Roller assembly for traveling over surfaces
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United States of America Patent
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Sep 17, 2013
Grant Date -
N/A
app pub date -
Sep 25, 2012
filing date -
Sep 25, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Described is a mechanism for traveling over carpet and other uneven or resistant surfaces and objects. The mechanism may be used in connection with office chairs, desk chairs, school chairs, dinner table chairs, lounge chairs, shopping carts, and the like. A base assembly includes relatively large spheres of a rigid or pliant material. The spheres operate in any direction with the assistance of a set of bearings. The spheres allow improved operation over surfaces compared to castors and other known mechanisms. The spheres substantial reduce floor wear and provide improved stability.
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Family
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Cited Art Landscape
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