Detent escapement for timepiece

Details Detent escapement for timepiece Detent escapement for timepiece

2007-03-20

2007-03-20

Miska, Vit (Department: 2841)

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

C368S124000

Reexamination Certificate

active

11000379

ABSTRACT:
The escapement includes a large plate4carrying a first finger14and a blocking member6carrying a second finger11and a locking pallet-stone7. The first and second fingers14and11are shaped such that when the large plate4rotates in a first direction a, the first finger14drives the second11which moves around a first side20of said first finger to release the locking pallet-stone. Re-engagement occurs when the second finger11climbs over a vertical flank25of a notch22made in a small plate23. When the large plate4rotates in a second direction b, opposite to the first, the first finger14drives the second finger11which moves around a second side21, opposite to the first, of said first finger14to keep the locking pallet-stone7in the escapement wheel.

REFERENCES:
patent: 3538705 (1970-11-01), Perry
patent: 4122665 (1978-10-01), Giger
patent: 6942378 (2005-09-01), Hayek et al.
patent: 7040803 (2006-05-01), Hayek et al.
patent: 64 175 D (1977-01-01), None
European Search Report, completed Jul. 13, 2004.

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