Magnetically supported sliding track system
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United States of America Patent
Stats
-
Sep 20, 2011
Grant Date -
Feb 19, 2009
app pub date -
Aug 16, 2007
filing date -
Aug 16, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A sliding door or window supporting system has a stationary frame with a bottom track and a sliding portion that slides from a closed position to an open position. The bottom portion of the sliding portion and the upper surface of stationary frame track are provided with one or more magnets having identical magnetic polarity, thereby creating repulsion between the bottom of the sliding portion and the stationary track. Forces produced by magnetic repulsion lift the weight of the sliding portion, creating an air gap. A smooth, low friction sliding and door gliding movement results, which is immune to dirt and debris. The front to back movement of the sliding portion is supported by low friction polymeric knobs attached to a stationary frame and contacting sliding portion.
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