Patents Represented by Attorney Chapmen and Cutler LLP

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  • Device for mechanically and electrically checking the switching device of a railway switch machine
    Patent number: 7191986
    Abstract: In a device for checking the operation of devices (4) used to displace movable switch parts (2, 3), in which the movable switch parts (2, 3) are connected with each other by a coupling rod (13), the coupling rod (13) is comprised of two coupling rod parts (14, 15) that are relatively movable in the axial direction. Sensors (34, 35) are provided for the detection of at least two different displacement positions of the coupling rod parts (14, 15).
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: March 20, 2007
    Assignees: VAE Eisenbahnsysteme GmbH, VAE Aktiengesellschaft
    Inventors: Herbert Achleitner, Anton Schaffer, Josef Hörtler