Patents Assigned to Atlantis Transportation Services Inc.
  • Patent number: 4930612
    Abstract: An elevating roller track assembly having a base member and a lift bar located in a channel which is formed in the base member. The lift bar is slidably mounted for longitudinal movement relative to the base member. A first elevator ramp is mounted on the lift bar. The first ramp has a first ramp face which is inclined upwardly toward a first end of the base member. A roller support member is slidably mounted in the base for longitudinal movement. The roller support member has a bottom wall overlying the lift bar. A plurality of load supporting rollers are mounted for rotation on and extending upwardly from the roller support member. A second elevator ramp is mounted on the bottom wall of the roller support. The second elevator ramp has a second ramp face which extends parallel to the first ramp face in a face-to-face relationship therewith.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: June 5, 1990
    Assignee: Atlantis Transportation Services Inc.
    Inventor: Robert J. Thorndyke