Assembly element including fork shaped elastic structures...

Horology: time measuring systems or devices – Staff and bearing details

Reexamination Certificate

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Details

C368S322000

Reexamination Certificate

active

07572050

ABSTRACT:
Assembly element made in a plate of brittle material, such as silicon, in particular for a timepiece, including an aperture provided for the axial insertion of an arbour, the inner wall of the aperture including elastic structures which are etched into the plate and which each include at least one support surface for gripping the arbour radially in order to secure the assembly element relative to the arbour. Each elastic structure is formed by a fork which is connected to the inner wall of the aperture by a bridge of material and which includes two branches extending, on either side of the bridge of material, generally towards the arbour. Each branch includes a support surface in proximity to the free end thereof. The invention also proposes a timepiece fitted with an assembly element of this type.

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European Search Report issued in corresponding application No. EP 06 12 3783, completed Aug. 6, 2007.
Office Action issued in related co-pending U.S. Appl. No. 11/937,789, dated Jun. 11, 2008.
Notice of Allowance issued in related co-pending U.S. Appl. No. 11/937,738, dated Jun. 13, 2008.
Austrian search report issued in corresponding Singapore application No. 200717510-2, dated Sep. 10, 2008.

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