Patents by Inventor Andrew H. Twombly

Andrew H. Twombly 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).

  • Vehicle with lockable tilt system
    Patent number: 8141890
    Abstract: A vehicle that includes a vehicle body and a vehicle support assembly. The vehicle body has a longitudinal axis and is configured for supporting a rider thereon. The support assembly includes first (421A) and second (421B) tilting wheels disposed respectively at different lateral positions with respect to the longitudinal axis, a tilt-mechanism (452) supportively associating the vehicle body from the tilting wheels to enable the vehicle body to tilt through a first tilt range with respect to a surface on which the tilting wheels are disposed, and a tilt-limiter (456) operably associated with the tilt-mechanism (452) to restrict the tilting of the vehicle body to less than the first tilt range, and releasable to allow the tilting through the first tilt range.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: March 27, 2012
    Assignee: Vectrix International Limited
    Inventors: Peter S. Hughes, Andrew H. Twombly, Craig Bliss
  • VEHICLE WITH LOCKABLE TILT SYSTEM
    Publication number: 20100044977
    Abstract: A vehicle that includes a vehicle body and a vehicle support assembly. The vehicle body has a longitudinal axis and is configured for supporting a rider thereon. The support assembly includes first (421A) and second (421B) tilting wheels disposed respectively at different lateral positions with respect to the longitudinal axis, a tilt-mechanism (452) supportively associating the vehicle body from the tilting wheels to enable the vehicle body to tilt through a first tilt range with respect to a surface on which the tilting wheels are disposed, and a tilt-limiter (456) operably associated with the tilt-mechanism (452) to restrict the tilting of the vehicle body to less than the first tilt range, and releasable to allow the tilting through the first tilt range.
    Type: Application
    Filed: April 25, 2007
    Publication date: February 25, 2010
    Inventors: Peter S. Hughes, Andrew H. Twombly, Craig Bliss