US PATENT SUBCLASS 191 / 94
.~.~ Weight-retracted


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

45 R  DF  COLLECTORS {8}
85  DF  .~ Trolley retrievers {4}
94.~.~ Weight-retracted


DEFINITION

Classification: 191/94

(under subclass 85) Trolley retrievers wherein the retracting motor comprises a suspended weight whose restraining means is tripped or set in operation upon the collector leaving the conductor. Includes the means with or without slack take-up mechanism.