US 12,078,967 B2
Mechanism for displaying the number of the week for a timepiece
Pascal Humair, Geneva (CH); and Alvaro Hüssy, Rolle (CH)
Assigned to PATEK PHILIPPE SA GENEVE, Geneva (CH)
Appl. No. 17/435,949
Filed by PATEK PHILIPPE SA GENEVE, Geneva (CH)
PCT Filed Mar. 2, 2020, PCT No. PCT/IB2020/051749
§ 371(c)(1), (2) Date Sep. 2, 2021,
PCT Pub. No. WO2020/178708, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 19161236 (EP), filed on Mar. 7, 2019.
Prior Publication US 2022/0146984 A1, May 12, 2022
Int. Cl. G04B 19/24 (2006.01); G04B 19/02 (2006.01)
CPC G04B 19/241 (2013.01) [G04B 19/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A mechanism for displaying a number of a week intended to be fitted to a movement of a timepiece and comprising a weeks starwheel comprising 52 or 53 teeth, a rocker comprising a flexible finger arranged to cooperate with toothing of the weeks starwheel upon actuation of said rocker by a driving mobile, said driving mobile being arranged to be driven by one step per day by the movement of the timepiece and to actuate the rocker once every seven days upon passing from the last day of the week to the first day of the week, wherein the driving mobile is a driving starwheel comprising seven teeth, of which six teeth are silent teeth which are arranged not to cooperate with the rocker and one tooth is a driving tooth arranged to actuate said rocker once per week upon passing from the last day of the week to the first day of the week.