EP0290982A1 - Uhr und Verfahren zu deren Herstellung - Google Patents

Uhr und Verfahren zu deren Herstellung Download PDF

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Publication number
EP0290982A1
EP0290982A1 EP88107359A EP88107359A EP0290982A1 EP 0290982 A1 EP0290982 A1 EP 0290982A1 EP 88107359 A EP88107359 A EP 88107359A EP 88107359 A EP88107359 A EP 88107359A EP 0290982 A1 EP0290982 A1 EP 0290982A1
Authority
EP
European Patent Office
Prior art keywords
shaft
wheel
indicator member
rocker
reset
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.)
Granted
Application number
EP88107359A
Other languages
English (en)
French (fr)
Other versions
EP0290982B1 (de
Inventor
Michiel Groothuis
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.)
Conseilray SA
Original Assignee
Conseilray 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 Conseilray SA filed Critical Conseilray SA
Publication of EP0290982A1 publication Critical patent/EP0290982A1/de
Application granted granted Critical
Publication of EP0290982B1 publication Critical patent/EP0290982B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0842—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms
    • G04F7/0847—Watches or clocks with stop devices, e.g. chronograph with start-stop control mechanisms with column wheel
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0804—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms
    • G04F7/0814—Watches or clocks with stop devices, e.g. chronograph with reset mechanisms with double hammer, i.e. one hammer acts on two counters

