Tourbillon watch winder

Horology: time measuring systems or devices – Winding means

Reexamination Certificate

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Details

C081S007500

Reexamination Certificate

active

11263719

ABSTRACT:
A watch winder includes a watch carrier having a longitudinal axis, a continuous outer wall having a plurality of detectable features, and a watch holder to support the watch relative to the longitudinal axis so that the watch rotates upon rotation of the carrier about the longitudinal axis; a drive means within a circuit including a controller to control the rotation of the watch carrier through successive winding cycles; and a sensor to detect the position of the detectable features, the controller stopping the carrier at the end of each cycle in response to detection of a given number of detectable features by the sensor, the feature detected at the end of each cycle being different from the feature detected by the sensor at the end of the immediately preceding cycle.

REFERENCES:
patent: 2917955 (1959-12-01), Leger
patent: 3620007 (1971-11-01), Kauffman
patent: 4057958 (1977-11-01), Wuntch
patent: 6254270 (2001-07-01), Agnoff
patent: 6439761 (2002-08-01), Agnoff
patent: 6964513 (2005-11-01), Agnoff
patent: 2003/0076748 (2003-04-01), Rustioni

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