| 摘要 |
PURPOSE: A position controller of a seat, a lounge or a bed is provided, which posses all distinctions of a single base driving unit with much compacter method. CONSTITUTION: A position controller of a seat, a lounge or a bed, having a head or back base and a leg base controllable, comprises the steps of; forming an inner frame by being connected by a joint; connecting to a driving device composed of a reduction gear and an electric motor; operating by a rod connected to each base. An electric motor (10) has an external gear system (13a) and is connected to an eccentric wheel (12) installed in a circular disk (13) to be rotated through a gear device (11a). A disk (13) is supported on the fixed location facing an external frame (2) and a disk (13) having an external gear system (13a) and meshes with a ring (14) having an inner gear system (14a) and a rod (7), which transfers position control to a base (3)(4), fixed on a ring (14).
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