SURFACE TREATING HEAD
First Claim
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1. A surface treating head comprising a main body;
- a suction cavity in the main body comprising first and second suction channels, each of which is bounded on one side by a working edge;
an air duct interposed between the first and second suction channels for conveying air towards the working edges;
a brush unit and a drive mechanism for moving the brush unit between a stowed position in which the air duct is open to the atmosphere and a deployed position in which the air duct is closed.
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Abstract
A surface treating head includes a main body, a suction cavity in the main body including first and second suction channels, each of which is bounded on one side by a working edge, an air duct interposed between the first and second suction channels for conveying air towards the working edges, a brush unit and a drive mechanism for moving the brush unit between a stowed position in which the air duct is open to the atmosphere and a deployed position in which the air duct is closed.
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Citations
22 Claims
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1. A surface treating head comprising a main body;
- a suction cavity in the main body comprising first and second suction channels, each of which is bounded on one side by a working edge;
an air duct interposed between the first and second suction channels for conveying air towards the working edges;
a brush unit and a drive mechanism for moving the brush unit between a stowed position in which the air duct is open to the atmosphere and a deployed position in which the air duct is closed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
- a suction cavity in the main body comprising first and second suction channels, each of which is bounded on one side by a working edge;
Specification