US PATENT SUBCLASS 191 / 60
.~.~.~ Swivel

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}
60.~.~.~ Swivel {1}
60.1  DF  .~.~.~.~> Center bias

DEFINITION

Classification: 191/60

(under subclass 59) Trolley heads comprising a swivel, so that the contact element may follow lateral curves of the conductor.

(1) Note. Compare Class 384, Bearings, subclasses 429+ for bearing supports, or mounts.