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US 9,682,600 B2Granted
Rotatable rail device and method for placing a truck onto a set of tracks
AssigneeMass. Electric Construction Co.
InventorJames Claypool
Life of this patent
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Abstract
A rail gear system and a method for placing a truck on railroad tracks are provided in which the truck can be placed into the set of railroad tracks using a short siding. The rail gear may be mounted on a back portion of the truck and may rotate so that the a rear portion of the truck rotates about the track when the rail gear is engaged with the set of railroad tracks.
Claims8
A method for placing a truck on a set of tracks, comprising:
- backing a truck onto a set of tracks;
- engaging a rotatable rail device located at a back portion of the truck adjacent a rear set of wheels with the set of tracks, the rotatable rail device having a rotation mechanism has a first unlocked position in which the rotation mechanism rotates freely relative to the truck and a second unlocked position in which the rotation mechanism is rotatable in a limited arc when the rail device is engaged with the track;
- maintaining the rotation mechanism in the first unlocked position;
- rotating the truck about the rotatable rail device using the rotation mechanism as the truck is backed up onto the set of tracks wherein the truck is placed onto the set of tracks on a short siding;
- and
- placing the rotation mechanism on the rotatable rail device into the second unlocked position in which the rotation mechanism is rotatable in a limited arc when the rotatable rail device is engaged with a track of the set of tracks.
3 more elements
Dependencies are inferred from the claim text.