US PATENT SUBCLASS 242 / 382.2
.~.~.~.~ Convertible to emergency locking

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

370  DF  REELING DEVICE {11}
371  DF  .~ With spring motor {12}
382  DF  .~.~ Lock against spool unwinding {6}
382.1  DF  .~.~.~ Material responsive (e.g., automatic lock) {3}
382.2.~.~.~.~ Convertible to emergency locking

DEFINITION

Classification: 242/382.2

Convertible to emergency locking:

(under subclass 382.1) Subject matter wherein the unwinding lock further includes an alternate actuator operable in response to an extreme, usually hazardous condition.