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US 11,641,989 B2Granted
Brushroll for vacuum cleaner
AssigneeBISSELL Inc.
InventorsGary A. Kasper, Michael D. Graham
Life of this patent
Estimating the term…
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.
Claims20
A brushroll for a household cleaner, the brushroll comprising:
- a brush dowel defining a rotational axis, the brush dowel defining a length and the brush dowel including an outer circumference that is non-cylindrical along at least a portion of the length;
- a set of first bristles protruding from the brush dowel, the set of first bristles forming a first chevron pattern and wherein the set of first bristles comprises multiple sets of first bristles spaced about the outer circumference of the brush dowel in the first chevron pattern;
- and
- a set of second bristles protruding from the brush dowel, the set of second bristles spaced from the set of first bristles and the set of second bristles forming a second chevron pattern.
1 more element
A brushroll for a household cleaner, the brushroll comprising:
- a brush dowel defining a rotational axis and an outer surface with multiple sets of bristles protruding from the brush dowel and spaced about the outer surface, the multiple sets of bristles comprising at least two differing bristles that define separate rows, and each of the separate rows forming a chevron pattern on the brush dowel.
A brushroll for a household cleaner, the brushroll comprising:
- a brush dowel defining a rotational axis, the brush dowel defining a length and the brush dowel including an outer circumference that is non-cylindrical along at least a portion of the length;
- a set of first bristles protruding from the brush dowel, the set of first bristles forming a first chevron pattern and wherein the set of first bristles protrude from the brush dowel in a repeating chevron pattern along at least a portion of the length of the brush dowel;
- and
- a set of second bristles protruding from the brush dowel, the set of second bristles spaced from the set of first bristles and the set of second bristles forming a second chevron pattern.
1 more element
Dependencies are inferred from the claim text.