Robot cleaner
First Claim
1. A robot cleaner comprising:
- a main body in which a dust suction unit is disposed;
holders disposed at sides of the dust suction unit; and
an agitator installed on the holders to remove foreign substances from a working area,wherein the agitator comprises a fixing shaft having a non-circular shape and providing a rotation center, and one of the holders comprises a shaft insertion part in which one portion of the fixing shaft is inserted,wherein the fixing shaft is rotated together with the agitator, andwherein another of the holders comprises a coupling hole in which another portion of the fixing shaft is inserted, the coupling hole is opened with a length corresponding to a width of the another portion of the fixing shaft.
1 Assignment
0 Petitions
Accused Products
Abstract
According to an embodiment of the present disclosure, an installation structure for an agitator installed in a dust suction unit of a robot cleaner to scatter foreign substances distributed in a working area comprises: a holder which is connected to a driving motor for providing a torque to the agitator and has a part exposed to the inside of the dust suction unit; and a fixing shaft for forming a rotation shaft of the agitator and having a shape of a polygonal pillar or a shape of a pillar including at least one projection, wherein a shaft insertion part is formed in the holder, has a dented shape corresponding to the shape of the fixing shaft, and can be engaged and rotated with the fixing shaft while the fixing shaft is inserted into and installed at the holder. According to an embodiment of the present disclosure, the easy separation and installation of the agitator and the enablement of simultaneous rotation of the agitator and a side brush can improve user satisfaction.
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Citations
11 Claims
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1. A robot cleaner comprising:
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a main body in which a dust suction unit is disposed; holders disposed at sides of the dust suction unit; and an agitator installed on the holders to remove foreign substances from a working area, wherein the agitator comprises a fixing shaft having a non-circular shape and providing a rotation center, and one of the holders comprises a shaft insertion part in which one portion of the fixing shaft is inserted, wherein the fixing shaft is rotated together with the agitator, and wherein another of the holders comprises a coupling hole in which another portion of the fixing shaft is inserted, the coupling hole is opened with a length corresponding to a width of the another portion of the fixing shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A robot cleaner comprising:
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a main body in which a dust suction unit is disposed; holders disposed at sides of the dust suction unit; and an agitator installed on the holders to remove foreign substances from a working area, wherein the agitator comprises a first fixing shaft having a non-circular shape and protruded from one side thereof, and a second fixing shaft protruded from the other side of the agitator, wherein the holders comprises a first holder provided with a shaft insertion part in which the first fixing shaft is inserted, and a second holder provided with a coupling portion in which the second fixing shaft is inserted after inserting the first fixing shaft in the shaft insertion part, wherein the first holder is rotated together with the agitator.
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11. A robot cleaner comprising:
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a main body in which a dust suction unit is disposed; holders disposed at sides of the dust suction unit; and an agitator installed on the holders to remove foreign substances from a working area, wherein the agitator comprises a first fixing shaft and protruded from one side thereof, and a second fixing shaft having a non-circular shape and protruded from the other side of the agitator, wherein the holders comprises a first holder provided with a shaft insertion part in which the first fixing shaft is inserted, and a second holder provided with a coupling portion in which the second fixing shaft is inserted after inserting the first fixing shaft in the shaft insertion part, wherein the second holder is rotated together with the agitator.
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Specification