Patents by Inventor Michael L. Grimes

Michael L. Grimes 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).

  • Patent number: 4884992
    Abstract: Coin-dispensing apparatus having a general shape of a hand gun and provided with a trigger for manually advancing an endless belt formed with coin receptacles or pockets for receiving coins as they are fed by gravity from a reservoir, such advancing endless belt moving such coins to an outlet of the apparatus where such coins are directed into a coin-receiving machine such as a slot machine or the like. The apparatus is attachable to such coin-receiving machine and includes an adjustable cam member whereby the number of coins dispensed by the apparatus with a single actuation of the trigger can be varied within limits.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: December 5, 1989
    Inventor: Michael L. Grimes
  • Patent number: 4766984
    Abstract: A vibration absorber is provided having a pendulum (12) mounted on a body (21) for oscillation about an axis (13). A pair of resilient members (14, 15) are mounted on the body (21) in contact with the pendulum (12) in preloaded opposed relation with respect to oscillation of the pendulum (12) about the axis (13) and resonant at the frequency of the vibration. A pair of resilient members (16, 17) are mounted on the body (21) to contact the pendulum (12) only upon oscillation of magnitude beyond a predetermined limit.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: August 30, 1988
    Assignee: Bell Helicopter Textron Inc.
    Inventors: Troy M. Gaffey, David L. Kidd, Michael L. Grimes