US PATENT SUBCLASS 182 / 205
.~.~.~.~ Ratchet type

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

194  DF  LADDER {10}
200  DF  .~ Supporting surface compensating means {1}
201  DF  .~.~ Stile extension {3}
204  DF  .~.~.~ Increment adjustment {1}
205.~.~.~.~ Ratchet type

DEFINITION

Classification: 182/205

(under subclass 204) Device wherein the incremental adjustment is by means of a ratchet-like structure.