US PATENT SUBCLASS 191 / 61
.~.~.~ Wheel to head contactor

Current as of: June, 1999
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191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
59  DF  .~.~ Heads {9}
61.~.~.~ Wheel to head contactor

DEFINITION

Classification: 191/61

(under subclass 59) Trolley heads involving means for maintaining the electrical connection between the wheel and its mounting, thus bridging possible resistance in the bearings.