EP1925994A1 - Schlagwerk - Google Patents

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Info

Publication number: EP1925994A1
Authority: EP; European Patent Office
Prior art keywords: barrel; shaft; ring; control member; mechanism according
Prior art date: 2006-11-21
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

EP06124462A

Other languages

English (en)

French (fr)

Other versions

EP1925994B1 (de

Inventor

Alain Schiesser

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.)

CHRISTOPHE CLARET ENGINEERING SA

Original Assignee

Christophe Claret 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.)

2006-11-21

Filing date

2006-11-21

Publication date

2008-05-28

2006-11-21 Application filed by Christophe Claret SA filed Critical Christophe Claret SA

2006-11-21 Priority to EP06124462.0A priority Critical patent/EP1925994B1/de

2008-05-28 Publication of EP1925994A1 publication Critical patent/EP1925994A1/de

2017-06-14 Application granted granted Critical

2017-06-14 Publication of EP1925994B1 publication Critical patent/EP1925994B1/de

Status Not-in-force legal-status Critical Current

2026-11-21 Anticipated expiration legal-status Critical

Links

238000006073 displacement reaction Methods 0.000 claims abstract description 5
238000004804 winding Methods 0.000 claims description 20
241001417494 Sciaenidae Species 0.000 description 3
230000001960 triggered effect Effects 0.000 description 3
241000282461 Canis lupus Species 0.000 description 2
241000237858 Gastropoda Species 0.000 description 2
230000000903 blocking effect Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1

Images

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
- G04B21/12—Reiterating watches or clocks
- 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
- G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
- G04B3/003—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously by lever mechanism

Definitions

the present invention relates to the field of mechanical watchmaking. It relates, more particularly, a striking mechanism comprising a barrel provided with a shaft for its winding by a conventional winding and rakes to be driven by the barrel to ring the current time.
This mechanism comprises an automatic triggering system and a manual triggering system with a control member operable by the wearer.
Such a mechanism has its own power source and has a winding system independent of the engagement of the ring.
the barrel can be armed by the carrier, by means of a conventional manual winding system mainly comprising a winding stem cooperating with the barrel shaft.
the ringer barrel can also be armed automatically, by means of a conventional automatic winding system. mainly comprising an oscillating mass cooperating with the barrel shaft.
This barrel provides the energy needed for ringtones, whether triggered on demand or in transit.
the barrel being released respectively manually or automatically.
some parts include an indicator especially dedicated to display this information. Although providing a certain comfort to the wearer, this display does not solve the problem of additional energy consumption of the barrel of ringing engendered a manually triggered ring.
the present invention aims to solve this problem by proposing a large bell mechanism in which the manual triggers are not detrimental to the power reserve of the barrel ring.
a train connected kinematically to the barrel shaft is driven by the control member.
the clutch system is a locking system interposed between the gear train and the barrel shaft.
control member comprises an independent return system of the barrel.
the barrel 14 can be reassembled by a conventional winding system shown in Figure 2 and actuated by a winding rod 20 to be housed in the middle of the box in which takes place the movement.
the watch case was not shown in the drawing.
the winding stem 20 can occupy a first pushed position, generally allowing time setting and in which it does not interact with the barrel and a second drawn position in which it is kinematically connected with the barrel shaft 14b.
This kinematic connection between the winding stem 20 and the barrel shaft 14b is via a gear train 26 ending with a ratchet mounted squarely on the barrel shaft at a first end thereof.
a pawl 28 prevents the spring to unwind by the shaft 14b, thereby forcing the stored energy out through the drum 14a of the barrel.
an automatic winding system can be used to wind the barrel.
a control member typically a bolt 30 moving together with a rack 32, like a conventional minute repeater.
the bolt 30 and the rack 32 form a single piece, but they could as well be separated, the bolt 30 pushing the rack 32 when moved.
the rack 32 meshes with the barrel shaft 14b by means of a clutch system, so that the rack 32 and the shaft 14b are kinematically connected during the movement of the rack 32 in a first direction , but that these elements are kinematically independent during the displacement of the rack 32 in the second direction, or when pivoting the shaft 14b in this second direction.
This latching system may be formed of a ring 34 coaxial with the barrel 14, provided with an external toothing 34a and an inner toothing 34b of wolf teeth type.
This ring 34 is connected to the barrel shaft 14b by a radial spring 36 having a hub 36a mounted squarely on the shaft 14b, at its second end and typically two elastic blades 36b, exerting a radial pressure towards the outside of the ring and ending with a toothed portion cooperating with the internal toothing 34b.
a single elastic blade of sufficient length may also be suitable. However, the use of multiple blades can share the torque between the different teeth.
the ring can be guided in rotation by means of a plate, not shown, driven into a recess that includes the upper part or the lower part of the ring. The plate is pivoted on the axis of the barrel to provide the guiding function.
the toothed portions of the elastic blades 36b are arranged to cooperate with the wolf teeth of the internal toothing 34b so that the pivoting of the ring generated by the triggering of the ringing by means of the bolt 30 drives the barrel 14b in rotation.
neither the pivoting of the barrel shaft 14b in the other direction, for example during the disassembly of the movement, nor the driving of the shaft 14b during the normal manual or automatic winding of the barrel 14 causes moving the bolt 36.
the external toothing 34b of the ring 34 transmits the movement of the bolt 30 to a wheel 38 with which it meshes.
This wheel 38 is provided with a return system, for example a spiral spring 40, allowing the return of the bolt 30 to its rest position since it can not be provided by the barrel shaft, as it is the case in classical minute repetitions.
the shaft 14b and the rack 32 are also kinematically independent of one another.
the wheel 38 also carries an arm 42 mounted on its axis and ending with a bearing zone intended to cooperate with a control member to trigger the bell.
This control member may be a driving wheel of a camshaft, as in the application EP 06124443.0 already mentioned.
This control member can also be a rocker releasing a pawl in a conventional mechanism.
the position of the arm 42 relative to the wheel can be adjusted simply, during its assembly so that the ringing is triggered only if the bolt has been moved enough to load the barrel with a quantity of energy at least substantially equal to that consumed by the course of the ringing. It is therefore possible to reset the barrel without triggering the ring, which offers an alternative for the winding of the barrel.
the person skilled in the art could naturally arrange this arm 42 on a wheel other than that proposed, the wheel chosen in front of it simply be kinematically connected to the control member when it is actuated to engage the buzzer.
a ringing mechanism which combines certain interests of a great bell, namely to be able to ring the hours in passing, and a rack-and-pinion minute repeater, namely not to be dependent on the state of the art.
charging a ringer barrel to sound the ring The presence of the clutch device makes it possible for the control device for manually triggering the ringer not to be influenced by the running of the ringtones when passing or by the winding of the ringer barrel, a problem which obviously does not arise in the case of a conventional minute repetition.

