Tangential impulse escapement

Details Tangential impulse escapement Tangential impulse escapement

2008-03-06

2009-06-02

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

C368S131000

Reexamination Certificate

active

07540654

ABSTRACT:
The tangential impulse escapement includes a lever device (1) including a lever (3) driving a roller (65) and a ring (7) surrounding an escapement wheel set (8), said ring being fitted with pallet-stones (9, 10, 11, 12) for cooperating with the teeth (13, 14, 15, 16) of said wheel set, in order, alternately, to lock the latter then import an impulse to said roller. The escapement wheel set includes at least first (17) and second (18) coaxial secured wheels. The pallet pallet-stones (9, 11, 12) of the ring cooperate with the teeth (13, 15, 16) of the first wheel (17) with the exception of one (10), which is arranged for cooperating with the teeth of the second wheel (18).

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European Search Report issued in corresponding application No. EP 07 10 3860, completed Jan. 15, 2008.
Chamberlain, Paul M., “It's About Time,” The Holland Press Ltd, London, 1964, p. 79.
Daniels, George, “La Montre: Principles et Methodes de Fabrication,” Scriptar Editiions S.A., La Conversion/Lausanne, 1993, pp. 249-252.

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