Fire escape – ladder – or scaffold – Wall- or floor-attached – Wall-mounted platform – with ladder
Patent
1987-08-18
1988-04-05
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Wall- or floor-attached
Wall-mounted platform, with ladder
182 84, 182 91, 182 88, 114362, 280166, B63B 2714, B63B 2920
Patent
active
047352850
ABSTRACT:
A ladder device for the transom of a boat has a platform unit and a step unit that may be moved between a use position with a step thereof immersed in the water in which the boat floats and a storage position where the step is located out of the water. The step in the use position extends aft of the platform unit and permits a person to climb out of the water and onto the platform unit without the step making any appreciable movement relative to the platform unit during such climb. The platform unit includes a pair of ring members that each depends from a respective longitudinal section of the unit. The step unit includes a U-shaped tubular member defined by two parallel side sections joined integrally to a transverse section. The side sections each have a long leg and a short leg with one end thereof unattached and a stop member is carried on such unattached end. The U-shaped tubular member is formed from tubing having an outside diameter slightly less than the inside diameter of the ring member whereby the side sections may be moved through the ring member to move the step unit from the storage position to the use position wherein the short legs are positioned in the ring members and the transverse section is positioned aft and below the ring members to serve as a step for the ladder device.
REFERENCES:
patent: 2809849 (1957-10-01), Benne
patent: 2956638 (1960-10-01), Bustin
patent: 2971600 (1961-02-01), Schultz
patent: 3195680 (1965-07-01), Thornburg
patent: 3452838 (1969-07-01), Gabrielson
patent: 3756622 (1973-09-01), Pyle
patent: 3774720 (1973-11-01), Hovey
patent: 3817554 (1974-06-01), Cuffe
patent: 3826337 (1974-07-01), Liptak
patent: 4462485 (1984-07-01), Terry
Machado Reinaldo P.
Palmer Carroll F.
Step-On Inc.
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