MECHANICAL ENERGY STORAGE DEVICE, ESPECIALLY FOR WATCHMAKING PART, CLOCK MOVEMENT AND WATCHMAKING PART INCLUDING SUCH A DEVICE.

摘要

Mechanical energy storage device comprising an elastic structure (8a) and a pulley (15) on which is fixed a flexible link (15a) adapted to wind on the pulley, the flexible link extending from the pulley to at a free end integral with an anchoring part (13) belonging to the elastic structure, the anchoring part being moved away from the pulley as far as possible when the elastic structure is in the rest position and the elastic structure being shaped so that the anchoring part is movable in a direction of translation (14) passing through the pulley.