Chronograph watch

Details Chronograph watch Chronograph watch

2011-08-23

2011-08-23

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Time interval

Mechanical stop time type

Reexamination Certificate

active

08002459

ABSTRACT:
A chronograph watch fitted with a going train including:a permanent seconds wheel set secured to a permanent seconds display member,a chronograph seconds wheel set cooperating with a coupling in order to be secured to a chronograph seconds display member, and a third wheel set including a first third wheel fixedly mounted in rotation, meshed either with the permanent seconds wheel set, or with the chronograph seconds wheel set, a second third wheel mounted to move freely, meshed with the permanent seconds wheel set and with the chronograph seconds wheel set.

REFERENCES:
patent: 3842591 (1974-10-01), Dubois et al.
patent: 5253231 (1993-10-01), Vuilleumier
patent: 6428201 (2002-08-01), Shibuya et al.
patent: 6724692 (2004-04-01), Akahane et al.
patent: 2004/0264304 (2004-12-01), Furukawa et al.
patent: 506 824 (1971-06-01), None
patent: 0 482 443 (1992-04-01), None
patent: 1 102 135 (2001-05-01), None
patent: 03/040835 (2003-05-01), None
European search report issued in corresponding application No. EP 07 11 9001, completed Jul. 10, 2008.

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