 4- of the blinds

Slats provided. The bobbin 1 is stored at 5 in • bearings, which are mainly made of plastic * In the bobbins 3 there are slots 6 for laying the conductor tape

intended. The OXeltlage'r for the coil formers 1 .are generally © ines housing 7 supported «, which the winding roll is essential, • surrounds; » ''. .

In the case? a © locking pawl 9 is pivotably mounted by means of an axis S »Di © locking pawl 9 has © inon ab« krUpftea arm 10 * whose iade 11 is rounded »or spherical and rests on the tension element 2 » Me 2 ¹ Ig, 1 im <2 2 söigtt consists -dio SporrklialcQ $ vxiü Ihr al) gi3i: röpftör Arra 10 from iswoi ■ parallel and at a distance on ^ ooränetea legs 9a, 9i> »IQa» 10 "b» die "by vju = ;? rstege 9c _t 10c with each other Verljyaclen are * Each ßor Sciienltel 9a »9b has a Sporrsaha 12 atil ¹ » which with a box protrusion ^ 13 oia «r üos? beiöea EastschoiTs © »14 susaaraenarboitot · The Enstschciben 14 siaä old the Sptilonlsorpsr I! coaxial xuaü. egg pieces from ^ el> ilclet »■ ■ ·

Whenever the Jalovisio is lowered, the Zu ^ eleiasnt 2 sags loosely and the ^ psXTfciinko 9 is due to lares ^ igengo- ■ wiehtes to imtexi ^ eschvienkt, u ^r o it by singing hoop $ a ia the Kaetscheib © a © Drehbewoguas dos SpuloaJsSrpesiis 1 after lialta prevented. In fiß ₉ 3 eats öisis® Stelluas des Zuselemontes with 16 bGsoichaot * Soll tinn <3is blinds pulled up. This means that tensile stress will be applied to the Ziaselomnt! is directed substantially downward ■ _y aui? einiaohsn £ eübt .. Dieeö 3ugbeansp3nachung performed at. Jalousio.a "by hand" Jcann in severe "and big blinds ABSR by a elelctrischen drive © rseugt be" *) "RCII the tensile stress v / ith the 2ugelemeat two streamlined uncl'hisbei after läalss gedrüclct _f as Pig * 3 seigt , v / o it occupies the atrichliöi't ßsaeichaete position 1.7 · thereby

s öer Aaaa 1Ö ^ ear Sperrlcliniso 9 after Xinlrs in

The dashed line pivoted position * whereby the ratchet 12 of the pawl 9 releases the hasty projection 13 "The coil body 1 can thereby be rotated in the seal of the arrow 15" so to the left, the tension element 2 being unwound from the coil body 1 " WQ-aa the blinds raised to the desired position. If you leave aeon pull to "" and the dead weight of the pawl, the pulling element 2 pushes back from the position 17 into the position to, the spur tooth 12 preventing the spool 1 from rotating further. This pivoting "movement of the pawl 9 can through a spring supported. But it is also possible to design the pawl 9 "including its arm 10 to be resilient * In particular, larger blinds require a great deal of pest control«

In i ^? A further embodiment of the innovation is shown. From the bobbin 18 a tension element 19 is wound up, which rests on a spring-loaded pawl 21 which is displaceable in the housing 20. The pawl 21 has a locking lug 22 which cooperates with a bast projection 23 of the bobbin body 18. D & b tension element 19 is inclined with full lines in that position 24 when no tension is exerted. Here, the locking lug 22 of the pawl 21 prevents the bobbin 13 from turning clockwise. The lter locking projection 23 can therefore be rotated further, with the blind being lowered * ■

The erAindun £ 0seiaäj3 <? ^ InrlQhtung only applies to the unwinding of the tension tape when lowering "the blinds". When the blind is pulled up, the tension tape is generally tightened by twisting the bobbin body, in S ¹ Ig. 3 iffl clockwise direction »auigev / iolcQli; * The locking device is here un- v / irJcsam.

Claims (1)

em ¹ Y f 1 «Winding roll for blinds, the slats of which are suspended by means of web clamps and movable by one or more pulling elements engaging the lowest slat, the pulling element can be wound or unwound on a roller body» characterized in that a locking pawl that can be moved by the pulling element (2) © (B ₉ 21} is provided, which can be applied to a hasty projection (15 »25) on the coil body (1, 18) when the blind is moved downwards by letting the tensile stress in the tensile element (2) flow» 2 # winding roll according to claim 1, characterized in that that the pawl (9) is pivotably mounted in a housing (7) surrounding the winding roll and a cranked one Has arm (10) which rests on the tension element (2). 5. Winding roll according to claim 1 or 2, characterized in that the pawl ($) is resilient. 4 · reel according to claim 1 or 2 _t characterized in that the preferably displaceable in the housing (20) pawl (21) can be applied under the action of a Peder (26) to the pulling element (19). 5o winding roll according to one of claims 1 to 4 »thereby characterized in that the east projection (15) on a box washer (14) is provided, which is connected to the coil body (1) ' 1st « -S- 6. Winding roll according to one of claims 1 to 5> characterized in that on-'both sides of the Spwlenlcörpsrs (1) Eastschelbe (14) are Yorgorielaea, and that the pawl (9) ZViQi ia spaced apart Solionköl (9a _s 9 "b) up / eist, from which ^ edea? On © ino of the Baatsioaeiben (14) can be applied *