Patents by Inventor Roger Anderton Ashworth

Roger Anderton Ashworth 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).

  • Protection of occupants of a vehicle
    Patent number: 4103754
    Abstract: An inertial device is provided for location in a road vehicle independently of a seat belt retractor, and is arranged to actuate the locking mechanism of the retractor in response to a predetermined acceleration. The device may be operable in response to application of the vehicle brakes. The device may be associated with more than one seat belt and may be held electrically against a spring bias in the locked position, for release on sensing the predetermined acceleration.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: August 1, 1978
    Assignee: Kangol Magnet Limited
    Inventors: Roger Anderton Ashworth, John Michael Pollitt, Graham Colin White