EP1408381A1 - Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr - Google Patents

Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr Download PDF

Info

Publication number: EP1408381A1
Authority: EP; European Patent Office
Prior art keywords: plate; centrifugal; regulator; roller; regulator according
Prior art date: 2002-10-07
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

EP02079171A

Other languages

English (en)

French (fr)

Other versions

EP1408381B1 (de

Inventor

Jean Remont

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.)

Montres Breguet SA

Original Assignee

Montres Breguet SA

Nouvelle Lemania 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.)

2002-10-07

Filing date

2002-10-07

Publication date

2004-04-14

2002-10-07 Application filed by Montres Breguet SA, Nouvelle Lemania SA filed Critical Montres Breguet SA

2002-10-07 Priority to AT02079171T priority Critical patent/ATE438124T1/de

2002-10-07 Priority to EP02079171A priority patent/EP1408381B1/de

2002-10-07 Priority to DE60233141T priority patent/DE60233141D1/de

2004-04-14 Publication of EP1408381A1 publication Critical patent/EP1408381A1/de

2009-07-29 Application granted granted Critical

2009-07-29 Publication of EP1408381B1 publication Critical patent/EP1408381B1/de

2022-10-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/06—Details of striking mechanisms, e.g. hammer, fan governor

Definitions

the present invention relates to a centrifugal ring regulator, especially for a timepiece, comprising a turntable around its central axis and provided with two diametrically opposed training pads, a body stationary having an inner surface of revolution centered on said axis, and two flyweights mutually symmetrical with respect to said axis, engaged each respectively on one of the training pads and arranged to lean against the inner surface of the body under the effect of centrifugal force when the plate rotates.
a regulator of this kind can be used to limit the speed or rate of any mechanical buzzer driven by at least one rotary element, for example in a clock or a bell watch, whether of the type passing or repetition.
a regulator limits the speed primarily by friction.
the speed of the ringing is stabilized as soon as the regulator reaches a speed of rotation such that the friction produces on its axis an equal and opposite torque to the engine torque that it receives from the motor organ of the ringing.
Such a regulator has the disadvantage of undergoing wear which modifies the conditions friction during its service life and also produces waste that is likely to to affect the operation of the watch.
each counterweight is formed by a lever whose longest arm contains the center of gravity and whose Shortest arm carries a roller which leans rolling against a fixed central cylinder.
the wear of the regulator bodies is almost zero, given the low angular velocity of the rollers in contact with the central cylinder, which can be very small diameter. It can be deduced that a regulator constructed thus provides only one low torque resistant.
the present invention aims at creating a centrifugal regulator which avoids the disadvantages of the prior art, in particular by presenting little wear and tear while having good efficiency, with a size small enough to be incorporated into a shows.
centrifugal regulator of the kind indicated in preamble, characterized in that each weight leans against the surface interior of the body via at least one rotatably mounted roller on the flyweight and arranged to roll on said inner surface.
each counterweight comprises two of these rollers, which are spaced from each other in the direction of the circumference of the tray. More the angular spacing of these rollers is large, the greater the bearing force on each roller is large, for a given value of the centrifugal force exerted on the flyweight. This increases the friction, which allows to reduce the size of the regulator or the mass of each weight, for a given value of the torque resistant.
the watch 1 In the watch 1 partially shown in Figure 1, there are certain main elements of the watch movement, notably a spring-loaded cylinder 2 which driving a gear train 3 connected to a regulating system constituted here by a vortex 4.
the shows 1 also contains a ringtone type grand ring, with a 6 hour hammer, which strikes on a 7 hour stamp, and a hammer of minutes 8 which strikes on a minute stamp 9.
the hammers are operated from known manner from a mobile ring center 10 which is driven by the spring of a barrel 11 through an intermediate mobile 12.
a regulator centrifugal ring 14 is rotated from the center mobile 10 by a multiplier gear train 15, the last element of which is a wheel driver 16 which meshes with a pinion 17 of the regulator 14.
the elements of the centrifugal ring regulator 14 are represented more in detail in Figures 2 to 4.
the gear 17 of the regulator is made of a piece with a shaft 18 whose ends are pivotally mounted by stones 23 in a platinum 20 and a bridge 21, to rotate about a central axis 22 of the regulator.
a circular plate 24 is fixed to the pinion 17 and extends in a plane perpendicular to the shaft 22.
a regulator body 25 is fixed to the plate 20 by screws 26 and presents a cylindrical inner surface 27 whose diameter is slightly larger than the outer diameter of the plate 24. It will be noted that the body 25 could be formed by any fixed part of the watch, as for example according to the patent CH 604 237 cited above.
FIG. 2 and 3 show the rotating part of the centrifugal regulator shown in FIG. 2.
Two identical flyweights 30 are mounted movable on the turntable 24. It is provided with two training pads 31 occupying diametrically opposite positions on the board and each having a cylindrical barrel 32 which emerges from the upper face 33 of the plate. Each pad 31 is engaged with a lateral clearance 34 in a cylindrical hole 35 of the weight 30 corresponding, the diameter of the hole 35 being substantially greater than that of the barrel of the plot 31 to allow the flyweight to move on the plateau, at least in a radial direction of it.
each 30 has several localized spans such as 36, while a small gap 37 is formed between the remainder of its lower face and the plate 24 to avoid that the lubrication may stick the weight on the plate.
the weight is held up by a washer 38 driven on the shaft 18.
An interval 39 is provided between the two weights 30 to ensure freedom of sufficient displacement in the plane of the plate 24.
each weight has the shape of a segment of a circle that covers almost half of the plateau 24.
Two circular rollers 40 are rotatably mounted on each weight 30, each by means of a pin 41 driven into a corresponding hole the weight, the tenon having an enlarged head 42.
Each roller 40 is disposed in a recess 43 of the weight, so as to be substantially at the same level as the CG center of gravity of the flyweight.
Each roller 40 is made of a hard material, preferably a stone synthetic such as ruby.
a stone synthetic such as ruby.
the rollers 40 emerge slightly at the periphery of the weights 30 and are intended to lean against the inner surface 27 (Figure 2) of the body 25 of the regulator.
the sliding support of the pebbles 40 of synthetic stone on the studs 41 which are preferably made of steel, allows high contact pressures and great rotational speed with a moderate coefficient of friction, even without lubricant, of so that wear is almost zero at this point.
the rollers 40 could also be made of a suitable metal, for example cupro-beryllium.
the Weights can be made of any sufficiently dense material, by example in brass or gold.
the other elements of the regulator are realized in usual materials in the field of watchmaking.
a centrifugal regulator according to the invention can be used with any type of mechanical bell.

