US PATENT SUBCLASS 182 / 182.2
.~.~.~ By extensible leg brace

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

179.1  DF  SELF-SUSTAINING {5}
181.1  DF  .~ Scaffold horse (e.g., trestle) {7}
182.1  DF  .~.~ Having height adjustable beam {3}
182.2.~.~.~ By extensible leg brace {1}
182.3  DF  .~.~.~.~> Step-by-step adjustment

DEFINITION

Classification: 182/182.2

By extensible leg brace:

(under subclass 182.1) Device wherein the height of the beam is adjusted by an adjustable length prop mounted between the horizontal beam and the supporting leg.