AUTONOMOUS CLEANING DEVICE
First Claim
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1. An autonomous cleaning device comprising:
- a main body having an opening;
a brush unit rotatably provided in the opening of the main body; and
a blade assembly to guide introduction of dust swept up by the brush unit, wherein the blade assembly comprises;
a blade extended toward a floor, the blade having a contact portion to contact with the floor; and
a maintaining portion located behind the contact portion in the direction of travel, the maintaining portion formed of a material different from that of the contact portion.
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Abstract
A blade assembly of an autonomous cleaning device. The blade assembly includes a blade having a first part fixed to the main body and a second part extended from the first part toward a floor and a support member having at least a portion disposed adjacent to the second part of the blade to restrict movement of the second part of the blade to within a predetermined range.
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Citations
9 Claims
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1. An autonomous cleaning device comprising:
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a main body having an opening; a brush unit rotatably provided in the opening of the main body; and a blade assembly to guide introduction of dust swept up by the brush unit, wherein the blade assembly comprises; a blade extended toward a floor, the blade having a contact portion to contact with the floor; and a maintaining portion located behind the contact portion in the direction of travel, the maintaining portion formed of a material different from that of the contact portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification