Correction device for timepiece display mechanism and wheel...

Horology: time measuring systems or devices – With calendar indicator – Setting or resetting

Reexamination Certificate

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Details

C368S037000, C368S185000, C368S190000, C074S434000

Reexamination Certificate

active

07957226

ABSTRACT:
A correction device for a timepiece display mechanism, which includes a display member fitted with a toothing of pitch P, includes a pinion provided with a toothing of pitch p, mounted on a winding stem so as to occupy at least one display correcting position A, and a correction wheel mounted between the pinion and the display member. The correction wheel includes a first toothing defined by pitch P, a head diameter D, and a foot diameter d1, formed of teeth including a tip extending substantially angularly, and the tip is cut so as to form a second discontinuous toothing that is coplanar and concentric to the first toothing, defined by pitch p less than the pitch P of the first toothing, a head diameter D equal to the head diameter of the first toothing, and a foot diameter d2greater than the foot diameter d1of the first toothing.

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Notice of Allowance issued in co-pending related U.S. Appl. No. 12/062,919, dated Jun. 29, 2010.

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