(under subclass 78) Device including means to confine the movement of a frictional contacting member to a path transversely of the wheel axis.
(1) Note. A pin and slot arrangement, for example, may provide a radial guide for a brake shoe, suitable for this subclass, and still allow lateral shoe movement.
SEE OR SEARCH THIS CLASS, SUBCLASS:
340, for devices which restrict the lateral movement of a brake shoe, though not necessarily limiting the movement to a
