(under the class definition) Device cooperatively united with an adjunctive second device, said second device, e.g., automatic control, having a function serving to perfect a movable closure for its intended purpose, other than being an ancillary device, e.g., operator, hinge, seal, for the movable closure.
SEE OR SEARCH CLASS
5, Beds,
171, for a bed carried by a closure and shifted into position by movement of the closure.
