Autonomous coverage vacuum cleaner having roller brush capable of resilient vertical displacement and roller brush frame unit for the same
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United States of America Patent
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Dec 15, 2015
Grant Date -
May 22, 2014
app pub date -
Jan 16, 2013
filing date -
Nov 20, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided are an autonomous coverage vacuum cleaner and a roller brush frame unit for use therewith. The autonomous coverage vacuum cleaner includes a body, the roller brush frame unit, and at least a roller brush. The roller brush frame unit includes a roller brush frame, a connection frame, and a resilient connection element. The connection frame is disposed at a bottom of the body. The resilient connection element is connected between the roller brush frame and the connection frame. The roller brush frame moves vertically relative to the connection frame and the body when subjected to an external force. The roller brush is rotatably disposed at the roller brush frame. The roller brush frame unit enables the roller brush of the autonomous coverage vacuum cleaner to lift and drop resiliently and automatically according to the condition of the floor.
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