CN105650224A - A stepping device - Google Patents
A stepping device Download PDFInfo
- Publication number
- CN105650224A CN105650224A CN201510836972.9A CN201510836972A CN105650224A CN 105650224 A CN105650224 A CN 105650224A CN 201510836972 A CN201510836972 A CN 201510836972A CN 105650224 A CN105650224 A CN 105650224A
- Authority
- CN
- China
- Prior art keywords
- axle
- rotationally
- step device
- hub
- driving member
- 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
Links
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
- G04B19/00—Indicating the time by visual means
- G04B19/20—Indicating by numbered bands, drums, discs, or sheets
- G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
- F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
-
- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/22—Compensation of changes in the motive power of the mainspring
- G04B1/225—Compensation of changes in the motive power of the mainspring with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electromechanical Clocks (AREA)
- Displays For Variable Information Using Movable Means (AREA)
- Gear Transmission (AREA)
- Toys (AREA)
Abstract
The invention relates to a stepping device capable of cyclically advancing a number plate of a digital display of a clock. The stepping device is provided with an indicator control transmission part disposed at a first shaft in an antitorque manner and capable of rotatably driving in circulating steps. An indicator driving gear disposed at a second shaft can be rotatably driven by the indicator control transmission part. The second shaft can be rotatably driven by the indicator driving gear. A transmission mechanism disposed at the second shaft and capable of being rotatably driven by the second shaft can rotatably drive a number plate gear fixed to a third shaft or a rotatably supporting number plate hub, wherein the second shaft or the rotatably supporting number plate hub can bear the number plate. The transmission mechanism can be disposed at the second shaft in a free rotation manner with a gap, and can drive the third shaft at a plurality of fastening positions or the rotatably supporting number plate hub. The number of the fastening positions is corresponding to characters radially arranged on the number plate or the number of the characters.
Description
Technical field
The present invention relates to the step device of the dial card (Ziffernscheibe) of the digital indicator of a kind of table that for circulating moves forward, have: telltale control driving member, it is torsionally arranged on the first axle and can drive rotationally in the step of circulation, wherein, the telltale driving gear being arranged on the 2nd axle can control driving member by telltale and can drive rotationally, and telltale driving gear can be utilized to drive the 2nd axle rotationally; It is arranged in transmission rig that is on the 2nd axle and that can drive rotationally by the 2nd axle, dial card gear can be driven rotationally by it, dial card gear is fixedly placed in the 3rd axle or the scale hub that can support rotationally, at it circumferentially evenly distributedly with character or numeral, wherein, the 3rd axle or can support rotationally scale hub carrying dial card.
Background technology
The character shown respectively or numeral are visible by having the window of cover plate at this for viewer. In such step device, can control, at telltale, the event that driving member place causes the heeling condition of character or the numeral to be shown when step starts.
Summary of the invention
Therefore, it is an object of the present invention to realize a kind of step device starting described type, which results in the correct orientation of the character shown respectively or numeral.
According to the present invention, this object thus solves, namely transmission rig can be arranged on the 2nd axle with a gap freely to rotate, and the 3rd axle in multiple stop position or the scale hub that can support rotationally can drive rotationally, the quantity of stop position is equivalent to the quantity of character that radial loop is arranged on dial card around ground or numeral.
When moving forward, first by backlash compensation event so that the heeling condition of character or the numeral that show does not occur due to this event. Subsequently, after dial card completes conversion, the correct location of dial card and the reset in gap is achieved equally by stop position.
Transmission rig (Trieb) can with one between 2 �� and 10 ��, particularly gap between 3 �� and 5 �� can be arranged in freely to rotate on the 2nd axle.
Thus generating gap in simple structural scheme, namely driven member and the 2nd axle are permanently connected, and this driven member extend in the space of the long hole shape of transmission rig on the direction of radial rotary with having gap.
This torsionally can being arranged from Moving plate on the 2nd axle, it has the driven pin parallel with the 2nd axle, and this driven pin extend in the space of long hole shape of transmission rig.
In order to be driven in stop position correct accordingly, stop part hub can be torsionally arranged in a straightforward manner on the 3rd axle or the scale hub that can support rotationally, this stop part hub its radial loop around side face place there is the recessed profile of stop, it has the multiple locking grooves evenly circumferentially distributed, the quantity of locking groove is equivalent to the quantity of character that radial loop is arranged on dial card around ground or numeral, and stop part is radially flexibly engaged in locking groove.
At this, when stop arrangement is when the end that the free end of spring arm and spring wall are other is fixing, it is necessary to less structure space.
In order to realize fast, not have blocking of frictionloss at least as far as possible, stop part can be the stop roller that freely can rotate around the axis parallel with the 3rd axle or the scale hub that can support rotationally.
At this, when locking groove there is the cross section of V shape, stop part is directed to locking groove by the side of this cross section, the most deep location of the exact position that defines dial card time, cause the accurate location of dial card.
Dial card can be minute position dish (Einerminutenscheibe) or minute ten dishes (Zehnerminutenscheibe).
Telltale control driving member (Anzeigesteuertrieb) can have the control driving member (Steuertrieb) of single tooth or many teeth, and locking element can be swinging in its tooth rotary area and from wherein showing in circulation step.
Saving structure space is especially, step device can be driven in the step of circulation rotationally by stepping equipment, the tensioning axis again formed by drive shaft of the mechanism of tensioning again can also be driven in step rotationally by it, and the memory whisker of the mechanism of tensioning again can be strained again, now not only achieved the reach of the circulation of dial card by unique stepping equipment, also achieve the straining again of memory whisker of the mechanism of tensioning again.
At this, stepping equipment can have each suitable improvement scheme.
Accompanying drawing explanation
Embodiments of the invention shown in the drawings, and below it is described in detail. At this illustrate
Fig. 1 is the diagram for dial card and the stepping equipment of the step device of the memory whisker of tensioning mechanism again,
Fig. 2 is the skeleton view of the step device of the dial card according to Fig. 1,
Fig. 3 is the side-view of the step device of the dial card according to Fig. 1,
Fig. 4 is the amplification local figure of " X " in Fig. 1.
Embodiment
In FIG, first crosses wheel (Kleinbodenrad) 3 can be driven via intermediate speed pinion 2 rotationally by clockwork spring box 1, and first crosses wheel is fixedly placed on drive shaft.
First crosses wheel 3 is engaged in telltale control driving member 5, and telltale control driving member is torsionally arranged on the first axle 6, is torsionally furnished with the control driving member 7 of single tooth in an end of this axle.
Telltale driving gear 8 can control driving member 5 by telltale and can drive rotationally, and it is fixedly placed on the 2nd axle 9, and this axle torsionally carries from Moving plate 10.
Other parallel from Moving plate 10, transmission rig 11 can be arranged on the 2nd axle 9 freely to rotate, transmission rig has the space 12 of concentricity long hole forms, be fixedly placed on from Moving plate 10, the driven pin 13 that is parallel to the 2nd axle 9 has the ground, gap defining gap and extend in a rotational direction in this space, thus make transmission rig 11 can rotate 4 �� relative to from Moving plate 10.
Transmission rig 11 is engaged in dial card gear 14 again, and dial card gear is fixedly placed in scale hub 38, and this scale hub also carries minute position dish 16 for showing minute. Scale hub 36 can be rotatably supported on axle 15. On a minute position dish 16, radial loop arranges character 0 to 9 evenly distributedly around ground. To be shown respectively minute character be visible by the window in unshowned cover plate for viewer subsequently.
Scale hub 38 is also torsionally furnished with stop part hub 17, stop part hub its radial loop around side face on there are equally distributed ten locking grooves 18 corresponding to the character quantity on minute position dish 16, it has the cross section of V shape.
Being tangential to stop part hub 17 ground and be furnished with spring arm 19, spring arm utilizes one end thereof to be fixedly placed on the fixing part place of table. Other at it, freely end be furnished with the stop roller 21 that freely can rotate around the stop roller axis 20 being parallel to axle 15, its pressed to by the pre-tensioner of spring arm 19 radial loop around side face 22 and can snap in locking groove 18.
The control driving member 7 of single tooth is discharged once for once rotating by stepping equipment for every minute. The event occurred at this is, the control driving member 7 of single tooth carries out the unexpected rotation campaign of about 20 �� wherein. At this by transmission, telltale driving gear 8 has carried out the rotation campaign of about 4 ��.
The rotation campaign with the 2nd axle 9 of telltale driving gear 8 is take part in from Moving plate 10. After have passed through its gap in the space 12 of long hole forms, driven pin 13 just drives transmission rig 11, so that with rear drive dial card gear 14 and stop part hub 17.
In rotating drive after the event, when stop part hub 17 rotates, stop roller 21 is taken out by the side of its slope shape from locking groove 18, and moves until next locking groove 18 ' on cylindrical side face 22 between locking groove 18 along it.
Because at telltale driving gear 8 place, complete rotation campaign is no longer carried out when changing due to the gap of the driven pin 13 in the space 12 of long hole forms, so stop roller 21 does not fall the bottom of next locking groove 18 ', but first stop on the side of the slope shape of groove 18 '. Stop part hub 17 is just made to be rotated further by the pre-tensioning of spring arm 19, until stop roller 21 snaps onto in next locking groove 18 ' completely. Therefore, also make a minute position dish 16 be rotated further a character ground accurately to locate.
The axis of tensioning again formed by drive shaft 4 of tensioning mechanism also can be driven rotationally by stepping equipment in the way of minute stepping again, and strained the memory whisker 23 of the mechanism of tensioning more again by step device. Memory whisker 23 is arranged around drive shaft 4 ground. Utilizing its inner end, memory whisker 23 and the 2nd hub crossing wheel 24 are permanently connected, and the 2nd crosses wheel can be rotatably supported on drive shaft 4 by means of hub.
Cross wheel 24 by the 2nd and can drive the 4th axle 25 continuously rotationally, this axle is furnished with second wheel 26. The pinion(gear) of the escapement 27 of the escapement of second wheel 26 oscillatory systems with table engages.
The end regions place of the 4th axle 25 arrange eccentric wheel 28, its first arm 30 of three arm levers 31 free end by pitch 29 around. Three arm levers 31 swingingly can support around the lever shaft 32 being parallel to the 4th axle 25. When the 4th axle 25 rotates, the first arm 30 is swung between first terminal position and the 2nd terminal location by eccentric wheel 28.
Free end at the 2nd arm 33 of lever 31 is furnished with the first locking element being configured to the first supporting plate 34, and simultaneously free end at the 3rd arm 35 is furnished with the 2nd locking element being configured to the 2nd supporting plate 36.
In the first terminal position of lever 31, the first supporting plate 34 swings in the tooth rotary area of the tooth 37 of the control driving member 7 of single tooth, and this tooth rotary area is arranged in the first axle 6 place.
In the 2nd terminal location of lever 31, outside the first supporting plate 34 is positioned at the tooth rotary area of tooth 37, and the 2nd supporting plate 36 swings in the tooth rotary area of tooth 25 of the 2nd single-tooth gear 39, and this tooth rotary area is arranged in the 5th axle 40 place being parallel to the 4th axle 25.
In first terminal position, outside the 2nd supporting plate 36 is positioned at the tooth rotary area of the tooth 41 of the 2nd gear 39.
5th axle 40 carries the 2nd driving gear, and it is crossed wheel 3 by first and can drive rotationally.
In the first terminal position of lever 31, the rotation being resisted against the first supporting plate 34 place by making tooth 37 and hindering the control driving member 7 of single tooth.
Therefore, also stopped first via the first axle 6 and telltale control driving member 5 lock and crossed wheel 3, thus the driving spring of clockwork spring box 1 can not drive first to cross wheel 3 tension memory whisker 23.
But, by the 2nd mistake wheel 24 loaded by memory whisker 23, controllably achieve the continuous print rotating drive of the 4th axle 25 and eccentric wheel thereupon 28 by oscillatory system.
Thus, the control to tensioning mechanism again is realized by the oscillatory system of table.
At this, lever 31 is swung to the direction of its 2nd terminal location by eccentric wheel 28 from its first terminal position.
Thus make the first supporting plate 34 outwards move out from the tooth rotary area of tooth 37, and release the control driving member 7 of single tooth.
Make in the tooth rotary area that the 2nd supporting plate 36 moves to tooth 41 simultaneously.
When straining the driving spring of clockwork spring box 1, drive shaft and the of short duration rotation of the first mistake wheel 3 thereupon occur now.
At this, via the 2nd driving gear, the 5th axle 40 is rotated until tooth 41 arrives at the butting section at the 2nd supporting plate 36 place.
Now, lever 31 swings to its first terminal position by eccentric wheel 28 from its 2nd terminal location, and wherein, the first supporting plate 34 is moved in the tooth rotary area of tooth 37, and the 2nd supporting plate 36 outwards moves out from the tooth rotary area of tooth 41.
When straining the driving spring of clockwork spring box 1, now occur that drive shaft and first crosses wheel 3 and single control driving member 7 of tooth and the rotating drive of the 2nd gear 39, until the tooth 37 of the control driving member 7 of single tooth touches the first supporting plate 34 place, and the control driving member 7 of the single tooth of locking and thereupon first cross being rotated further of wheel 3.
As described above, a minute position dish 16 is also made to be rotated further a character by making the control driving member 7 of single tooth rotate rotating drive once.
Cross wheel 3 by rotating first, the circulation strained again remembering whisker 23 has occurred, take turns 26 by this memory whisker via the second and drive escapement and oscillatory system continuously.
