Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step
Patent
1997-10-31
1999-07-27
Stodola, Daniel P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Independent rung or step
182 89, 182 92, 182 97, 280166, 114362, 114270, E04G 300
Patent
active
059274336
ABSTRACT:
A retractable step assembly has a U-shaped step, a rotatable joint including a bracket, a first member to fix the bracket to the rear of a boat or personal watercraft, to a fixed step, a pivotable rod, and a second member to fix the U-shaped step to it for rotation with respect to the first member. The joint includes two rings which are fixed to the bracket and a tube disposed within the rings at each end for rotation around the axis of the tube and rings. One of the assemblies is fixed to the tube and another assembly is fixed to the bracket. The bracket has two springs fixed to it and also acting on the tube or the assembly connected to the tube to rotationally bias the tube and assembly with respect to the bracket. In another embodiment, a retractable step is rotatably connected to the underside of a boat or swim platform of a boat by a plurality of rods, two of the rods being connected to the retractable step using the bracket, and a third rod being connected to a U-shaped bar allowing rotation of the bar with respect to the rod to provide a three-point attachment to the underside of the boat or platform.
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Hoffman, Esq. David L.
Lev Bruce A.
Stodola Daniel P.
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