Definitions

  • the subject of the present invention is a timepiece with at least one indicator indicator with drive capable of being interrupted, the drive mechanism of which is disengageable for this purpose.
  • the invention also relates to a method for producing this timepiece.
  • the object of this invention is to make it possible to easily transform an ordinary timepiece, comprising only the usual time indicating members (hours, minutes and, possibly, seconds) into a timepiece with at least one indicating member whose walking can be interrupted and restored at will, which is the case, in particular, with chronograph watches.
  • This timepiece of which only the organs necessary for the understanding of the invention have been represented, comprises an ordinary watch movement, the frame or cage of which is designated by 1, this movement serving to drive the usual indicator organs of the time (hours, minutes and seconds), not shown.
  • the cog of this movement includes a small second shaft 2 (fig. 4), making one revolution per minute, located on the 6 o'clock-12 o'clock axis of the watch, which projects beyond the frame 1 of the movement, and whose projecting end normally carries a small second hand that has been removed.
  • the frame 1 of the ordinary movement carries, mounted on its face which, normally, would be provided with the dial of the watch, the cage, comprising two plates 3 and 4, an auxiliary mechanism, chronograph, which cage is provided with a dial 5.
  • the plate 3 of this auxiliary mechanism, located under the dial 5, carries the bearing 6 of a shaft 7, coaxial with the shaft 2, carrying a second or chronograph hand 8.
  • the shaft 7 is supported , at its opposite end, by a flexible bridge 9 fixed to an element, not shown, of the cage of the chronograph mechanism, which exerts on the shaft 7 an axial pressure tending to apply a reset heart 10 that this shaft against the bearing 6 and, therefore, creating friction on the shaft 7 avoiding any jerking of the needle 8.
  • the shaft 7 carries, freely mounted on it, a drive wheel 11 made integral, but with friction, of the heart 10 by a cambered washer 12 interposed between it and said heart.
  • the projecting end of the shaft 2 of the gear train of the movement of the usual watch 1 carries, in place of the ordinary small seconds hand, a wheel 13, with the same number of teeth as the wheel 11 of which it is coaxial .
  • the chronograph mechanism comprises a lever 14, articulated at 15, which carries a double sliding gear 16-17, the two elements of which are integral with each other, are each located on one of the faces of said lever.
  • the two wheels 11 and 13 could have a different number of teeth, as could the two sliding gears 16 and 17.
  • the lever 14 is subjected to the action of a return spring 18 which tends to keep it in its clutch position. It is controlled by a column wheel 19, produced in the form of a six-nose cam, integral with a ratchet 20, with twelve teeth. This ratchet is controlled by a pawl 21 articulated at 22 on a chronograph lever 23, itself articulated at 24, actuated by means of a pusher 25.
  • the pawl 21 is extended by a part 21 a , elastically deformable, taking support on the head of a jumper 26, articulated at 27, ensuring the stability of the different positions of the column wheel.
  • the spring 21 a has a triple function: on the one hand it recalls the pawl 21, applying it against the ratchet 20, on the other hand it recalls the jumper 26, also applying it against the ratchet 20, and finally it recalls the chronograph rocker 23 in its rest position shown in the drawing.
  • the timepiece further comprises a minute indicator (minute counter) constituted by a hand 28 (fig. 5) mounted on a shaft 29 rotating between the plates 3 and 4 of the cage of the chronograph mechanism and which is integral with a reset core 30.
  • a cambered washer 31 is interposed between the core 30 and the plate 3 in order to create on the shaft 29 a friction preventing any jerking of the needle 28.
  • the shaft 29 carries a wheel 32 freely mounted on it and which is made integral, but frictionally, with the heart 30 by a cambered washer 33 interposed between the latter and said wheel, which allows resetting of the needle 28 to be carried out without that the wheel 32 is driven.
  • This wheel is driven, by means of a gear train comprising two mobiles 34 and 35 and a gear 36, by the wheel 11 for driving the chronograph hand 8 which meshes with the gear 36.
  • the reset of the two needles 8 and 28 is carried out using a reset lever 37, articulated at 38, having two purlins 37 a and 37 b forming two hammers cooperating with the reset hearts 10 and 30, respectively.
  • the reset lever 37 is subjected to the action of a return spring 39 which tends to rotate it counterclockwise to cause the two hammers to cooperate with the two hearts of reset.
  • the return of the reset lever 37 to the rest position, in which its two purlins 37 a and 37 b are distant from the two hearts 10 and 30, respectively, is carried out using the chronograph lever 23 which has for this purpose an extension 23 a cooperating with an arm 37 c that the rocker 37 has.
  • the latter also has a spout 37 d coming to hang, when the rocker is returned to the rest position by the chronograph rocker 23, to a retaining lever 40 articulated in 41, subjected to the action of a return spring 42, and which can be actuated using a reset push button 43.
  • This rocker has, at its end, a notch 44 (FIG. 1), in which is taken the spout 37 d of the reset lever 37.
  • This chronograph operates as follows: when the mechanism occupies its stop position, the hands 8 and 28 being at zero and held in this position by the two hammers 37 a and 37 b , respectively, position shown in FIG. 1, a pressure exerted on the pusher 25 brings the column wheel 19 into the position shown in FIG. 2 in which, under the action of its return spring 18, the rocker 14 has rotated clockwise, causing the double sliding pinion 16-17 which it carries to mesh with the two coaxial wheels 11 and 13, respectively, which causes the hands 8 and 28 to be driven.
  • the chronograph is therefore of the so-called "three-function" type. In the first case it acts on the pusher 25, bringing the mechanism back to the position of FIG. 2, whereas in the second case, it acts on the pusher 43, moving the latch retainer 40, whose movements are not prevented by the arm 14a of the lever 14, which releases the spout 37 of the reset lever 37 which, under the action of its return spring 39, falls, by a movement in the opposite direction to that of clockwise, on the two hearts 10 and 30, thus resetting the needles 8 and 28.
  • the shaft 7 carrying the chronograph hand 8 could be hollow and the shaft 2 of the clock movement, carrying the wheel 13, could extend through this hollow shaft and carry a second seconds hand turning at - above needle 8.
  • the present invention makes it possible to easily transform an ordinary watch, such as the watch the movement of which has been designated by 1, which only comprises the usual time indicating bodies (hours, minutes, possibly seconds) into a chronograph watch, that is to say, a watch comprising indicators whose operation can be interrupted and restored at will.
  • the ordinary dial of watch 1 will be eliminated and the movement of the auxiliary mechanism comprising the two plates 3 and 4 will be placed on the movement of the latter, at the location of the dial.
  • the shaft 2 of the gear train of the movement 1 carries, originally, a needle, for example a small second hand located outside the center, this needle will be removed and replaced by the wheel 13.
  • a needle for example a small second hand located outside the center
  • the tree of the cog of movement 1 used as a PTO for driving the additional indicator units, disengageable does not carry a needle, it must also be extended in order to project beyond the frame of movement 1 to allow that the wheel 13 is located, in height, in the thickness of the auxiliary mechanism.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP88107359A 1987-05-12 1988-05-07 Uhr und Verfahren zu deren Herstellung Expired - Lifetime EP0290982B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH181587A CH670187GA3 (de) 1987-05-12 1987-05-12
CH1815/87 1987-05-12

Publications (2)

Publication Number Publication Date
EP0290982A1 true EP0290982A1 (de) 1988-11-17
EP0290982B1 EP0290982B1 (de) 1990-11-07

Family

ID=4219246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107359A Expired - Lifetime EP0290982B1 (de) 1987-05-12 1988-05-07 Uhr und Verfahren zu deren Herstellung

Country Status (6)

