(under the class definition) Apparatus having (1) means dependent on vehicle motion, (2) a defined vehicle traction feature, or (3) a defined vehicle body feature other than that merely forming the structure enclosing a space to be cooled or supporting a cooling means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
323, for an internal combustion engine in a refrigeration system.
378+, for a refrigerator with a conveyor or transporter for articles.
407+, and 440+, for structural relationships with enclosures of more general utility.