(under subclass 78) Device including means to restrict the movement of a frictional contacting member along the axis of wheel rotation.
(1) Note. A resilient pad bearing against the arcuate edge of a brake shoe, for example, may restrict lateral shoe movement and still not confine the shoe to radial movement.
SEE OR SEARCH THIS CLASS, SUBCLASS:
335, for devices which in limiting brake shoe to radial movement may also restrict the lateral movement.