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Predetermined Time Intervals (AREA)

EP06124462.0A 2006-11-21 2006-11-21 Schlagwerk Not-in-force EP1925994B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP06124462.0A EP1925994B1 (de)	2006-11-21	2006-11-21	Schlagwerk

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP06124462.0A EP1925994B1 (de)	2006-11-21	2006-11-21	Schlagwerk

Publications (2)

Publication Number	Publication Date
EP1925994A1 true EP1925994A1 (de)	2008-05-28
EP1925994B1 EP1925994B1 (de)	2017-06-14

Family

ID=38326462

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP06124462.0A Not-in-force EP1925994B1 (de)	2006-11-21	2006-11-21	Schlagwerk

Country Status (1)

Country	Link
EP (1)	EP1925994B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2363761A1 (de) *	2010-03-05	2011-09-07	Montres Breguet SA	Vorrichtung zur Messung des Drehmoments zum Abschalten des Schlagwerks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US433225A (en) *		1890-07-29		Baillot
US621002A (en) *		1899-03-14		Fourth to john u
DE4120886A1 (de) *	1990-04-13	1993-01-14	Int Watch Co Iwc	Repetieruhr
CH689337A5 (fr) *	1996-09-03	1999-02-26	Patek Philippe Sa	Pièce d'horlogerie à carillon.

2006
- 2006-11-21 EP EP06124462.0A patent/EP1925994B1/de not_active Not-in-force

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US433225A (en) *		1890-07-29		Baillot
US621002A (en) *		1899-03-14		Fourth to john u
DE4120886A1 (de) *	1990-04-13	1993-01-14	Int Watch Co Iwc	Repetieruhr
CH689337A5 (fr) *	1996-09-03	1999-02-26	Patek Philippe Sa	Pièce d'horlogerie à carillon.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
F. LECOULTRE: "Les montres compliquées", EDITIONS HORLOGÈRES, pages: 182 - 205

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2363761A1 (de) *	2010-03-05	2011-09-07	Montres Breguet SA	Vorrichtung zur Messung des Drehmoments zum Abschalten des Schlagwerks
US8406088B2 (en)	2010-03-05	2013-03-26	Montres Breguet Sa	Torque measuring device for stopping a striking work

Also Published As

Publication number	Publication date
EP1925994B1 (de)	2017-06-14

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