Escalator or moving sidewalk
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United States of America Patent
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Apr 27, 2010
Grant Date -
Oct 23, 2008
app pub date -
Mar 17, 2005
filing date -
Mar 17, 2004
priority date (Note) -
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Abstract
An escalator or moving sidewalk exhibits a frame for the formation of a supporting structure between entry and exit that is made at least partially of perforated plate, with the holes in particular being provided over a significant part of the frame height, preferably roughly one half the frame height.
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Cited Art Landscape
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