FOLDABLE STEPLADDER Russian patent published in 1997 - IPC

FIELD: portable stepladder used for works on loose and uneven ground. SUBSTANCE: stepladder has ladder sections pivotally connected one with another. Each section has poles and central support pivotally connected by risers and struts. Stepladder has additional supports pivotally connected one to another with their central portions between poles and to lower parts of poles with their mid portions. In operating position additional supports rest upon ground at an angle to it. EFFECT: increased safety during working in hindered conditions or on uneven ground. 3 cl, 12 dwg