Timepiece with mechanical regulation

Details Timepiece with mechanical regulation Timepiece with mechanical regulation

2005-04-12

2005-04-12

Gibson, Randy (Department: 2841)

Horology: time measuring systems or devices

Escapements

With oscillating or reciprocating means

C368S124000, C368S223000

Reexamination Certificate

active

06877893

ABSTRACT:
The invention concerns a timepiece comprising a mainspring with constant torque, having a balance spring and a balance wheel, the balance wheel (7) oscillation being maintained through an escapement mobile element (2) by moving a fixation point of the balance spring (6) when the oscillator passes through the oscillator impulse point, bringing about a circular motion of said balance spring (6) fixation point about the oscillator, thereby driving in rotation in time the mainspring-escapement assembly (2,6,7).

REFERENCES:
patent: 3599423 (1971-08-01), Beguin et al.
patent: 3910028 (1975-10-01), Suard
patent: 3991556 (1976-11-01), Renaud
patent: 4363553 (1982-12-01), Thomi et al.
patent: 4500213 (1985-02-01), Grimm
patent: 5226023 (1993-07-01), Grimm
patent: 5608694 (1997-03-01), Grimm et al.
Denis Schnegg, “le chronométre tourbillon à échappement détente sous trois ponts d'or réédition 1982”, Actes Du Xie Congrés International De Chronométrie, Oct. 4-6, 1984, pp. 147-151, XP002101229, Besançon, France.

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