Escalator or travelator
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United States of America Patent
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Dec 21, 2010
Grant Date -
Jan 29, 2009
app pub date -
May 14, 2007
filing date -
May 16, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An escalator or travelator comprising a circulating step belt or panel belt. Each step or panel of a belt is provided on each side respectively with a supporting roller and a chain roller, which are guided on supporting roller rails and chain roller rails in forward travel and in return travel. Supporting roller return travel rails are adapted to support the supporting roller only partially.
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