US PATENT SUBCLASS 105 / 77
.~.~ Electromagnetic

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

26.05  DF  LOCOMOTIVES {24}
73  DF  .~ Traction regulators {4}
77.~.~ Electromagnetic {1}
78  DF  .~.~.~> Wheel or axle

DEFINITION

Classification: 105/77

(under subclass 73) Rolling-stock in which a magnetic field on the locomotive or road-bed causes increased adhesion between the wheels and rails.