FRICTION MEMBER TO CONTACT OPPOSITE MEMBER, METHOD FOR MANUFACTURING FRICTION MEMBER, VIBRATION-TYPE ACTUATOR, AND ELECTRONIC DEVICE

A vibration-type actuator capable of suppressing reduction in holding torque or holding force under influence of humidity. A vibration-type actuator 10 includes a vibrating body 2 and a driven body 1. The vibrating body 2 has a piezoelectric element 2c and an elastic body 2b. The driven body 1 is in...

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Bibliographische Detailangaben
Hauptverfasser:	Tamai, Jun, Araki, Yasuyuki, Morita, Hiromitsu
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERATION HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A vibration-type actuator capable of suppressing reduction in holding torque or holding force under influence of humidity. A vibration-type actuator 10 includes a vibrating body 2 and a driven body 1. The vibrating body 2 has a piezoelectric element 2c and an elastic body 2b. The driven body 1 is in contact with the vibrating body 2. The vibration-type actuator 10 moves the vibrating body 2 and the driven body 1 relatively to each other by vibration excited to the vibrating body 2. At least one of a first contact portion of the vibrating body 2 and a second contact portion of the driven body 1 includes a stainless-steel sintered body with pores and at least some of the pores are impregnated with a resin.