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| Number | Title | Issue Date |
| 7648265 | Regulatorless oscillating system for a watch A regulatorless oscillating system for a watch includes a spiral balance spring having an inner fastening point attached to a collet which can be connected to a balance staff, an outer fastening point connected to a balance spring stud, and an end region adjacent to... | 01/19/2010 |
| 7293913 | Balance-spring with altered outer curve The balance-spring (1) includes a plurality of coils (3) of which the end (6, 8) of the outer curve (2) is rigidified by deformation in order to define accurately the setting point (7) of said balance-spring, said deformation being... | 11/13/2007 |
| 7287900 | Mechanical timepiece fitted with a device for adjusting the shake of a rotating part or wheel set The timepiece includes means for adjusting the shake of a rotating part or wheel set, in particular a balance one bearing of which is arranged in a bar (4). This bar comprises a base (18) associated with a adjusting screw (34) one end (36... | 10/30/2007 |
| 7237945 | Oscillating system for mechanical timepiece An oscillating system for a mechanical timepiece includes an annular balance wheel arranged in a fixed manner coaxially in relation to a rotatably mounted balance staff. A helical spring encloses the balance staff and has its inner end fastened on the balance staff ... | 07/03/2007 |
| 5907524 | Method for manufacturing a balance-spring obtained according to said method A method for manufacturing a balance-spring for a clockwork movement wherein a spring is formed by winding, from a wire or metal strip, said spring including an inner end intended to be fixed to a balance and a outer end zone intended to be fixed to the b... | 05/25/1999 |
| 4055944 | Securing device for the outer end of the hair-spring of a timepiece A securing device which permits the outer end of the hair-spring in a timepiece to be fastened either by gluing or pinning it in place. A U-shaped arm extends radially of the axis of the balance wheel and provides a pair of ears, one for gluing the hair-s... | 11/01/1977 |
