LOW PROFILE FILTER FOR VACUUM CLEANERS
First Claim
Patent Images
1. A vacuum cleaner comprising:
- a power head includinga blower to induce airflow through the vacuum cleaner and thereby lift and entrain debris for capture within the vacuum cleaner, anda motor to drive the fan;
a debris container to collect the debris; and
a filter comprising filter media that is adjacent the power head along at least two edges of the filter media and spaced from the power head at a center of the filter media.
1 Assignment
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Accused Products
Abstract
A vacuum cleaner having a power head, a collection drum, and a filter. The filter of the present invention is of rectangular cross section about the vertical axis, but is curved away from the power head under the blower along at least one horizontal axis.
9 Citations
17 Claims
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1. A vacuum cleaner comprising:
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a power head including a blower to induce airflow through the vacuum cleaner and thereby lift and entrain debris for capture within the vacuum cleaner, and a motor to drive the fan; a debris container to collect the debris; and a filter comprising filter media that is adjacent the power head along at least two edges of the filter media and spaced from the power head at a center of the filter media. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A vacuum cleaner comprising:
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a power head including a blower to induce airflow through the vacuum cleaner and thereby lift and entrain debris for capture within the vacuum cleaner, and a motor to drive the fan; a debris collection drum positioned below the power head; and a filter positioned below the blower, the filter including filter media that is curved along at least one horizontal axis, such that a middle portion of the filter media is further from the blower than first and second opposing edge portions of the filter media. - View Dependent Claims (9, 10, 11, 12)
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13. A vacuum cleaner comprising:
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a power head including— a blower to induce airflow through the vacuum cleaner and thereby lift and entrain debris for capture within the vacuum cleaner, and a motor to drive the fan; a debris collection drum positioned below the power head; and a filter positioned below the blower, such that a middle portion of the filter is further from the power head than first and second opposing edge portions of the filter. - View Dependent Claims (14, 15, 16, 17)
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Specification