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The metal top is used for convertible cars since the exterior design when the rooftop is closed is also important. A retractable metal top system which can automatically retract and extract the metal top has been popular to increase commercial values for the luxury convertible cars. We have developed the metal top open-close system comprising metal top,package tray and luggage panel operation link-mechanism units driven by electric motors. The metal top can be retracted or extracted in approximately 25 seconds by controlling the metal top system and the side and quarter window motors. The roof panel is pre-load so that the cabin air-tightness for high speed driving is maintained. The metal top is compactly retracted since the slide and side package trays are synchronized. Enough luggage space is secured using the multi-link mechanism to open and close the luggage panel. This retractable metal top system is equipped with the LEXUS SC430. (Fig.1) [1]

We have developed a power sliding door (PSD) system driven by a push-pull cable. The door closure and slide are operated by different actuators to limit the force required for a compact, light-weight drive unit. This paper introduces the concept of the PSD system using a push-pull cable drive. Two new technologies to achieve the PSD system are also described. One is the door position control for increasing the push-pull cable reliability. The other is a compact position sensor to accurately detect the sliding door's position.