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US 7,744,683 B2Granted
Transparent filterable dust bag with support container for vacuum cleaner
OwnerYuejie Zhanginventor
Life of this patent
Estimating the term…
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.
Claims5
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.
2 more elements
Dependencies are inferred from the claim text.