Fire escape – ladder – or scaffold – Having transpositioning base and erecting means – Ladder pivotably mounted on transpositioning base
Reexamination Certificate
2006-09-12
2006-09-12
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Having transpositioning base and erecting means
Ladder pivotably mounted on transpositioning base
C182S063100, C182S127000
Reexamination Certificate
active
07104360
ABSTRACT:
A mobile elevating hut product, which has a trailer, a platform, legs connecting the platform and the trailer, and a lifter for sequentially and repeatably moving the platform to and from a raised position. The trailer enables the product to be moved to different locations and set up with the platform in the raised position. The platform in the raised position is fully supported by the legs. The fully supported platform is resistant to accidental and unexpected lowering caused by transient events. The platform in the raised position provides an elevated lookout perch for work, recreation, and other purposes.
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Bremer David J.
Chin-Shue Alvin
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