Fire escape – ladder – or scaffold – Self-sustaining
Reexamination Certificate
2006-03-21
2006-03-21
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Self-sustaining
C182S145000, C052S651100
Reexamination Certificate
active
07014011
ABSTRACT:
A scaffolding lift system includes a base member and a plurality of elongated vertical support members secured to the top surface of the base member. A power-operated motor is positioned adjacent the scaffolding and on the base member. The scaffolding further includes a plurality of elongated horizontal support members connected to select ones of the plurality of vertical support members and extend rearwardly thereof. An elongated boom is engaged with the rear portion of the scaffolding and extends forwardly therefrom. The scaffolding further includes a plurality of pulleys connected thereto and disposed adjacent to the boom at different heights respectively. A flexible elongated cable is supported by the plurality of pulleys and has a first end portion secured to the motor. The cable further has a second end portion including a hook mechanism for selectively engaging a pallet.
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