Timepiece with an activating mechanism
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United States of America Patent
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Jan 24, 1984
Grant Date -
N/A
app pub date -
Feb 26, 1982
filing date -
Feb 26, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The alarm wheel (5) is mounted with axial clearance between an insulating plate (6) and a wheel (8). This wheel (5) is in mesh with the hour cannon wheel (3). It has an embossment (5a) which, once during each turn, passes in front of a magnet (9) carried by the plate (6). The wheel (5) is then attracted axially and its embossment (5a) enters into contact with the magnet (9), grounding the latter. Now, the magnet (9) being in permanent contact with one of the conductive tracks (13) of the printed circuit of the watch, this track (13) is thus grounded. The user of the watch can alter the time at which the releases are produced by altering the angular position of the plate (6). No spring acts axially on the alarm wheel (5) which moves freely between the wheel (8) and an annular rib (6e) provided on the plate 6.
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