# US 7,744,683 B2 · Transparent filterable dust bag with support container for vacuum cleaner

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- Number: US 7,744,683 B2
- Document ID: US7744683B2
- Status: Granted
- Kind: B2
- Application number: 11/738,602
- Filed: 2007-04-23
- Published: 2008-10-23
- Granted: 2010-06-29
- Earliest claimed: 2007-04-23
- Inventors: Yuejie Zhang
- Web page: https://patentgrep.com/patent/US7744683B2

## CPC

- A47L 9/1418: {Impermeable dust collecting bags}
- Y10S 55/02: Vacuum cleaner bags
- A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08)
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

The removable apparatus of a transparent filterable dust bag with a support container is designed as an attachment for a vacuum cleaner and like. A transparent filterable dust bag having an outer transparent wall and an inner filter cone coincides within a transparent support container which keeping the shape and position of the dust bag while separating dust from air. The transparent support container and the outer transparent wall of the dust bag allow to watch inside the filling level of the dust bag and to replace properly.

## Claims

### Claim 1

An apparatus for use in a vacuum cleaner and like, comprising:
a disposable, flexible transparent filterable dust bag comprising an airtight flexible outer transparent pocket part, an air permeable inner filter part, and reinforcement rings; and
a support container comprising a transparent cup and an inner cone for matching a supporting the dust bag and guiding air flow, wherein
the dust bag has a “W” shaped cross section, the outer transparent pocket part of the dust bag is made of a flexible, transparent, plastic package film material and wherein
the bottom of the inner filter part of the dust bag overlaps and seals against the bottom of the outer transparent pocket part of the dust bag to form the dust bag.

### Claim 2 (depends on 1)

The apparatus as claimed in claim 1, wherein the inner filter part of the dust bag comprises filter material.

### Claim 3 (depends on 1)

The apparatus as claimed in claim 1, wherein the inner filter part of the dust bag has a substantially cone shape.

### Claim 4 (depends on 1)

The apparatus as claimed in claim 1, wherein the reinforcement rings of the dust bag coincide with and strengthen the outer transparent pocket part of the dust bag.

### Claim 5 (depends on 1)

The apparatus as claimed in claim 1, wherein the transparent cup of the support container has substantially chambered ribs.