Patents by Inventor Richard L. Carty

Richard L. Carty 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).

  • Electro-pneumatic action for player piano
    Patent number: 3998122
    Abstract: The specification discloses a player piano action comprising an electric motor, a roll drive, and vacuum actuated automatic transmission which incorporates a traveling cylindrical housing to operatively engage and disengage the take-up and rewind spools. The action incorporates a pneumatic stack which is constructed to permit access to all bleed holes without disassembly. The vacuum for actuating the notes is supplied via a foot pump which is hinge mounted to facilitate repair of and access to the piano action.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: December 21, 1976
    Inventors: Richard L. Carty, Iver F. Becklund