Shock absorber bearing for a timepiece
AssigneeETA SA Manufacture Horlogere Suisse
InventorsThierry Conus, Jean-Luc Helfer
Life of this patent
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Abstract
The housing (6) of the bearing block (1), locks the peripheral ring (11) of a spring (10) with axial and radial deformation further comprising a substantially annular rigid central support (13) which cooperates with a cap (23), fitted by means of lugs (25) to the outside of the central support (13), to hold the pierced stone (4) and the endstone (5). The resilient part (12) of the spring (10) is for example formed of bent arms.
Claims15
A shock absorber bearing for a pivot-shank of an arbour of a moving part of a timepiece including a support block to be driven in, fixed or formed in the frame of said timepiece, said support block being provided with a recess provided for receiving a spring with axial and radial deformation and a setting carrying a pierced stone through which the pivot-shank passes and an endstone, wherein the spring is formed in a single piece of a rigid peripheral ring driven into the housing, with a substantially annular rigid central support and of resilient means connecting said rigid elements and in that the setting holding the two stones is suspended at the centre of the spring.
Dependencies are inferred from the claim text.