Chronographic fly-back timepiece having a stop-start control for

Details Chronographic fly-back timepiece having a stop-start control for Chronographic fly-back timepiece having a stop-start control for

1991-11-12

1992-06-16

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Mechanical stop time type

G04F 700

Patent

active

051229951

ABSTRACT:
A fly-back chronograph provided with a stop-start control for the fly-back hand is provided. The control does not require careful and frequent adjustment and avoids premature wear of the fly-back wheel parts. The control device has fly-back pincer, a fly-back wheel disposed between the free extremities of the two branches of the said pincer, two fixed reaction members against which a connecting member between the two branches of the pincer bear and deformation means creating a force acting against the said reaction members on the said portion of the connecting member in order to deform it.

REFERENCES:
patent: 253338 (1882-05-01), Audemars
patent: 550182 (1895-11-01), Lecoultre-Piguet
patent: 2548101 (1951-04-01), Dubet et al.

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