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公开(公告)号:US12156627B2
公开(公告)日:2024-12-03
申请号:US16832860
申请日:2020-03-27
Applicant: BISSELL Inc.
Inventor: Gary A. Kasper
Abstract: A vacuum cleaner for removing debris from a surface to be cleaned includes a suction chamber having a suction nozzle opening, a source of suction in fluid communication with the suction chamber, a brushroll provided within the suction chamber, and a roller provided in a roller chamber in front of the brushroll.
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公开(公告)号:US11641989B2
公开(公告)日:2023-05-09
申请号:US17034565
申请日:2020-09-28
Applicant: BISSELL Inc.
Inventor: Gary A. Kasper , Michael D. Graham
CPC classification number: A47L9/0477 , A46B3/16 , A46D1/08 , A46D3/042 , A47L5/26 , A47L9/1616 , A47L9/1683 , A46B9/12 , A46B13/006
Abstract: A brushroll dowel for a vacuum cleaner has a bristle stiffener protruding from a brush dowel. A plurality of stiffened bristles protrude from the brush dowel adjacent to the bristle stiffener, and a plurality of unstiffened bristles also protrude from the brush dowel and are non-adjacent to the bristle stiffener.
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