DE2243942A1 - DOUBLE-WALLED ROLL CLOSURE - Google Patents

Description

Dipl. Phys. Herta Seidel η jl qq λ

Patent attorney. '. . ■ £ 4 HO ~ 4

819 Wolfratshausen
JÜlckig-Ihoma-Steße Ul

Hannelore Jacob, 8i9Ö Geretsried-Ga ^ tenberg

Double-walled Ro livers chlxiß

The invention relates to a double-walled roller shutter with articulated wall elements.

It is already known, for example, roller shutters, the front and back surfaces of which are visible to the viewer Double-walled roller shutters from hingedly connected elements'

In general, however, claim these known roller closures when rolled up a relatively large

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sen room, since either each wall surface must be rolled up into a roll for itself or the scope of the around one both wall surfaces common axis of the rolled fastener is relatively large

The extent of the role to be accepted when rolling up a double-walled roller shutter is apart from the total length of the closure depends primarily on the radius of curvature of the roll formed

This radius of curvature is determined on the one hand by the width of the individual wall elements connected to one another. However, this is determined by the respective purpose and can therefore not be varied arbitrarily. if you want to achieve optimal conditions with the greatest economic efficiency of production

On the other hand, the radius of curvature in the case of RoI! Is locks determined by the distance between the two wall surfaces. In the case of the known roller closures, this distance is determined from the outset and is based on the required stability values as well as according to the desired sound and heat insulation properties of the closure «

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-3- 2 2 A 3 9 A 2

With a given closure length, this also includes the circumference to accept the roll when rolled up

The inventor has now set himself the task of reducing the space required for rolled up double-walled roller closures reduce and at the same time increase their sag resistance in the stretched state.

The solution according to the invention is characterized! that with a double-walled roller shutter of the type mentioned each wall surface consists of two-dimensional, articulated interconnected Wall elements' is built, of which at least one part articulated with the wall elements of the other wall surface, which are approximately opposite them, by means of spacers connected is.

This ensures that the distance between the two wall surfaces can be reduced during the rolling up process, see above that both wall surfaces come to lie close to one another, and the total wall thickness to about three times the thickness of the individual elements is reduced. Such a double-walled roller shutter can be rolled on a single shaft will. The amount of roll that results when rolling up has a minimal value, although the distance between the two Wall surfaces in the stretched state can still be large.

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MB L am

Furthermore, the spacers help to stiffen the double-walled roller shutter in the stretched state against deflection and to increase its strength in the direction of deflection.Depending on the design of these spacers, the total weight of the roller shutter can also be influenced

According to a preferred embodiment of the invention the articulation of two adjacent wall elements of a wall surface is formed by a joint shaft common to them, optionally alternating with one another, rotatably arranged on the guide elements of the adjacent wall elements are, and the articulation of a spacer with the two wall surfaces takes place about each other about opposite cardan shafts of the two wall surfaces, with guide surfaces of the spacer on the respective Cardan shafts of the adjacent wall elements one each wall surface, possibly with its guide surfaces are arranged alternately, rotatably, and the guide surfaces of the wall elements and which are arranged on a hinge shaft Immediately adjoin spacers · One obtains in this way a roller shutter, the wall surfaces of which are formed by wall elements that are closely connected to one another, have uninterrupted outer surfaces.

To reduce the weight of the roller shutter, it can

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For example, it may be advantageous to use spacers whose length is only a fraction of the length of a wall element. Instead of a single spacer, two or more disjointed
Use spacers, each with an or
several guide surfaces can be equipped for each propeller shaft. But you can also punch the individual spacers accordingly to reduce weight

According to a further preferred embodiment, the spacers are formed planar and their guide surfaces designed as eyelets or sleeves.

Details of the invention emerge from the following description of exemplary embodiments on the basis of the drawing
Show here:

Fig. Ι a front view of a wall surface of the he

inventive double-walled roll closure in broken representation
Fig. 2 shows a cross section through the roller shutter

1 along the line 2 ··· .2 and
3 shows an interior view of a wall surface of a further embodiment of the roll closure according to the invention in a broken-off representation; FIG. K shows an exploded view of an articulated connection
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Pig. 5 a guide rail in cross section 6 shows a wall surface with cladding in cross section. The drawing is not to scale

