Balance for timepiece movement

Details Balance for timepiece movement Balance for timepiece movement

2007-03-23

2010-02-16

Luebke, Renee S (Department: 2833)

Horology: time measuring systems or devices

Oscillating or reciprocating means

Balance wheel type

C368S202000

Reexamination Certificate

active

07661875

ABSTRACT:
The balance comprising a felloe (3), arms (4) connecting the felloe (3) to the balance staff and inertia blocks (11) is characterized in that the felloe (3) includes studs (7) in its inner surface, a threaded hole (9) into which said inertia blocks (11) are screwed from the inside, without passing beyond the external surface of the felloe (3), passing through said felloe (3) and said studs (7).

REFERENCES:
patent: 248050 (1881-10-01), Miller
patent: 759914 (1904-05-01), Purgy
patent: 1350035 (1920-08-01), Povelsen
patent: 2116257 (1938-05-01), Aegler
patent: 2958997 (1960-11-01), Jahn
patent: 276197 (1951-06-01), None
patent: 936.423 (1948-07-01), None
patent: 578680 (1958-06-01), None
European Search Report issued in corresponding application No. 06 11 1726, completed Feb. 1, 2007.

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