Vibration type actuator and vibration type driving apparatus

Vibration type actuator and vibration type driving apparatus

  • CN 100,414,092 C
  • Filed: 11/27/1998
  • Issued: 08/27/2008
  • Est. Priority Date: 11/27/1997
  • Status: Active Grant
First Claim
Patent Images

1. vibration-type actuator, has a vibration member that comprises an energy converting between mechanical element and a plurality of elastic members, and one contact with described vibration member be driven parts, wherein said a plurality of elastic member is fixed on the described energy converting between mechanical element so that described energy converting between mechanical element is clipped between described a plurality of elastic member, it is characterized in thatDescribed energy converting between mechanical produces two or more vibrations in two bending vibrations and the extensional vibration simultaneously, wherein the direction of displacement of two bending vibrations is vertical mutually, extensional vibration has the direction of displacement perpendicular to the direction of displacement of described two bending vibrations, and with the described contact surface that is driven the described vibration member that parts contact on produce circulatory motion or elliptical motion so that move the described parts that are drivenOne of wherein said a plurality of elastic members comprise a vibration displacement with part of the rigidity that reduces with the increase bending vibration, and the part with the rigidity that reduces is to strengthen the vibration displacement of extensional vibration.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×