Bridges – Gangway – ramp – or dock leveler – Attached
Patent
1996-12-30
1999-01-05
Lisehora, James
Bridges
Gangway, ramp, or dock leveler
Attached
14 725, 180411, E01D 100
Patent
active
058550356
ABSTRACT:
A method and apparatus for reducing skidding of wheels on a passenger boarding bridge is provided. The method includes the steps of receiving a travel direction (505), providing a skid compensation control signal (506) to an actuator (728) in response to the travel direction, and aligning by the actuator the wheel (214, 216) in response to the skid compensation control signal. A passenger boarding bridge (110) is provided that includes an extensible tunnel (114) with a fixed end (124) and a free end (116). A plurality of wheels (204, 206, 214, 216) are placed on the free end for moving the free end of the tunnel in a desired direction. The bridge includes a steering mechanism (502) for controlling the direction of movement of the free end and a control system (500) for aligning at least one of the wheels to reduce skidding. The control system includes a computing device (504) for generating a control signal and an actuator for rotating at least one of the wheels in response to the control signal.
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Gross Dana W.
Streeter Raymond K.
Lisehora James
Thyssen Stearns, Inc.
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