US 12,292,714 B2
Micromechanical mechanism provided with a percussion actuation system, in particular for horology
Marc Stranczl, Nyon (CH); and Polychronis Nakis Karapatis, Premier (CH)
Assigned to Montres Breguet S.A., L'Abbaye (CH)
Filed by Montres Breguet S.A., L'Abbaye (CH)
Filed on Jun. 13, 2022, as Appl. No. 17/838,651.
Claims priority of application No. 21179632 (EP), filed on Jun. 15, 2021.
Prior Publication US 2022/0397864 A1, Dec. 15, 2022
Int. Cl. G04B 21/06 (2006.01)
CPC G04B 21/06 (2013.01) 18 Claims
OG exemplary drawing
 
1. A micromechanical mechanism (1), the mechanism comprising:
a micromechanical device having a specific function, the device including a mobile element (8) needing to be moved mechanically to trigger an operation thereof; and
a system for actuating the device, the actuation system including a mobile striker (16, 17, 18) configured to go from a release position (19) to a percussion position (21) in which the striker transmits to the mobile element (8) a momentum necessary for a release of the micromechanical device, the actuation system further including a magnet (15) configured to attract the mobile striker (16, 17, 18) in a percussion position (21)
wherein the mobile element (8) is in contact with the magnet (15) in a rest position (9).