Patent ID: 7673567
Filing Date: 2010-03-09
Classification: B61B,B61C,E01B,Y02T

Abstract:
1. A track and linkage device for a vehicle designed to run on a track and powered by a turbofan engine, the track and linkage device comprising: a track member defining a channel having an open upper end and a plurality of ball bearings in the channel such that at least a portion of the ball bearings project through the open upper end of the channel, the ball bearings being at least partially coated with a material for reducing friction; and a connector member associated with a vehicle, the connector member having a slide surface thereon which slides on the ball bearings in the track member, the slide surface including a material on at least a portion of thereof for reducing friction when moving over the ball bearings, the connector member comprising a connecter strip running along at least a portion of the length of the vehicle, the connector member having an upper surface connected to or part of the vehicle, and a lower surface which comprises the slide surface, the connector member having a pair of downwardly extending flanges from the lower surface of the connector member, the flanges being substantially adjacent an outer portion of the track member to stabilize the position of the vehicle on the track member.