Fire escape – ladder – or scaffold – Platform with elevating or lowering means
Reexamination Certificate
2011-03-22
2011-03-22
Mitchell, Katherine (Department: 3634)
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
C182S036000, C182S037000, C182S103000, C182S148000, C182S011000
Reexamination Certificate
active
07909139
ABSTRACT:
The present invention is a powered lift platform including a platform, at least one guide rail section in operative contact with the platform, each of the at least one guide rail sections comprising at least one guide rail and in which a first end of each of the guide rail sections is configured to removably attach to a second end of a second guide rail section. The invention also includes a lift mechanism supported by the platform, a lift guide in operative contact with the lift mechanism and attached to the upper portion of the upper guide rail, a power supply to operate the lift mechanism. In a preferred embodiment, at least one wheel is operatively attached to the powered lift platform. Also presented is a method for securing the powered lift platform to a columnar-like support. Also presented is an extendable standoff.
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Blue Lewis J.
Meier William E.
Mitchell Katherine
Quinn Colleen M
Simpson & Simpson PLLC
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