US 12,038,724 B2
Mechanical timepiece with an animated display
Pascal Winkler, St-Blaise (CH); and Jean-Luc Helfer, Le Landeron (CH)
Assigned to ETA SA MANUFACTURE HORLOGÈRE SUISSE, Grenchen (CH)
Filed by ETA SA MANUFACTURE HORLOGERE SUISSE, Grenchen (CH)
Filed on Oct. 22, 2019, as Appl. No. 16/659,749.
Claims priority of application No. 18207099 (EP), filed on Nov. 19, 2018.
Prior Publication US 2020/0159170 A1, May 21, 2020
Int. Cl. G04B 45/00 (2006.01); G04B 15/06 (2006.01); G04B 15/14 (2006.01)
CPC G04B 45/0023 (2013.01) [G04B 15/06 (2013.01); G04B 15/14 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A timepiece comprising at least one mechanical movement including at least a main plate, a resonator and energy storage and distribution means connected to an escape wheel set by a going train, characterized in that at least one of the wheel sets comprised in said going train or in an escapement mechanism to which said escape wheel set belongs and which cooperates with said resonator, and which moves in a jerky or reciprocating motion during operation of said resonator, is a display wheel set which includes at least two distinct pictures or patterns, which are arranged to move in succession before a fixed point of said main plate, during operation of said resonator, and to display thereon a sequence of animated images,
wherein the timepiece is characterized in that one said display wheel set is a pallet lever comprised in said escapement mechanism.