Invention Application
US20060179997A1 Actuation system for keyboard pedal lyre 失效
键盘踏板琴弦的启动系统

  • Patent Title: Actuation system for keyboard pedal lyre
  • Patent Title (中): 键盘踏板琴弦的启动系统
  • Application No.: US11355033
    Application Date: 2006-02-15
  • Publication No.: US20060179997A1
    Publication Date: 2006-08-17
  • Inventor: David Meisel
  • Applicant: David Meisel
  • Main IPC: G10F1/02
  • IPC: G10F1/02
Actuation system for keyboard pedal lyre
Abstract:
The present invention provides an actuation system for the pedal system of a keyboard instrument. The system includes an actuator with block of ferromagnetic material having a bore, a coil disposed in the bore, and a piston surrounded by the coil, the piston is in mechanical communication with a pedal rod. When the actuator is energized, the piston moves relative to the coil, thereby moving the rod.
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