US PATENT SUBCLASS 182 / 68.2
.~.~.~ Having winch means for erecting ladder

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
64.1  DF  .~ Ladder pivotably mounted on transpositioning base (e.g., on vehicle) {2}
68.1  DF  .~.~ Extension ladder pivotally mounted to be erected about a horizontal axis {3}
68.2.~.~.~ Having winch means for erecting ladder

DEFINITION

Classification: 182/68.2

Having winch means for erecting ladder:

(under subclass 68.1) Device wherein the pivotal motion of the extension ladder on the horizontal axis is actuated by a line means wound upon a winding drum.