Claims
- 1. A vibration driven motor or actuator comprising:
- a vibration member for generating a vibration wave by an applied electrical signal and having a first contact surface; and
- a contacting member having a second contact surface which frictionally contacts the first contact surface of said vibration member and for receiving the vibration generated in said vibration member,
- wherein one of said first and second contact surfaces is formed of a composite resin prepared by filling one of aromatic polyimide, thermosetting polyimide, a pitch-based carbon fiber, and a molybdenum disulfide powder in a polytetrafluoroethylene resin as a base material, and the other contact surface is formed of an aluminum alloy containing silicon powder.
- 2. A vibration driven motor or actuator according to claim 1, wherein said composite resin is a thermosetting polyimide.
- 3. A vibration driven motor or actuator according to claim 1, wherein a content of the thermosetting polyimide falls within a range from 10 vol. % to 40 vol. %.
- 4. A vibration driven motor or actuator according to claim 1, wherein said composite resin is a aromatic polyimide.
- 5. A vibration driven motor or actuator according to claim 1, wherein a content of said aromatic polyimide is 20 vol. %.
- 6. A vibration driven motor or actuator according to claim 1, wherein a content of said silicon powder falls within a range from 20 wt. % to 50 wt. %.
- 7. A vibration driven motor or actuator according to claim 1, wherein a content of said silicon powder is 25 wt. %.
- 8. A vibration driven motor or actuator according to claim 1, wherein said composite resin is provided on ridges formed in an interdigital pattern.
- 9. A vibration driven motor or actuator according to claim 1, wherein said vibration member has a plurality of ridges formed in an interdigital pattern, and said composite resin is provided on said ridges.
- 10. A vibration driven motor or actuator according to claim 9, wherein said contact member is rotatably supported at a predetermined position.
- 11. A vibration wave driven motor or actuator comprising:
- a vibration member for generating a vibration travelling wave by an applied electrical signal and having a first contact surface; and
- a contacting member having a second contact surface which frictionally contacts the first contact surface of said vibration member and for receiving the vibration travelling wave generated in said vibration member,
- wherein one of said first and second contact surfaces is formed of a composite resin prepared by filling one of aromatic polyimide, thermosetting polyimide, a pitch-based carbon fiber, and a molybdenum disulfide powder in a polytetrafluoroethylene resin as a base material, and the other contact surface is formed of an aluminum alloy containing silicon powder.
- 12. A vibration wave driven motor or actuator according to claim 11, wherein said composite resin is a thermosetting polyimide.
- 13. A vibration wave driven motor or actuator according to claim 11, wherein a content of the thermosetting polyimide falls within a range from 10 vol. % to 40 vol. %.
- 14. A vibration wave driven motor or actuator according to claim 11, wherein said composite resin is a aromatic polyimide.
- 15. A vibration wave driven motor or actuator according to claim 11, wherein a content of said aromatic polyimide is 20 vol. %.
- 16. A vibration wave driven system comprising:
- a vibration member for generating a vibration wave by an applied electrical signal and having a first contact surface; and
- a rotor having a second contact surface which frictionally contacts the first contact surface of said vibration member and for receiving the vibration wave generated in said vibration member,
- wherein one of said first and second contact surfaces is formed of a composite resin prepared by filling one of aromatic polyimide, thermosetting polyimide, a pitch-based carbon fiber, and a molybdenum disulfide powder in a polytetrafluoroethylene resin as a base material, and the other contact surface is formed of an aluminum alloy containing silicon powder; and
- a member for driving a load of the system by a rotational force of said rotor.
- 17. A vibration wave driven system according to claim 16, wherein said composite resin is a thermosetting polyimide.
- 18. A vibration wave driven system according to claim 16, wherein a content of the thermosetting polyimide falls within a range from 10 vol. % to 40 vol. %.
- 19. A vibration wave driven system according to claim 16, wherein said composite resin is a aromatic polyimide.
- 20. A vibration wave driven system according to claim 16, wherein a content of said aromatic polyimide is 20 vol. %.
Priority Claims (1)
Number |
Date |
Country |
Kind |
4-021163 |
Feb 1992 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 08/014,221 filed Feb. 5, 1993 now abandoned.
US Referenced Citations (10)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0023075 |
Jan 1990 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
14221 |
Feb 1993 |
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