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US 2012/0054980 A1Published application
Robot cleaner
AssigneeSamsung Electronics Co., Ltd.
InventorsDong Won KIM, Jae Man Joo, Jun Pyo Hong, Chang Woo Kim
Life of this patent
Estimating the term…
Abstract
A robot cleaner that is capable of preventing dust collected in a dust tank from flowing backward outside when a situation in which the dust may be discharged outside occurs includes a cleaner body, a dust tank mounted in the cleaner body to collect dust, and a backward-flow preventing device to prevent dust from flowing backward outside through a suction port of the dust tank. The backward-flow preventing device includes a shutter unit to open and close the suction port and a stopper unit to drive the shutter unit.
Claims3
A robot cleaner comprising:
- a cleaner body;
- and
- a dust tank removably mounted to the cleaner body to collect dust, the dust tank including a shutter unit to prohibit dust collected in the dust tank from flowing outside through a suction port of the dust tank, the shutter unit having a shutter member movable between an open position and a closed position to open and close the suction port, the shutter unit configured such that the shutter member automatically moves to the closed position when the dust tank is removed from the cleaner body or when the cleaner body with the dust tank mounted thereto is lifted off from a floor, and the shutter member automatically moves to the open position when the cleaner body with the dust tank mounted thereto is placed on the floor,
- wherein the shutter unit is capable of moving the shutter member to the open position without engaging any part of the dust tank with the floor.
1 more element
Dependencies are inferred from the claim text.