Patent ID: 6393993
Filing Date: 2002-05-28
Classification: E01B

Abstract:
A switching system for vehicles traveling along a main path having a merger path intersecting therewith, said switching system comprising: a vehicle; a first guideway traversing said main path; a second guideway vertically spaced from said first guideway traversing in a transition section said merger path and an adjacent portion of said main path; a keel system on said vehicle having an elongated keel member slidably adapted to be slidably conformably received by said first guideway and said second guideway, said keel member having an elongated body extending along the longitudinal axis of said vehicle; actuator means associated with said keel system for selectively moving said keel member from a neutral position spaced from said main path to a first position coacting with said first guideway and a second position coacting with said second guideway; and slot means in said transition section permitting said keel member to move between said first position and said second position.