Dragging type retrograde horological display mechanism equipped with a display disconnection lever

A dragging type retrograde horological display mechanism driven by a movement of a timepiece wherein said retrograde horological display mechanism is embedded, said retrograde horological display mechanism being arranged to display at least one first and at least one last distinct indication, the dragging type retrograde horological display mechanism comprising:

• a display wheel;
• a display pinion and a fixed display wheel arranged on either side of the display wheel, the display pinion being freely mounted on the display wheel coaxially, and the fixed display wheel being fixedly mounted concentrically to the display wheel and the display pinion and being provided with a toothing;
• a pivoting holding element engaged in the toothing of the fixed display wheel;
• a drive wheel moved by the timepiece movement and which drives the display wheel;
• a return element which tends to constrain the display pinion in rotation;
• a display disconnection lever rigidly connected to the display pinion and coupled in rotation with the display wheel, said display disconnection lever comprising an elastic strip in elastic support against a pin fastened in the display wheel;
• the holding element and the display disconnection lever being arranged such that, when the retrograde horological display mechanism moves from the display of the last indication to the display of a next first indication, the holding element pivots, whereas the display disconnection lever is locked, such that the elastic strip becomes strained and that the holding element is forced to be released from the toothing of the fixed display wheel, thus enabling the stress induced in the retrograde horological display mechanism by the return element to relax and return said retrograde horological display mechanism in a retrograde direction to an initial position thereof wherein it displays the next first indication.