Device for the compensated guidance and graduated opening of the door of a vertical filing cabinet for suspended plans

A device for the compensated guidance and graduated opening of the pending part of a cabinet composed of a fixed part, namely a frame, and of a movable part, namely a door, which, supported by at least one guide arm, moves away from the cabinet in a plane parallel to its largest wall, the guide arms each sliding in a slide track fastened to the frame, and means being provided for graduating the opening of the door, wherein each guide arm (3) is equipped, at its end opposite the door, with at least one roller bearing on the runways of the corresponding slide track (4) fastened to the frame (1), wherein each slide track has, on its end nearest the door, at least one track roller fastened to the frame and controlling the guide arm in its slide track, wherein blocking means for said door comprise a magnetic catch keeping the door in a closed position, a first stop (6) movable on the guide arm and a second stop (13) fastened to a plate (10) partially closing off the respective slide track, and wherein the first movable stop interacts with an ejector (12) controlled by the movement of the door so as to assume two positions corresponding to two programmed degrees of opening of the door,

• said door (2) of the cabinet being supported by two guide arms (3), wherein at least one of these guide arms has on its free end two guide rollers (30, 31), on its lower face a limit stop (9) and, on its lateral face directed towards the inside of the filing cabinet, a journal (5), on which is articulated a movable stop (6) having a recess (16), and wherein a spring stud (7) penetrating into a hole (8) in the guide arm is fastened to the movable stop.