US PATENT SUBCLASS 182 / 2.8
.~.~ Foldable hinged support

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

2.1  DF  MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT {2}
2.3  DF  .~ Swingable support {6}
2.8.~.~ Foldable hinged support {1}
2.9  DF  .~.~.~> Hydraulically operated

DEFINITION

Classification: 182/2.8

Foldable hinged support:

(under subclass 2.3) Device wherein the swingable support comprises at least two boom sections which are pivotally interconnected and folded one on the other in their inoperative positions.