Importance

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Abstract

A bi-modal mechanically trackable vehicle adapted to be rail driven with or without a guide track, the vehicle including at least one non-steerable axle having non-steerable wheels mounted thereon, a plurality of tracking transverse guide rollers are provided for guiding the vehicle along the track. The transverse guide rollers are at least indirectly mounted at the non-steerable axle in an area of the respective wheels so as to be transversely displaceable. The non-steerable axle is mounted on the vehicle so as to be freely pivotable about a vertical axis. An arrangement is provided for automatically selectively locking the at least one non-steerable axle in an exact transverse position for driving without a guide track and for unlocking the at least one non-steerable axle from the exact transverse position. The locking and unlocking arrangement includes a latch longitudinally displaceably mounted on the non-steerable axle and a retainer mounted on the frame of the vehicle so as to be immovable at least in a transverse direction. The retainer includes a latch retainer adapted to engage the latch in a substantially shape-fitting fashion when the at least one non-rotatable steering axle is in the exact transverse position.

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First Claim