US PATENT SUBCLASS 182 / 1
MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER

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

1MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER

DEFINITION

Classification: 182/1

(under the class definition) Device comprising steps pivoted with respect to horizontally pivoted ladder stile structure, the device being provided with means maintaining the step level during pivotal movement of the stile structure.