Fire escape – ladder – or scaffold – With handrail or guard for ladder
Patent
1998-11-13
1999-11-30
Stodola, Daniel P.
Fire escape, ladder, or scaffold
With handrail or guard for ladder
182 335, 2974401, E06C 718
Patent
active
059925639
ABSTRACT:
A step assembly for a swimming pool, includes an upper step section including two upper steps at a first height, front, side and rear supporting walls for supporting the two upper steps on a ground surface, a hollow chamber defined between the supporting walls and the upper steps, and an opening in the rear wall for permitting access to the hollow chamber; a lower step section including two lower steps at a second height lower than the first height, front, side and rear supporting walls for supporting the two lower steps, and the lower step section having dimensions less than the opening so as to fit through the opening and be removably positioned in the hollow chamber; and a securing assembly which removably secures the upper step section with the lower step section, and including a tongue in the rear wall of the lower step section and a groove in the front wall of the upper step section which removably receives the tongue.
REFERENCES:
patent: 934316 (1909-09-01), Jones
patent: 2805703 (1957-09-01), Wise
patent: 3826336 (1974-07-01), Cramer
patent: 4537282 (1985-08-01), Lobdell
Kessler Emerich
Wilensky Arie
Goldberg Richard M.
Skyller Associates L.L.C.
Stodola Daniel P.
Thompson Hugh B.
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