H - Electricity – 01 – L
Patent
H - Electricity
01
L
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H01L 41/08 (2006.01) H01L 41/09 (2006.01)
Patent
CA 1262471
ABSTRACT OF THE DISCLOSURE An ultrasonic motor comprising a vibrating stator having a piezoelectric element for producing a travelling wave, an object to be driven by driving force based on the travelling wave, and a friction body comprising a rbber-like elastic material and aromatic polyamide fiber for trasmitting the driving force from the driving stator to the object. The friction body is provided between the vibrating stator and the object in a manner to give sufficient contact therebetween to transmit the driving force by friction. The novel combination of rubber-like elastic material and aromatic polyamide fiber provides a motor haivng superior operating characteristics and longevity over conventional ultrasonic motors.
522567
Imasaka Yoshinobu
Sumihara Masanori
Tokushima Akira
Yoneno Hiroshi
Borden Ladner Gervais Llp
Matsushita Electric Industrial Co. Ltd.
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