The front or outside view shown in Fig. 1 in a broken representation of a section of a wall surface of a roller shutter according to the invention illustrates its structural systematics.Since the components required for the front wall surface _{are completely identical to those of the rear wall, and are repeated within a wall surface y} will be described below The same reference numerals have been chosen for corresponding parts of the front and rear wall surfaces, to which only the letter a or b is added to distinguish them, depending on whether they are elements of the front or rear wall surface. Among similar, functionally interacting structural elements of a wall surface an additional index number is added in each case · Thus, the front wall surface la consists of identical flat wall elements 2a, 2a, 2a etc. which are articulated to one another via articulated shafts 3a, 3a,, etc.,

X 2

while the rear wall surface Ib (see Fig. 2)

the flat wall elements 2b, 2b, 2b_o ·· etc · ent-, X 2 j

which in turn are articulated via cardan shafts 3b, 3b '··· etc.

X m

kig are connected to one another

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2b and thus also the cardan shaft 3a to the cardan shafts η - ■ - η

3b opposite and with the help of spacers 4 η ■ ■. η

connected with each other·

A wall element 2 of a wall surface is held on the cardan shafts 3 assigned to it on both sides and adjoining it via guide surfaces 5i which are provided on the two longitudinal side edges of each V-wall element 2 and are generally designed as a plurality of aligned sleeves or eyelets. See Fig · km

In order to identify the guide surfaces 5 of a wall element 2a, the index "i" is added below to the index "2a" designating the wall element in the guide surfaces on the left-hand side of each wall element in the drawing, while the index "i" on the right-hand side ;:; \. _; ; te of the same wall element located guide surfaces »!, ^{bear the index M} r" · ■,

To further express that each guide surface 5i or 5r in the example chosen in Fig. Ι by several, is formed in each case aligned sleeves are the pods of each side, top to bottom, by adding , a number of Strokes; marked. In this example,

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after the sleeves located on the left side of the van del ententes 2a with the reference _numerals 5 2a2i '» 5 _Za2 ±' ' ^and sw. and

the one on the right side of the same wall element 2

a2

located sleeves with 5 _ODO ', 5 _OeO ", etc., with the sleeves 5 _2a2i ^f , 5 ^ ₂₁ ", 5 ^ ₂₁ ¹ ' ¹ , etc. encompass the universal joint shaft 3 _al rotatably while the sleeves $. ·, i etc. . Are arranged on the cardan shaft 3 " _o.

_{The gaps} between two adjacent sleeves on one side of a wall element, for example the gap between the sleeve 5 2a2i 'and the sleeve 5 _2a2i '', corresponds to just twice the length of a sleeve. The arrangement of the sleeves 5 on the left and right side of a wall element 2a is chosen so that in each case the lower edge of a sleeve 5i, e.g. the sleeve 5O _Qi 'with the upper edge of a sleeve 5r, here the sleeve 5_ · Is at the same height * This ensures that, as shown in the example, for example on the _{cardan shaft 3 ^ 1} * the sleeve 5 2a2i 'of the wall element 2 _a2 and the sleeve 5 _ΟΛ .,' Of the wall element 2a ♦ as well as the sleeve sen 5 _2a2 i '' ^and 52air '* etc. uttMttelbar * n »inaiider angren zen while however between the lower edge of the sleeve 5 _2alr 'and the upper edge of the sleeve 5 ^ ₂₁ ¹¹ a gap remains free, which corresponds exactly to the length of a sleeve 5. Ent "speaking gaps are on the hinge shaft 3a is also _t between the further pairs of sleeves 5 exist. These intermediate

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between the spaces are also in the form of sleeves or Guide surfaces of the spacers 4 formed by eyelets taken, which also sit rotatably on the cardan shafts 3

In Fig. Ι are on the cardan shafts 3a, 3a, etc. the front wall surface la held sleeves of the spacers 4 or 4 or 4 etc. each add the letter a,

1. <£ j

to identify their affiliation to the front wall surface and also to distinguish those on a cardan shaft 3a located different sleeves 4a still a η η

The number of lines corresponding to its ordinal number has been added · In the example, the sleeve 4a ' ^{1 is located} on the cardan shaft 3 ^a . between the right sleeve 5 _n . "of the wall element 2a ^ and the left sleeve 2a ir I

^{11 of the} wall element 2a.

