EP1517197A1 - Echappement pour une montre - Google Patents

Echappement pour une montre Download PDF

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Publication number
EP1517197A1
EP1517197A1 EP03405689A EP03405689A EP1517197A1 EP 1517197 A1 EP1517197 A1 EP 1517197A1 EP 03405689 A EP03405689 A EP 03405689A EP 03405689 A EP03405689 A EP 03405689A EP 1517197 A1 EP1517197 A1 EP 1517197A1
Authority
EP
European Patent Office
Prior art keywords
wheel
escapement
pulse
armature
output
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
EP03405689A
Other languages
German (de)
English (en)
Other versions
EP1517197B1 (fr
Inventor
Paul Gerber
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE50307083T priority Critical patent/DE50307083D1/de
Priority to AT03405689T priority patent/ATE360232T1/de
Priority to EP03405689A priority patent/EP1517197B1/fr
Publication of EP1517197A1 publication Critical patent/EP1517197A1/fr
Application granted granted Critical
Publication of EP1517197B1 publication Critical patent/EP1517197B1/fr
Anticipated expiration legal-status Critical
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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements

Definitions

  • the present invention is concerned with the field of watchmaking, in particular with a known under the name inhibition Watch mechanism.
  • the purpose of the escapement is to reduce the oscillations of the balance (or pendulum) to entertain and count a clock, taking the time from the Federhaus receives energy delivered via the gear train and periodically Partial releases of this drive energy to the Regulierorgan him to repay energy lost due to friction losses.
  • the Inhibition is a distribution organ. The different Inhibitory mechanisms have been treated in numerous writings, with to the work "Théorie de I'horlogerie * by Reymondin et al, Fédération des ijks Techniques, 1998, ISBN 2-940025-1-X, pages 99-128 can be.
  • the anchor contains an input and a Output palette and a pulse finger.
  • the escape wheel has two different sized, directly superimposed teeth on.
  • the Anchor pallets span a slightly larger angle than the anchor Pitch angle of the escapement wheel.
  • the pallets and the impulse finger work respectively with the large resp. of the small teeth together.
  • the main part of the drive pulse is made by the action of the small teeth on the pulse finger. All other functions are due to the interplay between Pallets and large gearing met.
  • the pallet engaged at that time is a light one Impulse from the big gearing.
  • the balance gets during a full swing in the course of the first half a part of the one and then emitted by the other gearing double pulse, respectively. in the course of the second half-wave one pulse weaker Intensity that is exclusively caused by the large gearing.
  • the object of the present invention is the description a proposed solution for a lost half-oscillation inhibition, without the disadvantages listed above.
  • the present invention finds application in mechanical watches.
  • the usually necessary for the functioning of such a clock elements which are well known to those skilled in the art are not described here.
  • to Reminder is merely mentioned that the inhibition the energy of Drive member receives via the gear train and to the Regulierorgan, i. at the balance is redistributed.
  • the armature 22 is pivotally mounted about the axis 24 and consists of a Anchor rod 26, an input arm 28 and an output arm 30, both converging at the shaft 24.
  • the arms 28 and 30 carry one each preferably made of ruby pallet, or an input palette 32nd respectively.
  • the free end of the anchor rod 26 has the shape one equipped with two horns 38, 40 and a safety pin 42 Fork 36, which in known manner with the double roller 10th cooperates.
  • the armature 22 is provided with a third arm 44, which is superimposed on the two other arms and has one end fixed to the shaft 24 and the other end carrying a pulse pallet 46.
  • the pulse arm 44 is, viewed globally, arranged transversely to the arms 28 and 30.
  • the escape wheel 48 is connected to an axle 50 and consists of a large wheel 52 and a fixedly connected thereto small wheel 54 and a drive 56. These two wheels are spiked, as in an English anchor escapement, and each have 15 teeth.
  • the arranged on the shaft 50 Hemmungstrieb 56 establishes the kinematic connection to the gear train, not shown.
  • the two wheels 52 and 54 are riveted to the drive 56 and positioned equal to each other.
  • limit stops 58 and 60 which, as its name implies, limit the deflection of the anchor 22 on both sides. These can be as in the work plate pressed pins or as directly into the Work plate or incorporated into the anchor bridge sidewalls implemented be.
  • the described inhibition is of the half-lost type. This means that the balance in a first, so-called dead half-wave tilt the anchor so that the large wheel 52 without impulse from the stop the input pallet 32 transitions to the stop at the output pallet 34. In In a second, so-called active half-vibration, the balance causes it Getting off the big wheel 52 from the output palette 34, and that small wheel 54 gives the pallet 46 a pulse.
  • the axis is 50 of Hemmrads 48 aligned at the center line, but it can be offset become.
  • a so-called secondary inhibition used which has the advantage that the anchor relative to its axis is brought into balance
  • the interaction between the fork 36 and the double roller 10 is similar to the Swiss lever escapement.
  • the control pin 20 cooperates with the horns 38 and 40 and the safety pin 42, which strikes against the roller in a shock, changes thanks to the notch 18 of the small roller 14 from one side to the other.
  • the input pallet 32 and the output pallet 34 are arranged such that they cooperate in the common mode of the balance oscillations alternately with the teeth of the large escapement wheel 52.
  • the pallets 32 and 34 comprise a slightly larger angle than that measured over three wheel pitches.
  • the pulse pallet 46 cooperates with the teeth of the small escapement wheel 54.
