OSCILLATING MASS PIVOTED ON THE OUTSIDE OF A TIMEPIECE MOVEMENT, TIMEPIECE MOVEMENT PROVIDED WITH SUCH AN OSCILLATING MASS AND TIMEPIECE COMPRISING SUCH AN OSCILLATING MASS

摘要

The mass has an annular frame that is arranged in the form of annular sector (4) and a central part (7) comprising an unbalanced part of the mass. The central part is located mainly or exclusively in a half-surface that is delimited by the annular frame. The frame consists of a heavier part and a set of lighter parts. The lighter parts are fixed at a set of points on the heavier part of the frame. The frame comprises a set of openings (6) that is distributed on the lighter parts.