B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
20/101, 228/4
B63B 29/20 (2006.01) E04F 11/02 (2006.01) E04F 11/025 (2006.01) E06C 1/38 (2006.01)
Patent
CA 1097878
A B S T R A C T A ladder is provided which is especially adapted for ship- board use and which is safe and comfortable to use, of rela- tively light weight and occupying relatively small floor and overhead space. The ladder comprises a single stringer disposed between upper and lower deck or floor levels at a predetermined angle of inclination, and having an array of half treads on each side of the stringer, each array being vertically spaced from the other along the length of the stringer. The half treads are affixed to and extend from the respective sides of the stringer and each include and integral outwardly extending portion which terminates in a plane forward of a plane passing through the front edges of the treads. Handrails are disposed in this forward plane and are affixed to and supported by the outwardly extending tread portions.
325938
Johnson & Hicks
Laitram Corporation (the)
LandOfFree
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