Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Manabu Tateno1
Date of Patent
May 25, 2010
1Patent Application Number
119895671
Date Filed
October 31, 2006
1Patent Primary Examiner
Patent abstract
A worm gear is connected to an actuator and a worm wheel is connected to a control shaft. The worm wheel has teeth formed only on a predetermined angular range thereof. The above-referenced angular range includes a required rotational range of the control shaft. The worm wheel is formed to be brought out of mesh with the worm gear outside the predetermined angular range.
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