Convertible ladder

Details Convertible ladder Convertible ladder

2005-05-03

2005-05-03

Chin-Shue, Alvin (Department: 3634)

Fire escape, ladder, or scaffold

Convertible

Ladder

C182S180100

Reexamination Certificate

active

06886659

ABSTRACT:
A convertible ladder including a first ladder portion, a second ladder portion and a static hinge mechanism. The first ladder portion has a first locking mechanism proximate a first end thereof. The second ladder portion has a second locking mechanism proximate a first end thereof. The static hinge mechanism is attached to the first ladder portion with the first locking mechanism. The static hinge mechanism is attached to the second ladder portion with the second locking mechanism. The static hinge mechanism maintains the first ladder portion in a stationary relation with respect to the second ladder portion.

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