Position control device for moving member

A shifter is equipped with a rack and a stopper. A transmission gear transmits power from an electric motor to the rack. A retention pin extends vertically downward from the transmission gear. When the shifter slides to an origin, the retention pin locks the stopper, which causes the electric motor...

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Bibliographic Details
Main Authors Hiramoto, Yoshiaki, Kamei, Kayo, Hatanaka, Masatsugu, Yoshida, Shigeru, Nakao, Motokazu
Format Patent
LanguageEnglish
Published 30.12.2008
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Summary:A shifter is equipped with a rack and a stopper. A transmission gear transmits power from an electric motor to the rack. A retention pin extends vertically downward from the transmission gear. When the shifter slides to an origin, the retention pin locks the stopper, which causes the electric motor to step out. On detecting the step-out of the electric motor, the position control device recognizes that the shifter has reached the origin (the reference position) and has been fixed at the position, thus setting the shifter position.