Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A marine ladder comprising a pair of laterally spaced step support members having a plurality of steps secured therebetween; said steps positioned between a lower portion and an upper portion of said step support members; an attachment member to secure said ladder to a platform; an adjustable support leg extending outwardly to abut a portion of said platform thereby positioning said steps in a generally horizontal plane; and wherein each successive step from said upper portion to said lower portion has a larger step tread than a preceding step.
A marine ladder comprising a pair of laterally spaced step support members having a plurality of steps secured therebetween; said steps positioned between a lower portion and an upper portion of said step support members; an attachment member to secure said ladder to a platform; an adjustable support leg extending outwardly to abut a portion of said platform thereby positioning said steps in a generally horizontal plane; and wherein each successive step from said upper portion to said lower portion has a larger step tread than a preceding step.
A MARINE LADDER
ECHELLE MARINE
EAMES ROSALIE HELEN (Autor:in)
30.04.2015
Patent
Elektronische Ressource
Englisch