Patents by Inventor Duncan Gilmartin

Duncan Gilmartin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Torsion bar assembly and method, particularly for rail vehicle anti-roll bar
    Patent number: 8640630
    Abstract: A heavy duty torsion bar assembly, particularly an anti-roll bar assembly for a rail vehicle, includes a lever which is mounted on the bar by an oil injection taper fit, the cooperating surfaces having a drainage groove and being formed to a tolerance of IT7 or better, wherein the final assembled position is determined by a pre-defined axial displacement of the lever from an initial position defined by manual engagement of the two parts.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: February 4, 2014
    Assignee: Bombardier Transporation GmbH
    Inventors: Duncan Gilmartin, Paul Butler
  • TORSION BAR ASSEMBLY AND METHOD, PARTICULARLY FOR RAIL VEHICLE ANTI-ROLL BAR
    Publication number: 20120304888
    Abstract: A heavy duty torsion bar assembly, particularly an anti-roll bar assembly for a rail vehicle, includes a lever which is mounted on the bar by an oil injection taper fit, the cooperating surfaces having a drainage groove and being formed to a tolerance of IT7 or better, wherein the final assembled position is determined by a pre-defined axial displacement of the lever from an initial position defined by manual engagement of the two parts.
    Type: Application
    Filed: November 9, 2010
    Publication date: December 6, 2012
    Applicant: Bombardier Transportation GmbH
    Inventors: Duncan Gilmartin, Paul Butler