Robotic floor cleaning device with expandable wheels
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United States of America Patent
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Feb 9, 2021
Grant Date -
N/A
app pub date -
Jan 14, 2019
filing date -
Mar 3, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a wheel including: a main housing with a series of apertures disposed radially thereabout; an inner shaft disposed within the main housing and rotatably coupled thereto; a set of spokes distributed radially around the inner shaft and attached thereto at a first end, each spoke positioned within one of the series of apertures in the main housing; a set of linkages distributed radially around the inner shaft and attached to a second end of the spokes, the linkages positioned within the apertures; and a set of rollers distributed radially around the inner shaft and mounted on the linkages; wherein the spokes, linkages, and rollers can be moved from a first, contracted position, to a second, expanded position.
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Cited Art Landscape
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