Sony Corporation

Akihiko Ohashi

Takehisa Ishida

Tetsuo Sekiya

Kanji Murano

Described herein is a rotational bearing system incorporating a ball bearing to support a shaft or housing in freely rotatable state through rolling contact with the ball bearing, the rotational bearing system comprising: vibratory elements adapted to excite in resonant vibration a fixed shaft or a fixed housing in rolling contact with the ball bearings thereby to lower the frictional resistance of the ball bearing.

Bearing system

A rotational bearing system incorporates a ball bearing to support a freely rotatable shaft or housing through rolling contact with the ball bearing, the rotational bearing system comprises: vibratory elements adapted to excite in resonant vibration a fixed shaft or a fixed housing in rolling contact with the ball bearings to lower the frictional resistance of the ball bearing.

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Shizuoka, Japan

Akihiko Ohashi