EP0060216B1 - Pièce d'horlogerie à mécanisme de déclenchement - Google Patents

Pièce d'horlogerie à mécanisme de déclenchement Download PDF

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Publication number
EP0060216B1
EP0060216B1 EP82810014A EP82810014A EP0060216B1 EP 0060216 B1 EP0060216 B1 EP 0060216B1 EP 82810014 A EP82810014 A EP 82810014A EP 82810014 A EP82810014 A EP 82810014A EP 0060216 B1 EP0060216 B1 EP 0060216B1
Authority
EP
European Patent Office
Prior art keywords
wheel
support
timepiece
contact
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP82810014A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0060216A1 (fr
Inventor
Willy Cleusix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebauches Electroniques SA
Original Assignee
Ebauches Electroniques SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebauches Electroniques SA filed Critical Ebauches Electroniques SA
Publication of EP0060216A1 publication Critical patent/EP0060216A1/fr
Application granted granted Critical
Publication of EP0060216B1 publication Critical patent/EP0060216B1/fr
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/34—Devices on watches or similar portable timepieces

Definitions

  • the subject of the present invention is a timepiece according to the preamble of claim 1.
  • Patent US-A-3580504 describes a timepiece in which an arm carrying a permanent magnet is normally driven in rotation by a graduated time display disc itself driven by a clockwork movement. In its rotational movement, the magnet passes near two contact elements made of soft magnetic material, which are applied against each other by the magnetic field of this magnet. The trigger time is given by the position of the arm on the disc, and it can be modified by moving this arm relative to this disc.
  • Swiss patent CH-A-526,154 describes an alarm watch having a trigger mechanism comprising a wheel of insulating material whose angular position can be adjusted, and a metal arm produced in one piece with the barrel of the hour wheel. A spring biases the insulating wheel against a projection located at the end of said metal arm. The triggering of the alarm occurs by the contacting of the contact element which constitutes said projection with a second contact element carried by the insulating wheel.
  • the object of the present invention is to remedy these drawbacks.
  • the watch shown is of the electromechanical type, the time indicators being constituted by ordinary hour 1 and minute 2 hands, carried, first, by the barrel 3a of the hour barrel wheel, designated by 3 and, the second by the roadway, designated by 4.
  • the motor, electric mechanism has not been shown, being known per se. It may be constituted by a stepping motor controlled by a quartz resonator via an adequate division chain. Energy will be supplied by an electric battery.
  • the hour-barrel wheel 3 is engaged with a wake-up wheel 5, made of steel, interposed, with play along the axis of rotation, between a toothed wheel 6, of electrically insulating material, rotatably mounted in the movement plate, denoted by 7, and a wheel 8, coaxial with said insulating wheel 6.
  • the gear ratio between the hour barrel wheel 3 and the alarm wheel 5 is 1: 1 ; however, this ratio can advantageously be 1: 2 so that the alarm wheel makes one revolution per twenty-four hours in the case of a twelve-hour watch, whose hour wheel makes two revolutions per day.
  • the wheel 5 is earthed in particular by means of the wheel 3 with which it remains in contact.
  • the insulating wheel 6 carries an electrically conductive permanent magnet 9, in the form of a bar, the axis of which is parallel to that of said wheel 6, and the distance from the center of which corresponds to the distance from the center of a boss 5a, directed towards the insulating wheel 6, which has the wheel 5.
  • the latter is freely engaged on a barrel 8a which has the wheel 8, a barrel crossed by a pin 6a of the wheel 6.
  • the latter also has a lug 6b engaged in a notch in the barrel 8a so that the wheels 6 and 8 are angularly integral. They are held together by riveting 6c from the end of the pin 6a.
  • the wheel 6 carries, on its face opposite to that facing the wheel 5, a thin metal washer 10, in the form of a crown which is fixed to said wheel 6 by means of two diametrically opposed studs 6d (FIGS. 2 and 3).
  • This ring 10 has a radial arm 10a, directed inward.
  • This arm 10a rests elastically on the end of a pin 11, which is coaxial with the wheel 6, and which is carried by a printed circuit substrate 12 of the watch.
  • This pin 11 is in electrical contact with one of the conductive tracks, designated by 13, of said circuit substrate 12.
  • the elastic arm 10a of the crown 10, forming a spring urges the assembly formed by the wheel 6 and the wheel 8 against a bridge 14 of the movement frame of the watch.
  • the wheel 8 is furnished with a crown 15 of anti-friction plastic material by means of which it bears on the bridge 14. The latter therefore undergoes a slight elastic deformation, it therefore constitutes a spring urging the unit mechanically unitary formed by the wheels 6 and 8 against the plate 7.
  • the wheel 6 is engaged with a control pinion 16, which can be actuated manually using a control mechanism 100 known per se, which makes it possible to manually modify its angular position.
  • a control mechanism 100 known per se, which makes it possible to manually modify its angular position.
  • the wheel 8 integral with the wheel 6, it is engaged with an additional barrel wheel 17.
  • the latter is engaged on the barrel 3a of the barrel wheel 3, and it comprises a barrel 17a on which is mounted a so-called wake-up needle 18.
  • the insulating wheel 6 has, on its face facing the alarm wheel 5, an annular rib 6th coaxial with said wheel 6, and the distance from the center of which is greater than that of the magnet 9.
  • An annular clearance 19 is provided in said face of the wheel 6 on the inside of the rib 6e, and it is suitably dimensioned so that the boss 5a of the wheel 5 does not come into contact with the wheel 6, for all the relative angular positions of the wheels 5 and 6 for which the boss 5a is not located opposite the magnet 9.
  • This clearance is connected by two inclined planes with the flat end face 9a which the magnet 9 presents on the side directed towards the wheel 5.
  • This end face 9a is set back relative to the free edge of the rib 6e, so that the wheel 5 does not come into contact with the magnet 9 when the latter is not opposite the boss 5a.
  • the shrinkage of the end face 9a relative to the free edge of the rib 6e is low enough for the boss 5a to come into contact with said face 9a when these two elements 5a, 9a are opposite one of the 'other.
  • the bosssge 5a is normally located opposite the annular clearance 19.
  • the alarm trigger mechanism does not constitute any overload for the movement, consuming almost no energy.
  • the contact closes instantly, ensuring a frank start of the striking mechanism.
  • this mechanism undergoes practically no wear.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
EP82810014A 1981-02-26 1982-01-15 Pièce d'horlogerie à mécanisme de déclenchement Expired EP0060216B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1319/81 1981-02-26
CH131981A CH638365B (fr) 1981-02-26 1981-02-26 Piece d'horlogerie a mecanisme de declenchement.

