(under subclass 293) Apparatus in which the power-driven actuating means comprises a rotatable shaft having radially projecting portions arranged at longitudinally and circumferentially spaced points on said shaft, and means operatively connected to the like elements of the apparatus for sequentially moving them, said means being located in the paths of said radially projecting portions so that the lost motion due to the circumferential spacing of the portions causes sequential motion of said parts.
SEE OR SEARCH THIS CLASS, SUBCLASS:
407, for a ground support which is vertically adjustable relative to a frame by power-operated means.
