Horology: time measuring systems or devices – Oscillating or reciprocating means – Balance wheel type
Reexamination Certificate
2011-06-21
2011-06-21
Luebke, Renee (Department: 2833)
Horology: time measuring systems or devices
Oscillating or reciprocating means
Balance wheel type
C368S127000, C368S168000, C368S169000, C368S174000
Reexamination Certificate
active
07963693
ABSTRACT:
The present invention concerns a mechanical oscillator, comprising an oscillating system comprising a balance (1) and its return spring (3). This oscillator also comprises two elastic strips (9, 10) fixed by one end and acting in opposition intermittently by their other end on a connecting organ (8) secured to the oscillating system.
REFERENCES:
patent: 6846104 (2005-01-01), Geyer
patent: 2006/0225526 (2006-10-01), Levingston
patent: 279 954 (1951-12-01), None
patent: 1 736 838 (2006-12-01), None
European Search Report dated Nov. 7, 2008, from corresponding application.
Collins Jason
CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recher
Luebke Renee
Young & Thompson
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