  • Figure 3 shows that the outside AC of the Input pallet 32 a Congressebne AB and a triggering sheet BC having.
  • a line becomes perpendicular to the resting plane AB through the point pulled, in which the side surface AC comes into contact with the wheel 52, so this line intersects the anchor axis 22 and the balance axis 12th running center line such that a tensile torque is created, the way acts to keep the anchor rod 26 supported on the stop 58.
  • the arc BC has a concentric to the movement path of the pallet Curvature and a center angle of typically twelve degrees, the Pulse angle ⁇ of the angle, which is shown in Figure 2, so that the return of the escape wheel on the beginning of the triggering is limited.
  • the entrance pallet runs to one Trigger tip called point at point C out.
  • the the inside the top of the pallet 32 forming level CD is the axis of the armature 24 out aligned and thus never comes with the teeth of the big one Escapement wheel 52 in contact.
  • the output pallet 34 has a rest plane EF, against which the Teeth of the large escapement wheel 52 come to the support. Will one Line perpendicular to the rest plane EF drawn through the point where the Side surface AC comes into contact with the wheel 52, so this cuts Line over the armature axis 22 and the axis 50 of the escape wheel 48th running center line such that a tensile torque is created, the way acts to keep the anchor rod 26 supported on the stopper 60.
  • the pallet 34 runs to a trigger beak forming tip on Point F off.
  • the plane FG forms a sharp point with the rest plane EF Angle, so that the teeth of the large escapement wheel 52 never in it Come in contact.
  • the pulse pallet 46 has a pulse plane Hl at which the teeth of the small escapement wheel 54 come to the support.
  • the pallet 46 is running to a peak forming its momentum beak at point I.
  • the level IJ forms with the pulse plane Hl an acute angle, so that the teeth of the small escapement wheel 54 never come into contact with it.
  • the Double roll 10 in the direction of arrow 62, the security pin 20 is in Term to come into contact with the horn 40.
  • a tooth 52b of the big one Hemmungsrades 52 is in support of the resting plane AB.
  • the control pin is supported the roller 20 on the horn 40 and the anchor 22 is pivoted.
  • the Entrance pallet 32 initially disengages from its engagement with the tooth 52b Slipping out of the plane AB, with slight return of the escape wheel 48, and then the plane BC, through its special form described above any return during this movement phase is avoidable. If the Tooth 52b reaches the pallet tip C is due to the particular Forming the level CD does not give any impulse to the input palette.
  • the Escapement wheel 48 falls on the contrary directly through, or freely turns on until one tooth 52e spaced three teeth from the tooth 52b with the outlet pallet 34 in contact.
  • the armature 22 remains motionless and the escape wheel 48 is by his Support on the output pallet 34 locked. During this time go through the balance and the double role 10 an additional, rising bow until the end of their half-wave, whereupon they a descending bow initiating the next half-cycle take the rest phase.
  • the roll side control pin 20 then enters Contact with the horn 38 and causes the pivoting of the armature 22 in the direction indicated by the arrow 64 of Figure 2, whereby first a slight return of the escape wheel 48 and then the Triggering of the tooth 52 e caused by the output pallet 34. Released wheel 48 continues to rotate clockwise.
  • a tooth 54a of the small escapement wheel 54 then comes in contact with the plane Hl of the pulse pallet 46. It begins the pulse phase, the Escapement wheel 48 supplies energy to the balance in order to increase its vibration maintained, via the armature 22 and in particular the horn 40, which cooperates with the control pin 20. Is particularly advantageous while the given at the moment of the impulse start alignment of Pulse plane Hl of the pallet 46 with the center line.
  • the escape wheel 48 continues its rotation, the release of the Pulse Pallet 46 occurs, and continues to rotate freely to one four teeth from the tooth 52e remote tooth 52a, the resting plane AB of the input palette 32 touches.
  • the armature 22 is pivoted and the tooth 52a slides on the plane AB to the anchor rod 26 abuts the stop 58.
  • the balance and the double role 10 go through a new additional rising arc until the end of their second half-vibration, whereupon she a descending bow introducing the next half-wave start and start a new cycle like the one just described.
  • pulse angle ⁇ of the armature 22 shown in FIG and ⁇ of the escapement wheel 48 in relation to the usual values, with an ⁇ -value of usually between eight and ten degrees 12 degrees, resp. at about ten degrees ⁇ -value of 19 degrees. Of the Efficiency of the inhibition is thereby increased significantly.
  • the two divisions of the large escape wheel 48 includes, creating a very far away from the armature rotation axis 24 case control of the escape wheel 48 is made possible by the output pallet 34.
  • the accuracy of this Movement is improved by this and the palette 34 does not need deep in the teeth intervene to the rotation of the wheel 48 is effective unstoppable.
  • the mechanical exerted between these two parts Loads, and consequently their wear, are thus reduced.
  • the inertia of the armature is increased by its larger mass, but the improvement provided by the shape of the arm is similar this disadvantage largely.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Steroid Compounds (AREA)
  • Electromechanical Clocks (AREA)
EP03405689A 2003-09-22 2003-09-22 Echappement pour une montre Expired - Lifetime EP1517197B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50307083T DE50307083D1 (de) 2003-09-22 2003-09-22 Hemmung für Uhr
AT03405689T ATE360232T1 (de) 2003-09-22 2003-09-22 Hemmung für uhr
EP03405689A EP1517197B1 (fr) 2003-09-22 2003-09-22 Echappement pour une montre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405689A EP1517197B1 (fr) 2003-09-22 2003-09-22 Echappement pour une montre

