Timepiece with an activating mechanism

Details Timepiece with an activating mechanism Timepiece with an activating mechanism

1982-02-26

1984-01-24

Weldon, Ulysses

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

368252, G04B 2302

Patent

active

044273010

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.

REFERENCES:
patent: 4098071 (1978-07-01), Kawakami et al.
patent: 4098071 (1978-07-01), Kawakami et al.
patent: 4196583 (1980-04-01), Komaki
patent: 4199930 (1980-04-01), Lebet et al.
patent: 4351043 (1982-09-01), Ogihara et al.

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