POWER DOOR OPERATOR HAVING A DRIVE MEMBER FUNCTION AS A HANGER PORTION AND ROLLERS OF A DOOR PANEL HANGER ENGAGING THE DRIVE MEMBER FOR MOTION THEREALONG

摘要

A powered operator assembly for moving an object alonga linear axis and particularly for moving doors in a masstransit vehicle utilizing a helical drive member for movingand supporting an attached door panel. The helical driveengages a drive nut that is connected to one of the two doorpanel hanger assemblies. Each door panel hanger assembly isattached to the door panel and includes at least two rollerswhich engage the outer surface of a helical drive for motionalong the drive axis. One end of such helical drive isconnected to an electric prime mover with such prime movermounted to a stationary bracket mounted to the door openingstructure. The second end of the helical drive engages abearing mounted to a stationary bracket mounted to the dooropening structure.