STEPLADDER RACK Russian patent published in 2024 - IPC B25H3/04 A47B47/00 A47B85/00 E06C1/14 E06C1/393 

FIELD: stairs; furniture.

SUBSTANCE: invention relates to portable ancillary equipment, which provides the desired comfort of the temporary workstation of foremen and specialists, forced to perform the installation-dismantling of various elements of technical building systems, repair, assembly and/or other operations accompanying them in confined space and/or on contaminated territories. Stepladder rack consists of a stack of quadrangular horizontal platforms placed one above the other floor-by-floor with a total number of at least two, cantilever fixed on the framework front posts of two cross-shaped and hingedly connected to each other rigid trapezoidal frames, wherein the rear sides of each support platform are hinged without the possibility of any spontaneous longitudinal-axial displacement on the side posts of the front half of the stepladder rack, and the upper ends of the support posts or the upper transverse rib of the second half of the framework are inserted into the quick-release trough-shaped grip, located fixedly under the uppermost support platform on its front edge and providing stability of the specified distance between the upper ribs of both parts of the framework and reliable fixation of the uppermost support platform in the horizontal position, front edges of the side ribs of each support platform are equipped with hinges fixed on the bodies of a single pair of equal rigid rods, made in the form of rectilinearly elongated strips, located parallel to the support posts of the front half of the stepladder rack framework, wherein all hinges arranged on side faces of support sites are arranged floor by floor in two multistage cascades at vertices of corners of two mirror-symmetric transformable parallelograms.

EFFECT: increased useful area of support sites.

1 cl, 1 dwg