INCLUDING NONCONTACTING, RELATIVELY MOVABLE PARTS CONNECTEDBY CHECK:
(under the class definition) Apparatus including a plurality of elements adapted for relative movement but which do not contact one another, nor will they upon relative movement; wherein the elements are adapted to be linked to one another by the check.
SEE OR SEARCH THIS CLASS, SUBCLASS:
250+, and 263, for apparatus including noncontacting, relatively movable parts connected by a check to release a locked part.