Lever escapement for a timepiece

Details Lever escapement for a timepiece Lever escapement for a timepiece

2008-05-30

2010-02-16

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

C368S124000

Reexamination Certificate

active

07661874

ABSTRACT:
The escapement includes an escape wheel set (1), a balance roller (3) carrying an impulse pin (4) and a first impulse pallet stone (5). It further includes a pallet assembly (8) fitted with a second impulse pallet stone (11) and first and second locking pallet stone (12, 13). The wheel set (1) includes at least one escape wheel fitted with teeth (6) that mesh directly with the teeth (20) of the first wheel of a gear train (2), the teeth (6) of the wheel (1) cooperating with the impulse pallet stones and locking pallet stones.

REFERENCES:
patent: 0 018 796 (1980-11-01), None
patent: 1 045 297 (2000-10-01), None
Daniels, G. “La Montre: Principes et Methodes de Fabrication,” 1993, Editions Scriptar SA, Lausanne, pp. 247-251.
European Search Report issued in corresponding application No. EP 07 10 9193, completed Feb. 14, 2008.

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