Hi-rail device
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United States of America Patent
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app pub date -
Oct 25, 2017
filing date -
Oct 31, 2016
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Abstract
There is described a hi-rail device comprising a cam assembly, an axle assembly and a locking pin. The cam assembly comprises a guiding slot which comprises a plurality of contiguous segments extending as a broken line, e.g., in a flattened M shape, wherein a first one and a last one of the contiguous segments extend in a downward slope with respect to a horizon. The locking pin inserted in the guiding slot and movable in translation within the guiding slot in which it is inserted. The axle assembly, in which the locking pin is inserted, has a weight applied on the locking pin which locks the locking pin in the lower end or the upper end of the guiding slot if the locking pin is in the first one or the last one of the four contiguous segments and no other force is applied thereonto.
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