Publications (2)

Publication Number Publication Date
EP0060216A1 EP0060216A1 (fr) 1982-09-15
EP0060216B1 true EP0060216B1 (fr) 1985-04-24

Family

ID=4207656

Family Applications (2)

Application Number Title Priority Date Filing Date
EP82810014A Expired EP0060216B1 (fr) 1981-02-26 1982-01-15 Pièce d'horlogerie à mécanisme de déclenchement
EP82810013A Expired EP0060215B1 (fr) 1981-02-26 1982-01-15 Pièce d'horlogerie à mécanisme de déclenchement modulaire

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP82810013A Expired EP0060215B1 (fr) 1981-02-26 1982-01-15 Pièce d'horlogerie à mécanisme de déclenchement modulaire

Country Status (6)

Country Link
US (2) US4427301A (it)
EP (2) EP0060216B1 (it)
JP (2) JPS57157175A (it)
CH (1) CH638365B (it)
DE (2) DE3263194D1 (it)
HK (2) HK46890A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452537A (en) * 1981-11-30 1984-06-05 Rhythm Watch Co., Ltd. Alarm setting apparatus for timepieces
CH672704B5 (it) * 1988-05-26 1990-06-29 Ebauchesfabrik Eta Ag
JPH04165401A (ja) * 1990-10-29 1992-06-11 Sekisui Chem Co Ltd 制御弁の異常検知制御装置
US5798986A (en) * 1996-10-28 1998-08-25 Industrial Technology Research Institute Alarm mechanism system
US6088302A (en) * 1997-04-25 2000-07-11 Seiko Instruments Inc. Electronic timepiece
US6582118B1 (en) * 1997-04-25 2003-06-24 Seiko Instruments Inc. Electronic timepiece having transmission wheel rotational position detecting apparatus
ES2375014T3 (es) * 2008-03-11 2012-02-24 Parmigiani Fleurier S.A. Mecanismo de relojería coaxial.
EP3185089B1 (fr) * 2015-12-21 2019-03-06 ETA SA Manufacture Horlogère Suisse Module moteur pour montre

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1974409A (en) * 1931-05-11 1934-09-25 Stanford Products Ltd Electrical alarm clock
DE1523790C3 (de) * 1966-10-05 1979-03-22 Gebrueder Junghans Gmbh, 7230 Schramberg Schalteinrichtung für eine Signaleinrichtung in Weckeruhren
CH526154A (fr) * 1968-06-17 1971-02-26 Spadini Paolo Montre dont le mouvement est équipé d'un contact électrique
US3580504A (en) * 1969-01-24 1971-05-25 Purex Corp Ltd Irrigation control apparatus
US3596460A (en) * 1969-04-29 1971-08-03 Timex Corp Alarm device for a horological instrument
JPS4857673A (it) * 1971-11-18 1973-08-13
JPS5253492Y2 (it) * 1973-09-11 1977-12-05
US4098071A (en) * 1975-10-09 1978-07-04 Matsushita Electric Industrial Co., Ltd. Time signal clock
JPS5276060A (en) * 1975-12-22 1977-06-25 Rhythm Watch Co Time setting device for clock
US4196583A (en) * 1976-03-19 1980-04-08 Kabushiki Kaisha Daini Seikosha Analogue electronic alarm timepiece
JPS5820952Y2 (ja) * 1977-05-26 1983-05-02 セイコ−光機株式会社 目覚時計の時刻検出スイッチ
US4199930A (en) * 1978-01-19 1980-04-29 The Gillette Company Alarm switch for an alarm circuit in a horological device
JPS56101589A (en) * 1980-01-17 1981-08-14 Seiko Koki Kk Time detection device of alarm clock
JPS56166483A (en) * 1980-05-27 1981-12-21 Star Seimitsu Kk Alarm contact unit for alarm clock

Also Published As

Publication number Publication date
JPH0236913B2 (it) 1990-08-21
HK46790A (en) 1990-06-22
EP0060215A1 (fr) 1982-09-15
JPS57157176A (en) 1982-09-28
CH638365GA3 (it) 1983-09-30
JPS57157175A (en) 1982-09-28
DE3263195D1 (en) 1985-05-30
HK46890A (en) 1990-06-22
US4465381A (en) 1984-08-14
US4427301A (en) 1984-01-24
EP0060215B1 (fr) 1985-04-24
CH638365B (fr)
EP0060216A1 (fr) 1982-09-15
JPS6314915B2 (it) 1988-04-02
DE3263194D1 (en) 1985-05-30

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