Patents by Inventor Raymond H. Boshier

Raymond H. Boshier 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).

  • Pendulum vibration isolator and damper
    Patent number: 4893796
    Abstract: A vibration isolator comprises a helical spring support between a base 3 and a cap 8 from which depends a pendulum rod 14 carrying at its lower end a ball joint 16. A pneumatic damper in the form of a piston 24 forms a gas compression chamber with the cap 8. A friction disc 22 encircles the pendulum rod 14. The natural resonant frequencies of the spring 11 and the pendulum may be selected to be very low, such as 4 to 5 Hertz.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: January 16, 1990
    Assignee: Racal Marine Electronics Limited
    Inventors: Derek F. Hickman, Raymond H. Boshier