(under subclass 407) Apparatus in which the ground support is moved to different positions of adjustment by a motor means which operates just long enough to effect the desired adjustment.
(1) Note. This definition does not cover a mere power-transmitting mechanism intermittently connected to a continuously running source of power.
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294, for a series of like elements sequentially operated by servomotors.
316, for a servomotor on a trailing implement for vertically moving a wheel, the motor being controlled from a propelling vehicle, the relationship with the vehicle being
