Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support
Reexamination Certificate
2007-02-27
2007-02-27
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Means maintaining platform level on angularly movable support
Reexamination Certificate
active
10603966
ABSTRACT:
An improved aerial work apparatus of the type having an aerial work platform attached to the distal end of a boom mounted to a mobile chassis comprising a material-handling device mounted with respect to the platform. Preferably, the material-handling device is either a dual winch device, a fork lift device, or material support feet. An aerial work platform comprising a rail support frame attached to the boom and a work basket is provided wherein the work basket can be interchanged between a basket in front of the boom and a basket positioned alongside the boom.
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Chin-Shue Alvin
Jansson & Shupe & Munger Ltd.
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