Horology: time measuring systems or devices – Cases – With crown or stem details
Patent
1996-09-03
1997-12-16
Miska, Vit W.
Horology: time measuring systems or devices
Cases
With crown or stem details
368319, G04B 3700, G04B 2900
Patent
active
056993277
ABSTRACT:
A timepiece 1 comprising in particular a case 8 having a back cover 10 and a middle part 12 in a single piece, a control stem 26 co-operating with a pull-out piece 44, and an extractor device 48 enabling a part of the pull-out piece 44 to be raised to free it from the control stem 26. The timepiece is characterized in that the extractor device 48 comprises an extractor element 48 having a first branch 50 which slides in the movement 2 in a direction substantially perpendicular to the plane of the movement 2, the end of said first branch 50 being substantially facing the pull-out piece 44, and a second branch 52 which comprises a portion projecting from the periphery of the movement 2 to form a gripping arm. The extractor element 48 is free to move between a first position called the rest position, in which it does not act on the pull-out piece 44, and a second position called the operating position, in which the end of the first branch 50 pushes the pull-out piece 44 out of the groove of the control stem 26.
REFERENCES:
patent: 4469448 (1984-09-01), Muller
patent: 4979156 (1990-12-01), Kester
patent: 5043958 (1991-08-01), Kaelin
patent: 5598383 (1997-01-01), Li
Boissenin Olivier
Knuchel Daniel
Miska Vit W.
SMH Management Services AG
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