Method and device for protection against guiding loss for a guided vehicle
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United States of America Patent
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-
Jan 31, 2017
Grant Date -
Apr 23, 2015
app pub date -
Apr 30, 2013
filing date -
Jun 20, 2012
priority date (Note) -
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Abstract
A guided vehicle includes a guidance unit having first and second V-mounted guide pulleys resting on first and second running surfaces of a guide rail. The running surfaces are on sides of a median longitudinal plane of the guide rail and each pulley has a flange for freely gripping the guide rail. A device and method protecting against loss of vehicle guidance include a section with longitudinal height fixed along its length to a guide rail part, between running surfaces, the section having a cross-section guiding the unit during derailment or loss of guidance thereof with the section fixed to the guide rail part. The cross-section geometry holds the first pulley flange on the side of the median plane including the first pulley running surface and the second pulley flange on the side including the second pulley running surface. A device fixes the section to the guide rail.
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