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Article: Japanese Inventors Develop Ball Bearing
- Article from:
- US Fed News Service, Including US State News
- Article date:
- July 21, 2006
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ALEXANDRIA, Va., July 21 -- Takayuki Yatabe, Hisato Yamamoto, Yasuhisa Terada, Takashi Ogawa, Tsuyoshi Koshi, Hiroya Achiha and Shoji Noguchi, all from Kanagawa, Japan, have developed a ball bearing that is used to support a rotary shaft, which is disposed in a fan motor of an electric cleaner for domestic use.
According to the U.S. Patent & Trademark Office: "An outer ring is formed so as to have a large thickness and the pitch circle diameters of balls are shifted to the inside diameter side of the present ball bearing."
An abstract of the invention, released by the Patent Office, said: "The radiuses of curvature of the section shapes of an outer ring raceway and an inner ring raceway ...