Brushroll for vacuum cleaner
First Claim
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1. A brushroll for a vacuum cleaner, comprising:
- a dowel defining a central rotational axis and having at least one axial segment;
a bristle stiffener defining the axial length of the axial segment;
a plurality of first bristles protruding from the dowel adjacent to the bristle stiffener; and
a counterbalance within at least a portion of the axial segment and positioned relative to the bristle stiffener to rotationally balance the at least one axial segment about the central rotational axis;
wherein the cross-sectional shape of the dowel is asymmetrical along the at least one axial segment.
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Abstract
A brushroll for a vacuum cleaner includes a dowel defining a central rotational axis about which the brushroll rotates, at least one bristle stiffener, a plurality of first bristles protruding from the dowel adjacent to the bristle stiffener, and a counterbalance which is positioned relative to the bristle stiffener to rotationally balance the brushroll, wherein the cross-sectional shape of the dowel is asymmetrical.
32 Citations
20 Claims
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1. A brushroll for a vacuum cleaner, comprising:
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a dowel defining a central rotational axis and having at least one axial segment; a bristle stiffener defining the axial length of the axial segment; a plurality of first bristles protruding from the dowel adjacent to the bristle stiffener; and a counterbalance within at least a portion of the axial segment and positioned relative to the bristle stiffener to rotationally balance the at least one axial segment about the central rotational axis; wherein the cross-sectional shape of the dowel is asymmetrical along the at least one axial segment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification