Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2011-04-12
2011-04-12
Redding, David A (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S339000, C015S352000
Reexamination Certificate
active
07921506
ABSTRACT:
A robot cleaner is provided that includes a body having a receiving portion configured to receive a dust tank mounted thereto, a detector installed at the receiving portion that detects whether the dust tank has been separated from the body by an interaction with the dust tank, and a controller that controls a suction motor installed in the body according to a detection result of the detector. When the dust tank is separated from the receiving portion, the detector detects the separated state of the dust tank immediately and the controller stops the suction motor, thus, preventing dust from being introduced into the body.
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Baek Oh-Hyun
Im Hyoung-Deuk
KED & Associates LLP
LG Electronics Inc.
Redding David A
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