Patent ID: 11933093
Assignee: WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A system comprising:
a base configured to be mounted on a transit vehicle above a door;
a carriage assembly movably connected to the base and configured to move with respect to the base, the carriage assembly comprising a motor including a motor output shaft and a motor housing configured to rotate in opposite directions during movement of the door, a driving mechanism configured to couple to the door and coupled to the motor output shaft for movement of the door in a longitudinal direction in response to operation of the motor, and a coordination bar configured to be coupled to the motor housing, the motor housing configured to rotate the coordination bar responsive to operation of the motor to move the door in a lateral direction between an open position and closed position;
a lever coupled to the coordination bard and
a linkage arm configured to be pivotably coupled with the base, the lever and the linkage arm configured to move over center when the carriage assembly is extended with respect to the base to form an over center lock.