Fire escape – ladder – or scaffold – Platform with elevating or lowering means – Suspended
Reexamination Certificate
2004-03-09
2010-06-22
Mitchell, Katherine W (Department: 3634)
Fire escape, ladder, or scaffold
Platform with elevating or lowering means
Suspended
C182S223000, C182S145000
Reexamination Certificate
active
07740107
ABSTRACT:
A maintenance platform for suspension on support cables, in particular for maintaining rotor blades of wind turbines, wherein the maintenance platform is formed by at least two sub-platforms defining a working plane, wherein said sub-platforms are swivably connected to each other by a swivel joint with a swivel axis substantially perpendicular to the working plane.
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http://dictionary.reference.com/browse/platform(accessed: Sep. 8, 2009) (definiton provided in action).
Lemburg Christian
Lemburg Johannes
Schäfer Thomas
Weber Carsten
Aeroconcept Ingenieurgesellschaft für Luftfahrt-technik und
Cahn Daniel
Cunniff John J.
Hahn Loeser & Parks LLP
Mitchell Katherine W
LandOfFree
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