Hairspring for a balance wheel/hairspring resonator

Details Hairspring for a balance wheel/hairspring resonator Hairspring for a balance wheel/hairspring resonator

2011-08-23

2011-08-23

Kayes, Sean (Department: 2833)

Horology: time measuring systems or devices

Oscillating or reciprocating means

Balance wheel type

C368S177000, C368S178000

Reexamination Certificate

active

08002460

ABSTRACT:
Hairspring for a balance wheel/hairspring resonator, comprising n blades, where n≧2, which are fastened via at least one of their respective homologous ends and wound in spirals with an angular offset capable of neutralizing the lateral forces liable to be exerted on its central arbor when one of the ends of each blade is moved angularly around said central arbor relative to its other end.

REFERENCES:
patent: 209642 (1878-11-01), Berlitz et al.
patent: 278173 (1883-05-01), Osgood
patent: 811346 (1906-01-01), Weser
patent: 1440363 (1923-01-01), Andrade
patent: 2632292 (1953-03-01), Amend, Jr.
patent: 3553956 (1971-01-01), Schwartz
patent: 3934403 (1976-01-01), Tilse
patent: 7682068 (2010-03-01), Bourgeois
patent: 2005/0068852 (2005-03-01), Hessler et al.
patent: 2005/0281137 (2005-12-01), Bourgeois et al.
patent: 1601402 (2005-03-01), None
patent: 1677283 (2005-10-01), None
patent: 1422436 (2004-05-01), None
patent: 2447571 (1980-08-01), None
European Search Report of EP 08405188, date of mailing Feb. 18, 2009.

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