Detent escapement for timepiece

Details Detent escapement for timepiece Detent escapement for timepiece

2006-03-28

2009-02-24

Luebke, Renee S (Department: 2833)

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

C368S131000

Reexamination Certificate

active

07494268

ABSTRACT:
The escapement includes a large roller4carrying an impulse pallet stone5surmounted by a first finger-piece14and a small roller23in which a notch22is made. A blocking member carries, on the one hand, a device80for locking the escape wheel2,and on the other hand, a second finger-piece11arranged for cooperating with the first finger-piece14,the blocking member also including a follower20ending in a beak21which acts on the small roller and particularly with notch22which is made therein. The first and second finger-pieces14and11are respectively rigidly secured to the table roller and the blocking member.

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: 3 299 (1891-08-01), None
patent: 64 175 (1977-01-01), None
patent: 1 538 491 (2005-06-01), None
patent: 1 544 689 (2005-06-01), None
Derwent Abstract Accession No. R25, SU 479075 A (Watch RES INST), Oct. 13, 1976.
Derwent Abstract Accession No. S04, C/45, SU 723491 A (BYSTROV), Mar. 28, 1980.

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