Frames for the storage of sheets and heavy loads with paravertical orientation in warehouses and discharge means with a horizontal carriage

A frame for storing packages of heavy articles in a warehouse, and for extracting a predetermined number of said heavy articles, said frame being arranged in a row of a plurality of frames, said frame having an almost vertical orientation and having a predetermined number of trays (4), said frame comprising discharge means, said discharge means including a horizontal carriage (3) and a platform (10), said platform being in the almost vertical position during storage, said carriage sliding along said row of said frames when a predetermined number of said articles are to be extracted, first hydraulic means (14) engageable with one of said trays and comprising a cylinder with piston (13) and hooking means (15) connectable to one of said trays (4), first slides (5,6,7) for sliding one of said trays onto said carriage (3), second hydraulic means (12) for placing said discharge platform (10) from the almost vertical to a horizontal position, whereby a predetermined number of said packages are transferred to said platform (10), said platform carrying second slides (8)(9), third hydraulic means (18,19) each having a vertical axis and located on said carriage (3) for lifting a predetermined number of said articles to be extracted, said one of said trays sliding on said second slides (8,9) when it is laterally displaced, said second hydraulic means (12) causing said platform to return to its almost vertical position after the operation of extraction of said predetermined number of articles has ended.