(1) Note. Where the braking action is initiated by the relative action between the vehicles of the train, the patent will be found in this class, subclass 112. Where the relative motion is between the draft-animals and the vehicle, see this class, subclasses 115 to 118, and 120 to 123.
SEE OR SEARCH CLASS
280, Land Vehicles,
400+, for trains of road vehicles, especially subclasses 427+ for interrelated brake, landing gear and couplings in semi-trailers.
303, Fluid-Pressure and Analogous Brake Systems,
7, for a fluid pressure brake system for a train divided into a plurality of sections, the fluid being distributed to the sections in a different manner.