Retractable step
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United States of America Patent
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Sep 14, 2010
Grant Date -
Oct 16, 2008
app pub date -
Sep 17, 2004
filing date -
Sep 18, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A retractable step for a rail vehicle includes a treadable region having lateral guides, a front edge, a guide region, a first roller disposed on the rail vehicle, and a second roller disposed in a guide. The guide has a configuration that is one or more of oblique, curved or bent. Also included is a transition area between the treadable region and the guide region. The transition area is configured to have one or more of a bend and a curvature and has an upwardly convex shape.
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