US PATENT SUBCLASS 191 / 92
.~.~.~ Rope-actuated

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

45 R  DF  COLLECTORS {8}
85  DF  .~ Trolley retrievers {4}
91  DF  .~.~ Spring-retracted {1}
92.~.~.~ Rope-actuated {1}
93  DF  .~.~.~.~> Slack take-up

DEFINITION

Classification: 191/92

(under subclass 91) Trolley retrievers of the spring retracted type wherein the spring motor operates through the medium of the trolley rope and is set in operation by the sudden acceleration of the latter upon the trolley leaving the conductor.