The spacers 4, 4, etc. can be designed as plates the height of which is the same as the height of the roller shutter, i.e. the height of the wall elements · To reduce weight these panels can be provided with openings 6 «In a similar way to the wall elements they have on their guide surfaces adjacent to the left and right edge, where the left guide surfaces are assigned, for example, to articulated shafts of the front wall surface la and the right guide surfaces grip around the corresponding cardan shafts on the rear wall surface

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- ίο -

If you want to reduce the weight of the roller shutter even further, so the spacers 4 can also consist of a multiple

number of spacer sections 4η ¹ , 4n ^M , etc., the height of which corresponds, for example, to the height of the sleeves 4a _n ', 4a _n »· or ^ _n ¹ * ^ ^b _n ", etc.

Furthermore, you can preferably only in the upper and lower area less selected cardan shafts 3 spacers provide, as indicated in Fig. 3 and make openings 6 in these spacers.

It is of course conceivable to disguise the roller shutter surfaces facing the viewer one to the roller shutter to the respective purpose Give it an adapted appearance and it with the appropriate choice of material make lightproof

Plastic can be used as cladding material as well as Use wood, e.g. veneer wood, plywood, etc.

Around uninterrupted smooth outer surfaces of the roller shutter To achieve this, it is advantageous to apply the cladding material to the outside of the individual wall elements 2a or 2b and to choose the cross-section of the cladding as a parallelogram 8. If one proceeds as shown in Fig. 6,

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in front, then the cladding of adjacent stand elements overlap with the buckle stretched

In order to fix the roller shutter in the stretched state against bending, it is guided at its upper edge by a suspension at its lower edge through a rail. The cross-section of a rail 7 suitable for this is shown in FIG of the rails, which correspond to the legs of a U ¹ s according to the drawing, are bent inwards at their upper free ends in order to create guide tracks that are covered on the outside for the required cable pull

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Claims (1)

Claims 1 ·) Double-walled roller shutter with hingedly connected Wall elements, characterized in that each wall surface (la, Ib) consists of planar, interconnected articulated Wall elements (2a, 2b) is constructed, of which at least a part - with the respective opposing wall elements of the other wall surface by Abetandsteile (4n) is articulated 2 roll closure according to claim 1, characterized in that that the articulation of two adjacent wall elements (2a, 2a „or · 2b, 2b.) A Vandflaehe through an Ih n ni η ni NEN common cardan shaft (3a or 3b) is formed, on the guide surfaces (5) of the adjacent wall elements, optionally alternating with one another, are rotatably arranged. 3. Roller shutter according to claim 2, characterized in that the articulated connection of a spacer between the two wall surfaces takes place via the approximately opposite joint shafts (3a to 3b) of the two wall surfaces, n ti - wherein guide surfaces (4a, 4b) of the spacer on η η the respective cardan shafts of the adjacent wall elements of each wall surface, if necessary with their Guide surfaces are arranged alternately, rotatably 409813/0060 4. Roller shutter according to one of claims 1 to 3 »thereby characterized) that the guide surfaces of the wall elements and spacers arranged on a cardan shaft directly adjoin one another. 5. Roller shutter according to one of the preceding claims! characterized in that the guide surfaces of the wall elements and spacers are formed by eyelets or sleeves are. 6 · Roll closure according to one of the preceding claims « characterized in that the wall elements and / or spacers on a cardan shaft each with one or several guide surfaces are supported 7 roll closure according to one of the preceding claims, characterized in that the wall elements cross through to the rolling direction of the roller shutter extending, one-piece rectangular plates are formed, the maximum width of which is determined by the desired minimum radius of curvature of the rolled-up roller shutter 8 · roller shutter according to one of the preceding claims «characterized in that the width of the spacers corresponds to the maximum distance between the wall surfaces of the roller shutter and a maximum of the width of a wall element. 409813/0060 9 · Roll closure according to one of the preceding claims « characterized in that the length of a spacer corresponds to a fraction of the length of a wall element. Io roll closure according to one of the preceding claims characterized in that the spacers are flat 11 · Roll closure according to one of the preceding claims, characterized in that a spacer is formed from two or more unrelated spacer sections each of which is equipped with one or more guide surfaces for each cardan shaft 12 Roll closure according to one of the preceding claims, characterized in that the spacers have openings (6) 13. Roller shutter according to one of the preceding claims, characterized in that the guide blade (7) of the Roll closure has a U-shaped cross-section, and the legs of the U at their free ends inwards are bent over " 409813/0060 Roliverschluß according to any one of the preceding claims, characterized in that the individual Wändelemente having on its outer surface a covering (8) with parallelism -logrammförmigem cross-section ₀ 409813/0060 Blank page