Multi-strut cleaning head
First Claim
Patent Images
1. A cleaning head for a surface cleaning apparatus, comprising:
- (a) a front portion having at least one dirty fluid inlet, a front, a first side, a spaced apart second side and a transverse length between the first and second sides;
(b) a rear portion connectable to a surface cleaning apparatus and having at least one dirty fluid outlet; and
,(c) a plurality of rigid struts extending between the front portion and the rear portion, at least one of the struts comprises an air-flow passage extending between the front portion and the rear portion and at least two adjacent struts being at least partially spaced apart by a distance and defining an open area between the at least two of the adjacent struts, the open area being substantially devoid of operating components of the cleaning head, wherein the transverse length is greater than the distance;
whereby when the cleaning head is positioned on a surface, the surface is visible through the open area.
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Accused Products
Abstract
A cleaning head for a surface cleaning apparatus has a plurality of struts extending from a front chamber having a dirty air inlet to a rear chamber having a transition duct that is in communication with a filtration apparatus of a surface cleaning apparatus by a dirty fluid outlet. One or more of the struts comprises an airflow passage. In one embodiment, no outer casing is provided surrounding the struts.
40 Citations
32 Claims
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1. A cleaning head for a surface cleaning apparatus, comprising:
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(a) a front portion having at least one dirty fluid inlet, a front, a first side, a spaced apart second side and a transverse length between the first and second sides; (b) a rear portion connectable to a surface cleaning apparatus and having at least one dirty fluid outlet; and
,(c) a plurality of rigid struts extending between the front portion and the rear portion, at least one of the struts comprises an air-flow passage extending between the front portion and the rear portion and at least two adjacent struts being at least partially spaced apart by a distance and defining an open area between the at least two of the adjacent struts, the open area being substantially devoid of operating components of the cleaning head, wherein the transverse length is greater than the distance; whereby when the cleaning head is positioned on a surface, the surface is visible through the open area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A cleaning head for a surface cleaning apparatus, comprising:
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(a) a front portion having at least one dirty fluid inlet; (b) a rear portion connectable to a surface cleaning apparatus and having at least one dirty fluid outlet; (c) a plurality of rigid struts extending between the front portion and the rear portion, at least one of the struts comprises an air-flow passage extending between the front portion and the rear portion and at least two adjacent struts being at least partially spaced apart; and
,(d) a fully enclosed open area that is surrounded by the at least two of the adjacent struts, the front portion and the rear portion, the open area being substantially devoid of operating components of the cleaning head, whereby when the cleaning head is positioned on a surface, the surface is visible through the open area. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification