CN103003759A

CN103003759A - Timepiece equipped with a mechanism for displaying the phases of the moon

Info

Publication number: CN103003759A
Application number: CN2011800141911A
Authority: CN
Inventors: 让娜·罗沙-雷蒙; 布鲁诺·埃尔贝
Original assignee: Daniel Roth et Gerald Genta Haute Horlogerie SA
Current assignee: Daniel Roth et Gerald Genta Haute Horlogerie SA
Priority date: 2010-03-17
Filing date: 2011-03-16
Publication date: 2013-03-27
Anticipated expiration: 2031-03-16
Also published as: DE112011100926B4; DE112011100926T5; WO2011113170A1; CH702842B1; CH702842A1; CN103003759B

Abstract

Timepiece equipped with a mechanism for the retrograde display of the phases of the moon, comprising a mobile (8) indicating the phases of the moon in a kinematic drive relationship with a cam (5a) driven by the minute gear train, this cam (5a) being shaped in such a way as to move the moon phase indicator mobile in one direction during the ascending lunar phase and in the opposite direction during the descending lunar phase in order to move said indicator mobile (8), characterized in that the ratio between said minute gear train and said cam (5a) is chosen to effect one revolution over two lunar cycles, and in that the cam (5a) is a double heart shape, each heart corresponding to one of the lunar cycles.

Description

Be equipped with the clock and watch of the mechanism that shows the phases of the moon

Technical field

The present invention relates to a kind of clock and watch that rebound shows the mechanism of the phases of the moon that are equipped with, cam under it comprises indication and going train drives has motion to drive the movable part of the related phases of the moon, this cam is shaped so that the moon phase indicator movable part moves towards a direction and mobile in the opposite direction during wane phase (descending lunar phase) being full of by the moon during the phase (ascending lunar phase), this indicator movable part is installed towards the lunar cycle scale, the lunar cycle scale is at least part of to be positioned on the movable part that is installed in movably between two piles (abutments), this movable part comprises for the parts of tensioning backstay and is suitable for meshing with the driver part that is fixed to described indicator movable part at the stroke two ends of this indicator movable part, move to another pile with the described movable part that will show the lunar cycle scale from a pile, backstay always with this movable part engagement with the phases of the moon, with the support movable parts alternately against each described pile.

Background technology

Proposed to be used for such mechanism that rebound (retrograde) shows the phases of the moon in the European patent EP 1870785.

Last in per half lunar system (lunar) cycle, allow the tension element of the movable part swing (tilting) or beat (skipping) of demonstration lunar cycle scale to pass through to another dip plane from a dip plane of backstay (jumper), its effect is that the moment of torsion that backstay under the tensioning state is applied on the movable part that shows the lunar cycle scale is reverse, so it moves in two piles (abutment) another.Because to be connected to a cam angle motion of advancing on the element of cam small and slow with being passed to motion, therefore should swing in two days and realize.

Because small angular displacement, show that the beating of movable part of lunar cycle scale realized in two days, be not full of or lose as long as know this two days phases of the moons, this situation is exactly not satisfied.

Summary of the invention

The object of the invention is to this shortcoming of at least part of correction.

For this purpose, the invention reside in a kind of clock and watch that are equipped with the mechanism that shows the phases of the moon according to claim 1.

The present invention be it should be noted that, because the ratio of gear between described going train and the described cam is selected as realizing that at two lunar cycles a circle rotates, its cam is diplocardia shape (double heart shape), each heart-shaped section is corresponding to a lunar cycle, and contiguous the first axle X-X ' of two heart-shaped sections shoulder separately and their pointed noses (points) separately are positioned on the second axle perpendicular to the first axle X-X '.

This new shape of cam is so that advance the angular velocity of element and can increase, and therefore shortens beating of the movable part that shows the lunar cycle scale, and for example, this is beated and realized in one day.

This cam is preferably formed and is the groove on the described intermediate active parts, and cam follower is engaged in wherein.This so that can obtain between cam and the movable part that shows the lunar cycle scale, engage with the simple elasticity bearing and to be connected opposite company and to control (desmodromic) connection.The selection of groove is solved the restriction of motion and size, and the steadiness in the impact situation is provided.

In ensuing explanation, with reference to diagrammatically and example ground show the accompanying drawing of an embodiment of clock and watch of the present invention, other advantage and the feature of clock and watch of the present invention will become apparent.

Description of drawings

Fig. 1 is the front elevation of the embodiment of expression display element primary importance;

Fig. 2 be the expression display element second place, with the similar view of Fig. 1;

Fig. 3 is the view that has at the indication mechanism of the display element of position shown in Figure 1;

Fig. 4 is the view that has at the indication mechanism of the display element of position shown in Figure 2

Embodiment

What mechanism shown in Figure 3 comprised that motion ground is coupled to going train (motion work gear train) pulls out pin (setting) wheel 1, and this unique going train moving component represents that given its is unique parts as the gear train of driving moon phase indicator mechanism.This pulls out pinwheel 1 per 12 hours rotation one circles.Pull out pinwheel 1 and jagged movable part 2 engagements, movable part 2 has and doubles the tooth that pulls out pinwheel 1, so that movable part 2 rotated a circle in per 24 hours.This movable part 2 has and drives finger 3, and it is installed into and pivots and control and against hairspring 4 by hairspring (spring) 4 elasticity.

In each circle of movable part 2 rotates, drive finger 3 and can touch the tooth of locating, having the intermediate active parts 5 of 59 teeth by backstay 6.Therefore, this intermediate active parts 5 revolved and to turn around in per 59 days, were equivalent to approximate two lunar cycles, had per 3 years one day error.

These intermediate active parts 5 comprise diplocardia shape cam 5a, and it forms the groove that is positioned at movable part 5.Therefore, these intermediate active parts 5 and cam 5a form single parts.Even so, also independent cam can be fixed on the intermediate active parts 5.

Each heart-shaped section is corresponding to a lunar cycle, and shoulder 5b adjacent shafts X-X ' and their the pointed nose 5d separately separately of two heart-shaped sections is positioned on the axle Y-Y ' perpendicular to axle X-X '.Preferably, each heart-shaped 5b of section has asymmetric profile to guarantee the continuity of lunar cycle.

The cam follower 7 that pivots at pin comprise roller or double-screw bolt 7a and centered by pivot and with the sector gear of pinion wheel 8 engagements, pinion wheel 8 act as the moon phase indicator movable part, its axle is fixed to indicator or the pointer 15 (Fig. 1,2) that inswept scale moves.This pinion wheel 8 also with by hairspring 10 spring-loaded the second sector gears 9 that reset meshes, and plays the double-screw bolt 7a of supporting cam follower 7 and the contacted effect of profile of cam 5a.This pinion wheel 8 is fixed on the plate 8a that pin 8b is installed.

Semilune roller 7a contacts and is engaged on groove 5a with groove 5a and guided at groove 5a.This roller 7a is fixed on the cam follower with the sector gear 7 that is meshed with movable part 8.This roller 7a also can have other shape.

Therefore, axle X-X ' limits by roller 7a because the rotation of the intermediate active parts 5 that driven finger 3 drives and beginning and the end of the lunar cycle that two heart-shaped sections in groove 5a advance, and axle Y-Y ' limits two semiperiods of the lunar cycle of being advanced along two heart-shaped sections in the groove 5a by roller 7a.

The axle that is installed as around moon phase indicator pinion wheel 8 with the movable part 11 of the scale corresponding with the indication of the phases of the moon of lunar cycle pivots.This movable part 11 can be at pile 12a, freely be pivoted on the axle of pinion wheel 8 between the 12b, and support as being resisted against these piles 12a by elastomeric element 13, on one or the other of 12b, elastomeric element 13 is positioned at sheet spring free end and has two relative dip plane, swings thereby two relative dip plane alternately are engaged to parts 11a sheet spring and permission movable part 11 that advances to be fixed to the elastomeric element 13 of movable part 11.

This movable part comprises that also the pin 8b with plate 8a is engaged to the concentric circular arc opening 11b of axle of pinion wheel 8 wherein.The Angular Dimension of this circular arc opening 11b deducts a tooth pitch of the pinion wheel 8 of the moon phase indicator movable part that is driven by sector gear 7 corresponding to half lunar system cycle.For this reason, last in each half lunar system cycle, the end of pin 8b and circular arc opening 11b meets and drives this movable part 11.This is driven into another with parts 11a from a dip plane of elastomeric element 13, its effect is to make that to be in the moment of torsion that the elastomeric element 13 under the state is applied on the movable part 11 reverse, therefore, movable part is moved with against two pile 12a, another among the 12b.

Movable part 11 with six phases of the moons be designed to selectively and replacedly present by three openings 14 (Fig. 1 and 2) on the timepiece dial.These openings 14 have around the angular separation at the pivot center of indicator component 15, it doubles the angular separation between the phases of the moon that movable part 11 has, this and pile 12a, the angular motion of the movable part 11 between the 12b is corresponding, so that move to another pile 12b from a pile 12a or another phases of the moon series occurs the opening 14 when opposite when this movable part 11.For this reason, in two phases of the moons that movable part 11 has one is full of phase the moon, with the other phases of the moon that alternated in these first month be the wane phase.This makes it possible to Alternation Display moon phase indicator pointer 15 and is full of phase the moon when mobile clockwise, and the wane when moving in the opposite direction with this moon phase indicator pointer 15 mutually.This movable part 11 also can be with two arrows directed in opposite directions, with the moving direction of indication moon phase indicator pointer 15.These arrows can alternately occur in opening 16 simultaneously along with moon phase change.

Claims

1. one kind is equipped with the clock and watch that rebound shows the mechanism of the phases of the moon, cam (5a) under comprising indication and going train driving has motion to drive the movable part (8) of the related phases of the moon, this cam (5a) is shaped so that the moon phase indicator movable part moves towards a direction and moves in the opposite direction during wane mutually during being full of by the moon mutually, this indicator movable part (8) is installed towards the lunar cycle scale, at least part of being positioned at of lunar cycle scale is installed in two pile (12a movably, on the movable part 12b) (11), this movable part (11) comprises for the parts (11a) of tensioning backstay (13) and is suitable for meshing with the driver part (8b) that is fixed to described indicator movable part (8) at the stroke two ends of described indicator movable part (8), move to another pile (12b) with the described movable part (11) that will show the lunar cycle scale from a pile (12a), this backstay (13) always with the engagement of this movable part (11) of the phases of the moon, replace against each described pile (12a with the support movable parts, 12b), it is characterized in that, ratio of gear between described going train and the described cam (5a) is selected as realizing that at two lunar cycles a circle rotates, and this cam (5a) is the diplocardia shape, each heart-shaped section is corresponding to a lunar cycle, and contiguous the first axle (X-X ') of two heart-shaped sections shoulder (5b) separately and their pointed noses (5d) separately are positioned on the second axle (Y-Y ') perpendicular to the first axle (X-X ').

2. clock and watch according to claim 1, wherein this cam (5a) is the groove (5a) that is positioned on the described intermediate member (5), cam follower (7a) is engaged in wherein.

3. clock and watch according to claim 2, wherein two heart-shaped sections (5a) have asymmetric profile.

4. according to claim 2 or 3 described clock and watch, wherein this cam follower (7a) is roller.

5. clock and watch according to claim 4, wherein this roller (7a) is semilune.

6. each described clock and watch in 5 according to claim 1, the described movable part (11) that wherein shows the phases of the moon are also with the indication to the moving direction of the described pointer (15) that is fixed to this indicator movable part.