Timekeeper with a mechanism for measuring settable...

Details Timekeeper with a mechanism for measuring settable... Timekeeper with a mechanism for measuring settable...

2007-11-13

2007-11-13

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Time interval

With predetermined mechanical timing means

C368S106000, C368S108000

Reexamination Certificate

active

11538516

ABSTRACT:
This timekeeper comprises a first timer (4), means (12) for connecting it selectively to the train of the timekeeper (T), a second timer (5), a synchronous coupling between the first (4) and second (5) timers, and fly-back means (13, 13′, 9, 11) for said timers (4, 5). An auxiliary motive source (10′) is in a driving relationship with the second timer (5) and a one-way coupling (6a, 7a) is situated between the first (4) and second (5) timers to regulate the speed of movement of the latter at a predetermined ratio with the speed of movement of the first timer (4) while allowing one-way relative movement of the first timer (4) relative to the second (5) when the latter is in the stop position and one-way relative movement in the opposite sense of the second timer (5) when the first timer (4) is in the stop position.

REFERENCES:
patent: 1790359 (1931-01-01), Weir
patent: 2300950 (1942-11-01), Lux
patent: 2783835 (1957-03-01), Poole
patent: 3077729 (1963-02-01), Schlenker
patent: 3747324 (1973-07-01), Foufounis
patent: 5077708 (1991-12-01), Schneider
patent: 7130247 (2006-10-01), Brida et al.
patent: 175961 (1964-08-01), None
patent: 548061 (1974-04-01), None
patent: 692523 (2002-07-01), None
patent: 1502690 (1967-11-01), None
patent: WO 02/077725 (2002-10-01), None

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