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Pinball Game Machines (AREA)
Friction Gearing (AREA)
Harvester Elements (AREA)
Percussion Or Vibration Massage (AREA)
Centrifugal Separators (AREA)

EP02079171A 2002-10-07 2002-10-07 Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr Expired - Lifetime EP1408381B1 (de)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
AT02079171T ATE438124T1 (de)	2002-10-07	2002-10-07	Zentrifugalregler eines schlagwerkes, insbesondere in einer uhr
EP02079171A EP1408381B1 (de)	2002-10-07	2002-10-07	Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr
DE60233141T DE60233141D1 (de)	2002-10-07	2002-10-07	Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP02079171A EP1408381B1 (de)	2002-10-07	2002-10-07	Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr

Publications (2)

Publication Number	Publication Date
EP1408381A1 true EP1408381A1 (de)	2004-04-14
EP1408381B1 EP1408381B1 (de)	2009-07-29

Family

ID=32011019

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02079171A Expired - Lifetime EP1408381B1 (de)	2002-10-07	2002-10-07	Zentrifugalregler eines Schlagwerkes, insbesondere in einer Uhr

Country Status (3)

Country	Link
EP (1)	EP1408381B1 (de)
AT (1)	ATE438124T1 (de)
DE (1)	DE60233141D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2008090041A1 (fr) *	2007-01-15	2008-07-31	Vaucher Manufacture Fleurier S.A.	Mecanisme de sonnerie des heures
US7527423B2 (en)	2004-04-15	2009-05-05	Montres Breguet Sa	Watch comprising two tourbillons

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH14178A (fr) *	1897-03-24	1897-10-15	Henri Sandoz	Régulateur de vitesse pour montres à répétition
CH15833A (fr) *	1898-01-07	1898-07-31	Ditisheim & Cie	Frein-régulateur pour mécanismes d'horlogerie
CH25658A (fr) *	1902-04-02	1903-05-31	Mathey Tissot & Co E	Régulateur de vitesse du petit rouage des montres à répétition
CH31197A (fr) *	1904-07-29	1905-03-15	Le Coultre & Cie	Modérateur silencieux pour le petit rouage de montres à répétition

2002
- 2002-10-07 DE DE60233141T patent/DE60233141D1/de not_active Expired - Lifetime
- 2002-10-07 AT AT02079171T patent/ATE438124T1/de not_active IP Right Cessation
- 2002-10-07 EP EP02079171A patent/EP1408381B1/de not_active Expired - Lifetime

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH14178A (fr) *	1897-03-24	1897-10-15	Henri Sandoz	Régulateur de vitesse pour montres à répétition
CH15833A (fr) *	1898-01-07	1898-07-31	Ditisheim & Cie	Frein-régulateur pour mécanismes d'horlogerie
CH25658A (fr) *	1902-04-02	1903-05-31	Mathey Tissot & Co E	Régulateur de vitesse du petit rouage des montres à répétition
CH31197A (fr) *	1904-07-29	1905-03-15	Le Coultre & Cie	Modérateur silencieux pour le petit rouage de montres à répétition

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7527423B2 (en)	2004-04-15	2009-05-05	Montres Breguet Sa	Watch comprising two tourbillons
WO2008090041A1 (fr) *	2007-01-15	2008-07-31	Vaucher Manufacture Fleurier S.A.	Mecanisme de sonnerie des heures
US7965584B2 (en)	2007-01-15	2011-06-21	Vaucher Manufacture Fleurier S.A.	Hour indicating ringing mechanism

Also Published As

Publication number	Publication date
EP1408381B1 (de)	2009-07-29
DE60233141D1 (de)	2009-09-10
ATE438124T1 (de)	2009-08-15

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