Escapement for a timekeeper
AssigneeUlysse Nardin S.A.
InventorLudwig Oechslin
Life of this patent
Estimating the term…
Abstract
The escapement (10) includes first (6) and second (7) wheels meshing with each other. One (6) of these wheels is driven by the gear train. First (9) and second (11) rollers secured to a common arbor (1) support a sprung balance. The wheels (6, 7) and the first roller (9) are provided with means allowing said first roller to receive direct impulses supplied alternately by the first and second wheels for the purpose of maintaining the oscillations of the balance. The second roller (11) is provided with means for driving a locking and rocking member arranged to lock said first and second wheels alternately.
Claims6
An escapement arranged between a gear train and a sprung balance of a timekeeper, wherein it includes first and second impulse wheels meshing with each other, one of these wheels being driven by the gear train, and first and second rollers secured to a common arbor to which the sprung balance is fixed, the first and second wheels and the first roller being provided with means allowing said first roller to receive direct impulses supplied alternately by the first and second wheels for the purpose of maintaining the oscillations of the balance, said second roller being provided with means for driving a locking and rocking member arranged to lock said first and second wheels alternately.
Dependencies are inferred from the claim text.