Country Link
US (1) US4922474A (de)
EP (1) EP0290982B1 (de)
CA (1) CA1292123C (de)
CH (1) CH670187GA3 (de)
DE (1) DE3860980D1 (de)
ES (1) ES2018594B3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1672439A2 (de) * 2004-12-15 2006-06-21 Seiko Instruments Inc. Multifunktionsuhr mit einem Räderwerk und einem Antriebsmechanismus eines rücklaufigen Zeigers
EP2228692A1 (de) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Schaltrad für Chronograph, Chronograph und Taschenchronograph, der ein solches Rad umfasst

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0404468B1 (de) * 1989-06-19 1995-12-06 Seiko Epson Corporation Zeitmessvorrichtung
US5581520A (en) * 1994-01-18 1996-12-03 Electrodynamics, Inc. Watch driven elapsed time indicator apparatus and its method of manufacture and use
EP1575648A4 (de) * 2002-12-18 2007-07-04 Glaxo Group Ltd Arzneimittelabgabesystem mit belüftetem mundstück
JP4296019B2 (ja) * 2003-03-27 2009-07-15 セイコーインスツル株式会社 帰零構造を有するクロノグラフ時計
JP4626971B2 (ja) * 2004-12-15 2011-02-09 セイコーインスツル株式会社 戻しばねを含む扇形運針機構を有する多機能時計および扇形運針輪列装置
EP1746471B1 (de) * 2005-07-20 2019-09-18 Breitling AG Null-Rückstellungsvorrichtung für zwei Zeitzähler
EP2045672B1 (de) * 2007-10-02 2014-02-26 Omega SA Vorrichtung zur Nullrückstellung für zwei Zeitgeber
EP2068211B1 (de) * 2007-12-07 2013-03-13 Omega SA Chronograph-Steuervorrichtung
EP3185090B1 (de) * 2015-12-23 2019-10-23 Rolex Sa Zähler- und anzeigevorrichtung einer fraktion einer zeiteinheit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH12518A (de) * 1896-06-10 1897-01-15 Symon Robert Rintoul Ancre perfectionnée
FR850253A (fr) * 1938-11-16 1939-12-12 Bulova Watch Co Inc Montre à chronographe
FR2097126A1 (de) * 1970-07-02 1972-03-03 Schild Sa A

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832844A (en) * 1972-06-02 1974-09-03 Citizen Watch Co Ltd Push button type display correction mechanism on a timepiece
CH571741B5 (de) * 1973-04-06 1976-01-15 Valjoux Sa
CH500073A4 (de) * 1973-04-06 1976-02-13
CH576668B5 (de) * 1973-12-07 1976-06-15 Suisse Horlogerie

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH12518A (de) * 1896-06-10 1897-01-15 Symon Robert Rintoul Ancre perfectionnée
FR850253A (fr) * 1938-11-16 1939-12-12 Bulova Watch Co Inc Montre à chronographe
FR2097126A1 (de) * 1970-07-02 1972-03-03 Schild Sa A

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1672439A2 (de) * 2004-12-15 2006-06-21 Seiko Instruments Inc. Multifunktionsuhr mit einem Räderwerk und einem Antriebsmechanismus eines rücklaufigen Zeigers
EP1672439A3 (de) * 2004-12-15 2007-04-11 Seiko Instruments Inc. Multifunktionsuhr mit einem Räderwerk und einem Antriebsmechanismus eines rücklaufigen Zeigers
US7269102B2 (en) 2004-12-15 2007-09-11 Seiko Instruments Inc. Multifunction timepiece having fan shape moving hand train wheel and fan shape moving hand train wheel apparatus
EP2228692A1 (de) * 2009-03-12 2010-09-15 ETA SA Manufacture Horlogère Suisse Schaltrad für Chronograph, Chronograph und Taschenchronograph, der ein solches Rad umfasst
WO2010103060A1 (fr) * 2009-03-12 2010-09-16 Eta Sa Manufacture Horlogère Suisse Roue a colonnes pour chronographe, chronographe et montre-chronographe comportant une telle roue
US8529121B2 (en) 2009-03-12 2013-09-10 Compagnie des Montres Longines, Fracillion S.A. Column-wheel for a chronograph, chronograph and chronograph watch including such a wheel

Also Published As

Publication number Publication date
DE3860980D1 (de) 1990-12-13
ES2018594B3 (es) 1991-04-16
US4922474A (en) 1990-05-01
EP0290982B1 (de) 1990-11-07
CH670187GA3 (de) 1989-05-31
CA1292123C (fr) 1991-11-19

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