Article: Japanese Inventor Develops Electric Motorized Hinge Apparatus

ALEXANDRIA, Va., Dec. 12 -- Yoshihide Tonogai of Koriyama, Japan, has developed an electric hinge apparatus for rotating a movable object by a motor provided with a gear mechanism.

According to the U.S. Patent & Trademark Office: "In an electric motorized hinge apparatus, a biasing means maintains a concavo-convex engagement state between a third rotating member and a second engagement portion in a second rotating member, and thus the second rotating member rotates to follow the third rotating member. Furthermore, the biasing means maintains a concavo-convex holding state between a first engagement portion in the second rotating member and a first rotating member, and thus the first ...

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