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US Patent 7140071 Electric motorized hinge apparatus

Patent 7140071 was granted and assigned to Nidec Copal Corporation on November, 2006 by the United States Patent and Trademark Office.

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Current Assignee
‌
Nidec Copal Corporation
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7140071
Date of Patent
November 28, 2006
Patent Application Number
10860420
Date Filed
June 2, 2004
Patent Citations Received
‌
US Patent 12026019 Information handling system variable torque hinge
0
Patent Primary Examiner
‌
Robert J. Sandy
Patent abstract

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 rotating member rotates to follow the second rotating member. Furthermore, as the first rotating member rotates, a lid portion rotates to follow it. During manual rotation of the lid portion, a motor is maintained in an off state and the second rotating member is kept at a stop by a lock means. Therefore, the engagement state at the first concavo-convex engagement part is released by the manual rotation of the lid portion, so that the lid portion can be freely rotated by hand.

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