Patents Examined by Tam Nguyne
  • Rhythmic motion driver
    Patent number: 6659920
    Abstract: A rhythmic motion driver having a case containing flywheels and a guide along which the flywheels move linearly while rotating. A spring is within the case that compresses and expands in response to oscillatory motion of a bar that extends through an opening in the case. The spring compression and expansion is slowed but not dampened by the movement of the flywheels.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: December 9, 2003
    Inventor: Norman Kurz