AUTONOMOUS CLEANING DEVICE
First Claim
Patent Images
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 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 provided at a rear of the blade in a travel direction of the main body to prevent the second part of the blade from being bent in a direction opposite to the travel direction of the main body.
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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.
29 Citations
30 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 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 provided at a rear of the blade in a travel direction of the main body to prevent the second part of the blade from being bent in a direction opposite to the travel direction of the main body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. 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 to guide movement of dust swept up by the brush unit, wherein the blade comprises; a first part fixed to the main body; a second part extended from the first part toward a floor; and a plurality of contact portions formed at an end of the second part so that the contact portions contact the floor. - View Dependent Claims (18, 19, 20, 21)
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22. 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 movement of dust swept up by the brush unit, wherein the blade assembly comprises; 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 fixing member disposed above the blade to push at least a portion of the second part of the blade so that an end of the second part of the blade remains in tight contact with the floor. - View Dependent Claims (23, 24, 25, 26)
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27. 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 to guide movement of dust swept up by the brush unit, wherein the blade comprises; a first contact portion formed at a front of an end of the blade in a direction of travel so that the first contact portion protrudes downward; and a second contact portion provided at a rear of the first contact portion in the direction of travel so that the second contact portion is disposed in a longitudinal direction of the blade to support the first contact portion so that the first contact portion does not fall into valleys of a rugged floor.
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28. 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 movement of dust swept up by the brush unit, wherein the blade assembly comprises; a blade having a first part fixed to the main body and a second part extended from the first part toward a floor; a fixing member disposed above the blade to push at least a portion of the second part of the blade so that an end of the second part of the blade remains in tight contact with the floor; and a support member provided at a rear of the blade in a travel direction of the main body to prevent the second part of the blade from being bent in a direction opposite to the travel direction of the main body. - View Dependent Claims (29, 30)
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Specification