Distribution Patents (Class 84/359)
  • Resonator tuning adjustment for keyboard percussion instruments
    Patent number: 4941386
    Abstract: A tuning means for the resonators of keyboard percussion instruments, particularly the lower note resonators of marimbas. A threaded cap and collar provide pitch adjustment while a holding means maintains the adjustment so that vibration buzzing of the adjusting parts is prevented.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: July 17, 1990
    Assignee: The Selmer Company
    Inventor: Leigh H. Stevens
  • Volume adjuster for air operated musical instruments
    Patent number: 4132144
    Abstract: A volume adjuster for an air operated instrument such as an electric organ includes a shutter valve which can be slid across the delivery duct of the instrument blower by means of a slider movable in a linear guide on a flat keyboard surround so as to permit fine adjustment of the volume.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: January 2, 1979
    Assignee: Comus S.p.A.
    Inventor: Paolo Bontempi