Convertible ladder

Details Convertible ladder Convertible ladder

2005-02-22

2005-02-22

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Convertible

Ladder

C182S178300, C182S027000

Reexamination Certificate

active

06857503

ABSTRACT:
A ladder having a first ladder section, a second ladder section, an adjustable hinge mechanism, an engagement indicator and a static hinge mechanism. The adjustable hinge mechanism is mounted with respect to the first ladder and the second ladder so that the adjustable hinge mechanism is moveable between an engaged position and a disengaged position. The static hinge mechanism enables the first and second ladder sections to be maintained in a stationary position with respect to each other.

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