Publications (2)

Publication Number Publication Date
EP1517197A1 true EP1517197A1 (fr) 2005-03-23
EP1517197B1 EP1517197B1 (fr) 2007-04-18

Family

ID=34178688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03405689A Expired - Lifetime EP1517197B1 (fr) 2003-09-22 2003-09-22 Echappement pour une montre

Country Status (3)

Country Link
EP (1) EP1517197B1 (fr)
AT (1) ATE360232T1 (fr)
DE (1) DE50307083D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006284582A (ja) * 2005-03-30 2006-10-19 Montres Breguet Sa 時計用戻止脱進機
JP2006284580A (ja) * 2005-03-30 2006-10-19 Montres Breguet Sa 時計用戻止脱進機
WO2007003539A3 (fr) * 2005-07-04 2007-06-07 Montres Breguet Sa Echappement a ancre a haut rendement
EP1914605A1 (fr) * 2006-10-19 2008-04-23 Patek, Philippe SA Echappement à ancre
JP2008224665A (ja) * 2007-03-09 2008-09-25 Eta Sa Manufacture Horlogere Suisse 接線方向の衝突を受ける脱進機
CN101334629B (zh) * 2007-05-30 2012-03-14 奥米加股份有限公司 用于时计的叉瓦式擒纵机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US46652A (en) * 1865-03-07 Improvement in chronometer-escapements
CH274902A (de) * 1949-04-05 1951-04-30 Reinhard Dr Straumann Ankerhemmung für Uhrwerke.
EP0018796A2 (fr) * 1979-04-30 1980-11-12 George Daniels Montres, pendules, chronomètres et échappements destinés à ces instruments
EP1045297A1 (fr) * 1999-04-12 2000-10-18 Omega SA Echappement coaxial à ancre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US46652A (en) * 1865-03-07 Improvement in chronometer-escapements
CH274902A (de) * 1949-04-05 1951-04-30 Reinhard Dr Straumann Ankerhemmung für Uhrwerke.
EP0018796A2 (fr) * 1979-04-30 1980-11-12 George Daniels Montres, pendules, chronomètres et échappements destinés à ces instruments
EP1045297A1 (fr) * 1999-04-12 2000-10-18 Omega SA Echappement coaxial à ancre

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006284582A (ja) * 2005-03-30 2006-10-19 Montres Breguet Sa 時計用戻止脱進機
JP2006284580A (ja) * 2005-03-30 2006-10-19 Montres Breguet Sa 時計用戻止脱進機
WO2007003539A3 (fr) * 2005-07-04 2007-06-07 Montres Breguet Sa Echappement a ancre a haut rendement
CN101238419B (zh) * 2005-07-04 2010-04-07 蒙特雷布勒盖股份有限公司 高性能叉瓦式擒纵机构
US7731415B2 (en) 2005-07-04 2010-06-08 Montres Breguet Sa High-performance lever escapement
EP1914605A1 (fr) * 2006-10-19 2008-04-23 Patek, Philippe SA Echappement à ancre
JP2008224665A (ja) * 2007-03-09 2008-09-25 Eta Sa Manufacture Horlogere Suisse 接線方向の衝突を受ける脱進機
CN101334629B (zh) * 2007-05-30 2012-03-14 奥米加股份有限公司 用于时计的叉瓦式擒纵机构

Also Published As

Publication number Publication date
EP1517197B1 (fr) 2007-04-18
ATE360232T1 (de) 2007-05-15
DE50307083D1 (de) 2007-05-31

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