BARREL SPRING
1 Assignment
0 Petitions
Accused Products
Abstract
A barrel spring (10) for a mechanism driven by a mainspring, in particular for a timepiece, includes a unitary ribbon of metallic glass. The object is to integrate at least one additional function to the spring function, implemented by a functional portion integrated in the spring.
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Citations
38 Claims
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1-17. -17. (canceled)
- 18. A barrel spring for a mechanism driven by a mainspring, in particular for a timepiece, made from a monolithic ribbon of metallic glass comprising a fastening portion for fastening to a barrel drum at a first end, and a fastening portion for fastening to a barrel arbor at a second end, wherein said ribbon and said fastening portions are monolithic and obtained directly by a molding operation.
- 21. A barrel spring for a mechanism driven by a mainspring, in particular for a timepiece, made from a monolithic ribbon of metallic glass, wherein the ribbon comprises at least one functional part integral with the ribbon to perform at least one additional function in addition to the spring function.
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38. A barrel comprising a barrel arbor and a drum, as well as a barrel spring housed in the drum, said barrel spring being made from a monolithic ribbon of metallic glass comprising a fastening portion for fastening to a barrel drum at a first end, and a fastening portion for fastening to a barrel arbor at a second end, wherein said ribbon and said fastening portions are monolithic and obtained directly through a molding operation.
Specification