US PATENT SUBCLASS 188 / 39
.~.~.~ Rotary shoe

Current as of: June, 1999
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188 /   HD   BRAKES

2 R  DF  VEHICLE {19}
33  DF  .~ Railway {15}
38  DF  .~.~ Track {3}
39.~.~.~ Rotary shoe

DEFINITION

Classification: 188/39

The brake-shoe is a wheel or cylinder.

(1) Note. The rotary shoe is in some cases driven in a direction opposite to the rotation of the car wheels.