DE2407478A1 - LOCKING DEVICE FOR DISPOSABLE DUST BAG - Google Patents

Description

Patent attorneys
Dipl.-Ing. W. Beyer
Dipl.-Wirtsch.-Ing. B. Jochem

Frankfurt am Main Ctaufenstrasse 36

In matters:

Aktiebolaget Electrolux
Patent Department

Lux baking 1

S-105 ^ 5- StQckholm / Sweden

Closing device for Vegwerf dust bags

The invention relates to a closing device for disposable dust bags, preferably for use in vacuum cleaners, consisting of one with an inlet opening
provided plate and a paper bag attached to one of its surfaces.

There are already various locking devices for
Vegwerf dust bags known. In most cases
the inlet opening in the mounting plate of the
The dust bag is automatically closed when the suction pipe of the vacuum cleaner is removed. However, a major disadvantage of all automatic closing devices for dust bags is that they become more expensive.

The invention is based on the object of an extremely to create simple and cheap locking device of the type mentioned, which nonetheless very quickly and can be effectively closed.

409834/0398

The above object is achieved according to the invention in that on the surface opposite the paper bag A strip of foldable material is arranged on the plate and emerges from an opening leaving the inlet opening Position is to be pulled into a closed position.

The invention is explained in more detail below with reference to two exemplary embodiments shown in the drawing. Show it:

Fig. 1 is a simplified, exploded, perspective view of an inventive ' Locking device in open position,

FIG. 2 shows the closing device according to FIG. 1 with the inlet opening of the dust bag closed,

3 shows a vertical section through the fastening plate and the closing device of the dust bag according to Fig. 2 according to section line III-III,

FIG. 4 shows a view corresponding to FIG. 3 of another Embodiment.

In Fig. "1, a dust bag 10 is attached to a flat, rectangular plate 11 made of cardboard which has a dust inlet opening 12 has. On one short side of the plate 11 is a strip 13, e.g. by gluing, .fixed. The width of the strip is slightly larger than the diameter of the inlet opening 12, and the free end of the strip extends approximately to the opposite short side of the plate.

In the illustrated embodiment, the strip is made from an easily foldable paper, which is in the area

409834/0398

between the. Inlet port. 12 and the attachment point: 16 of the strip on the plate is double. Above the inlet opening 12, the strip has a hole 17 into which a suction pipe, not shown, can be inserted. Above the strip 13 is a cover plate 18 with a Hole 19 attached.

The inlet opening 12 of the plate 11 is closed, for example when replacing an exne- filled dust bag, the free end of the strip denoted by 14 is pulled outward, whereby the double-lying strip part 15 is stretched. The originally folded strip portion is long enough to cover the inlet opening when the strip has been fully withdrawn. Since the cover plate 18 only at. their edges, e.g. 3. by "gluing to the plate 11 carrying the dustbag, the strip, when pulled out, has good guidance between the two plates 11 and 18. In addition, the strip is in good contact with the edge region of the inlet opening 12 in the plate 11. In order to make it easier to pull out the strip, the cover plate 18 of the exemplary embodiment is provided with a recess shown in the drawing.

In the embodiment of Fig. 4- there is Strips of a self-adhesive material, e.g. a Adhesive tape 20. A portion 21 of the tape is attached to the plate 11 on one side of the inlet opening 12. The free end of the strip has an edge 23 for gripping. In contrast to the previous one Example, this embodiment has no cover plate, and the strip 20 also has no opening corresponding to the hole 17. The folded part of the strip is stretched by gripping and pulling on the edge 23 and

40983A / 0398

then the strip on the plate in the area of the inlet opening Λ? attached. -

Abv, calibrating; c-i as described above £ examples the strip shortened from another ^ ötex-isl as paper, see E. made of plastic or other aivlfrren bulky substance, consist.

Pat he-t speak to

409834/0398

Claims (8)

Claims Closing device for disposable dust bags, preferably for use in vacuum cleaners, consisting of a plate provided with an inlet opening and a paper bag fastened on one surface thereof, characterized in that on the surface of the plate (11) opposite the paper, beufcel (10) a strip (13, '2O) of foldable material
is arranged, which aue the inlet opening C12) 'leaving position is to be pulled into a closed position. . ■ ~ 2. Closing device according to claim 1, characterized in that one end of the strip (1p »20) on one side of the inlet opening (12) on the
Plate (11) is attached. 3. Locking device according to claim. 2, thereby identified. shows that the strip (13) has a hole (1?) is provided, which with ßer inlet opening (12)
>. ■ ■ aligns when the strip (13) has a partial
- "" assumes the folded position. , 4. Locking device according to claim 2 ^; , characterized in that the strip (13, 20). between the Inlet opening (12) of the plate (11) and the fastening parts at. of the plate (11) is double, and the folded part (15, 22) of the strip is sufficient is long in order to cover the inlet opening (12) ^{when the J} 'strips are fully pulled out. - 5 x Schließvorrichtung.nach claim A, characterized labeled in _T is characterized in that on the dust bag (1O) supporting plate (Ί1) a covering strips (13)
another plate (18) is attached, which the out- 4 0 9834/039 « - s sucked strips in close contact with the inlet opening (12 / ^holds · '■' ·· 6. * - Locking device according to claim 5, characterized in _r -lc.2. the strip (13) consists of relatively lüiiiiem Pspier. -. C-ihlienVcreinrichtung according to claim 4, characterized in that 7- Cihl ^ ei-lnet, de £ der Ctreifeii (13) bus plastic. consists. 8. Z i-lilir -. ^ Device according to claim 2, characterized thereby, 2Plehnet, ■ da2 the strip as an adhesive strip (20)
is made of self-adhesive material. 409834/0398 BAD ORlGiNAL _{Οζ) ργ}