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 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,wherein;
the first part is fixed between the fixing member and the support member,the second part is movable within a predetermined range between the fixing member and the support member, anda plurality of contact portions is provided at an end of the second part so that the contact portions contact the floor.
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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
24 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 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, wherein; the first part is fixed between the fixing member and the support member, the second part is movable within a predetermined range between the fixing member and the support member, and a plurality of contact portions is provided at an end of the second part so that the contact portions contact the floor. - 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; a blade to guide movement of dust swept up by the brush unit, a fixing member to fix the blade to the main body; and a support member to support the blade toward the fixing member; wherein the blade comprises; a first part fixed between the fixing member and the support member; a second part extended from the first part toward a floor and being movable within a predetermined range between the fixing member and the support member; 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)
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21. 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 spaced apart from the second part of the blade to prevent the second part of the blade from being bent in a direction opposite to a direction of travel. - View Dependent Claims (22, 23, 24)
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Specification