Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Reexamination Certificate
2005-03-08
2005-03-08
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
Reexamination Certificate
active
06863155
ABSTRACT:
A mobile scaffolding (10) for elevating a worker (not shown) above a floor or ground surface (S) is disclosed. The scaffolding (10) broadly includes a pair of frames (12) and (14), a platform (16) supported by the frames (12,14), a pair of casters (18, 20) and (22,24) rollably supporting a respective one of the frames (12,14), and a brake assembly (26, 28,30, and32) associated with a corresponding one of the casters (18,20,22,24), respectively. The inventive brake assemblies (26,28,30,32) enable the worker supported on the platform (16) to selectively activate and deactivate the respective brake assemblies (26,28,30,32) from the platform (16). This enables the worker supported on the platform (16) to deactivate the brake assemblies (26,28,30,32), reposition the scaffolding (10), and then reactivate the brake assemblies (26,28,30,32) without requiring the worker to dismount from the platform (16).
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Winter Construction Equipment Internet publication for “Q-BRAKE” device (published at www.qbrake.com at lease as early as Dec. 20, 2002).
Wyse James L.
Wyse Steven J.
Hovey & Williams, LLP
Thompson II Hugh B.
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