Patent ID: 8783943
Filing Date: 2014-07-22
Classification: G04B

Abstract:
1. A detent escapement for a timepiece comprising: an escape wheel; a balance pivoted about a balance staff and having an impulse pallet which can contact a wheel tooth of the escape wheel and an unlocking stone; and a blade having a locking stone which can contact the wheel tooth of the escape wheel, a locking stone support arm that supports the locking stone, a one side actuating spring having a portion capable of contacting the unlocking stone, and a one side actuating spring support arm which determines a position of an unlocking stone contact portion which is positioned in a tip of the one side actuating spring, wherein at least two of the one side actuating spring, the one side actuating spring support arm, and the locking stone support arm of the blade are formed of the same material and have the same thickness in a direction along an axis of the balance staff.