US PATENT SUBCLASS 191 / 63.1
.~.~.~.~ Quick release

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  DF  .~.~.~ Wheels {5}
63.1.~.~.~.~ Quick release

DEFINITION

Classification: 191/63.1

(under subclass 63) Articulated sectional trolley-harps to permit the quick release of a trolley-wheel.