Flexible head platform of canva or draper with double swather and attaching device

A feeding device for a flexible canvas or draper harvester comprising:

• an upper beam (8) linked to a lower front beam (10) and joined by side covers (11) and forming a frame;
• a first and a second lateral stud supports (12);
• central stud supports (13) connected to the upper beam (8) and the lower front beam (10), the central stud supports (13) are connected on a first side to a central lower beam (9) by anchors of a coupling device (15), and on a second side to flexible body supports (14);
• a first flexible canvas (3) supported by the first lateral stud supports (12);
• a second flexible canvas (6) supported by the second lateral stud supports (12);
• a third and a fourth flexible canvas (4,5) supported by the central stud supports (13);
• wherein the first flexible canvas forms a first lateral body on the frame, the second flexible canvas forms a second lateral hod on the frame and the third and the fourth flexible canvas forms a central body,
• wherein a first space is formed between the first lateral body and the central body the central body creating a second row;
• and
• wherein the first flexible canvas and the second flexible canvas have a length shorter than a length of the third or the fourth flexible canvas.