Fire escape – ladder – or scaffold – Traversing – track-mounted
Reexamination Certificate
2004-10-25
2008-08-26
Mitchell, Katherine (Department: 3634)
Fire escape, ladder, or scaffold
Traversing, track-mounted
C472S015000, C472S136000
Reexamination Certificate
active
07416054
ABSTRACT:
An apparatus and method of traversing across elements of a challenge course by use of a tracking system that can continuously retain the harness cable that descends to the participant, as the moveable member moves in a substantially horizontal direction along the safety cables, or along the tracks of the moveable member exchange frame.
REFERENCES:
patent: 291014 (1883-12-01), Isard
patent: 2699199 (1955-01-01), Huntington
patent: 6604605 (2003-08-01), Peterson
patent: 6640727 (2003-11-01), Ostrobrod
Mitchell Katherine
Quinn Colleen M.
Sayfie Robert J.
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