US PATENT SUBCLASS 191 / 63
.~.~.~ Wheels

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}
63.~.~.~ Wheels {5}
63.1  DF  .~.~.~.~> Quick release
63.2  DF  .~.~.~.~> Lateral slide
63.3  DF  .~.~.~.~> Universal mount
63.4  DF  .~.~.~.~> Slidable pins
63.5  DF  .~.~.~.~> Pin fasteners

DEFINITION

Classification: 191/63

(under subclass 59) Elements of trolley heads making a rolling contact with the conductor and providing a definite path for the conductor.

(1) Note. For similar wheel devices intended for general

use as pulleys, see Class 474, Endless Belt Power Transmission Systems or Components, subclass 166 and indented subclasses.