B - Operations – Transporting – 60 – J
Patent
B - Operations, Transporting
60
J
B60J 5/06 (2006.01) B61D 19/00 (2006.01) E05F 15/12 (2006.01) E05F 15/14 (2006.01) E05F 17/00 (2006.01)
Patent
CA 2269279
A biparting transit vehicle door system operator. The operator includes a base for attachment to the mass transit vehicle and a motive power source connected to a transmission having an output power shaft. Such operator further includes a teeter plate having a shaft engaging portion for engaging the shaft. The shaft has a teeter plate engaging portion for engaging the operator teeter plate. A thrust bearing is in mechanical contact with a hub portion of the teeter plate and a spring is in mechanical contact with the thrust bearing to exert a first axial thrust thereon. The thrust bearing communicating the first axial thrust to the teeter plate so that the shaft engaging portion of the teeter plate engages the teeter plate engaging portion of the shaft. The operator includes a release member having mechanical contact with the hub portion of the teeter plate for exerting a second axial thrust on the teeter plate. The second axial thrust being opposed to the first axial thrust so that the teeter plate may be disengaged from the shaft by the release member. A pair of drive rod pivots are attached to the teeter plate. Such pair of drive rod pivots are connected to a pair of drive rods for opening and closing the pair of biparting doors.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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