| 摘要 |
PROBLEM TO BE SOLVED: To provide a timepiece collet which comprises a point of attachment to a balance spring and a passage intended to receive a balance staff.SOLUTION: A timepiece collet 1 comprises a point of attachment S1 to a balance spring and a passage 10 intended to receive a balance staff 4. The passage 10 is substantially cylindrical and is configured to deform elastically in a plane perpendicular to the axis of the passage 10 and to elastically clamp the balance staff 4 by at least two lines of contact 11a, 11b, 11c extending over the height of the inner wall of the passage 10 when the balance staff 4 is inserted in the passage 10.SELECTED DRAWING: Figure 1 |
