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US 11,415,941 B2Granted
Oscillating system for a watch
AssigneeWcp (Watch Connaisseur Project) SA
InventorKarsten Fraessdorf
Life of this patent
Estimating the term…
Abstract
Some embodiments are directed to adjusting the oscillation frequency of an oscillating system for a watch movement, including: selecting a hairspring, selecting a balance belonging to a predetermined class, without a balance rim, at least two weight elements for balancing in a predetermined batch, pairing the hairspring with the balance and the at least two weight elements, measuring an oscillation frequency of the oscillating system including the hairspring, the balance and the at least two weight elements, and selecting at least one of a balance of another class or of the at least two weight elements of another batch if the measured oscillation frequency does not correspond to a desired oscillation frequency.
Claims7
An oscillating system for a watch movement, comprising:
- a balance,
- at least two weight elements, and
- a hairspring,
- wherein
- the oscillating system does not include a balance rim and
- wherein the balance is substantially in the form of a strip or substantially cruciform, in that the balance includes a central portion and at least two first wings, and
- the central portion having a shaft bore and each of the first wings having a fixing bore for fixing a respective one of the at least two weight elements,
- the balance extending along a central axis of the balance, and the shaft bore and both the fixing bores, of the first wings, being positioned on the central axis, such that the shaft bore and both the fixing bores are aligned along the central axis;
- and
- each of the weight elements including a fixing shaft that extends into a respective fixing bore so as to attach the weight elements onto the balance, such that the weight elements are also positioned on the central axis;
- and
- the oscillating system includes a fixing element for fixing the hairspring on the balance;
- wherein the oscillating system further includes a shaft, wherein the shaft includes a single roller;
- and
- the single roller is provided to operate as an integrated safety roller and/or to limit a movement of a safety strip;
- wherein the single roller has a recess;
- wherein the balance includes at least two second wings;
- wherein each of the second wings includes an angled element carried out by bending or using a bracket, each angled element having an angled bore for housing an adjusting screw, each angled element having a slot provided for cooperating with the angled bore to allow secure tightening of the adjusting screw in the angled bore;
- and
- wherein the angled element has an angle of 45° relative to a plane in which the balance is disposed.
17 more elements
An oscillating system for a watch movement, comprising:
- a balance,
- at least two weight elements, and
- a hairspring,
- wherein
- the oscillating system does not include a balance rim and
- wherein the balance is substantially in the form of a strip or substantially cruciform, in that the balance includes a central portion and at least two first wings, and
- the central portion having a shaft bore and each of the first wings having a fixing bore for fixing a respective one of the at least two weight elements,
- the balance extending along a central axis of the balance, and the shaft bore and both the fixing bores, of the first wings, being positioned on the central axis, such that the shaft bore and both the fixing bores are aligned along the central axis;
- and
- each of the weight elements including a fixing shaft that extends into a respective fixing bore so as to attach the weight elements onto the balance, such that the weight elements are also positioned on the central axis;
- and
- the oscillating system includes a fixing element for fixing the hairspring on the balance;
- each of the second wings includes an angled element carried out by bending or using a bracket, each angled element having an angled bore for housing an adjusting screw, each angled element having a slot provided for cooperating with the angled bore to allow secure tightening of the adjusting screw in the angled bore;
- and
- wherein the angled element has an angle of 45° relative to a plane in which the balance is disposed.
12 more elements
An oscillating system for a watch movement, comprising:
- a balance,
- at least two weight elements, and
- a hairspring,
- wherein
- the oscillating system does not include a balance rim and
- wherein the balance is substantially in the form of a strip or substantially cruciform, in that the balance includes a central portion and at least two first wings, and
- the central portion having a shaft bore and each of the first wings having a fixing bore for fixing a respective one of the at least two weight elements, and
- the oscillating system includes a fixing element for fixing the hairspring on the balance;
- wherein the balance includes at least two second wings,
- wherein
- each of the second wings includes an angled element carried out by bending or using a bracket, each angled element having an angled bore for housing an adjusting screw, each angled element having a slot provided for cooperating with the angled bore to allow secure tightening of the adjusting screw in the angled bore;
- and
- wherein the angled element has an angle of 45° relative to a plane in which the balance is disposed.
10 more elements
Dependencies are inferred from the claim text.