At the 5th axle 40 place, being parallel to the 2nd gear 39 ground and arrange damping gear 42, it is engaged in the pinion(gear) 43 on impeller shaft 44, this impeller shaft carrying fan blade 45.
Because motion also driving fan blade 45 straining again, so motion is strained on decay ground again, thus do not occur that gear 37 and 41 strongly bumps against supporting plate 34 and 36 place and bounce-back campaign therefore do not occur.
Reference numerals list
1 clockwork spring box
2 intermediate speed pinions
3 first cross wheel
5 telltale control driving members
6 first axles
The control driving member of 7 single teeth
8 telltale driving gears
9 the 2nd axles
10 from Moving plate
11 transmission rigs
The space of 12 long hole forms
13 driven pins
14 dial card gears
15 axles
16 minutes position dishes
17 stop part hubs
18 locking grooves
18 ' locking groove
19 spring arms
20 stop Roller Shaft
21 stop rollers
22 cylindrical sides
23 memory whiskers
24 the 2nd cross wheel
25 the 4th axles
26 second hand wheels
27 escapements
28 eccentric wheels
29 forks
30 first arms
31 3 arm levers
32 lever shafts
33 the 2nd arms
34 first supporting plates
35 the 3rd arms
36 the 2nd supporting plates
The tooth of 37 first gears
38 scale hubs
39 the 2nd single-tooth gears
40 the 5th axles
The tooth of 41 the 2nd gears
42 damping gears
43 pinion(gear)s
44 impeller shaft
45 fan blades.
Claims (11)
1. a step device for making the dial card of the digital indicator of table move forward with circulating, have: telltale control driving member (5), described telltale control driving member is torsionally arranged in the first axle (6) and above and can drive rotationally in the step of circulation, wherein, the telltale driving gear (8) being arranged on the 2nd axle (9) can control driving member (5) by described telltale and can drive rotationally, and described 2nd axle (9) can utilize described telltale driving gear (8) to drive rotationally, it is arranged in transmission rig (11) that is on described 2nd axle (9) and that can drive rotationally by described 2nd axle (9), dial card gear (14) can be driven rotationally by described transmission rig, this dial card gear is fixedly placed in the 3rd axle (15) or the scale hub (38) that can support rotationally, wherein, described 3rd axle (15) or the described scale hub (38) that can support rotationally carry described dial card, it is characterized in that, described transmission rig (11) can be arranged on described 2nd axle (9) with a backlash freedom rotationally, and described 3rd axle (15) in multiple stop position or the described scale hub (38) that can support rotationally can drive rotationally, the quantity of described stop position is equivalent to the quantity of character that radial loop is arranged on described dial card around ground or numeral.
2. step device according to claim 1, it is characterised in that, described transmission rig (11) can be arranged on described 2nd axle (9) freely to rotate with a gap between 2 �� and 10 ��.
3. step device according to claim 1 and 2, it is characterized in that, driven member and described 2nd axle (9) are permanently connected, described driven member radial loop around direction on extend into while there is gap in the space (12) of long hole shape of described transmission rig (11).
4. step device according to claim 3, it is characterized in that, described 2nd axle (9) is torsionally arranged from Moving plate (10), described have the driven pin (13) parallel with described 2nd axle (9) from Moving plate, and described driven pin extend in the described space (12) of the long hole shape of described transmission rig (11).
5. according to step device in any one of the preceding claims wherein, it is characterized in that, described 3rd axle (15) or the described scale hub (38) that can support rotationally torsionally arrange stop part hub (17), described stop part hub described stop part hub radial loop around side face (22) place there is the recessed profile of stop, the recessed profile of described stop has the multiple locking grooves (18 evenly circumferentially distributed, 18 '), the quantity of described locking groove is equivalent to the quantity of described character that radial loop is arranged on described dial card around ground or described numeral, and stop part is radially flexibly engaged in described locking groove.
6. step device according to claim 5, it is characterised in that, described stop arrangement is at the free end of spring arm (19), and the other end of described spring arm is fixing.
7. step device according to claim 5 and 6, it is characterized in that, described stop part is the stop roller (21) that freely can rotate around the axis (20) parallel with described 3rd axle (15) or the described scale hub (38) that can support rotationally.
8. step device according to any one of claim 5 to 7, it is characterised in that, described locking groove (18,18 ') has the cross section of V shape.
9. according to step device in any one of the preceding claims wherein, it is characterised in that, described dial card is minute position dish (16) or minute ten dishes.
10. according to step device in any one of the preceding claims wherein, it is characterized in that, described telltale control driving member (5) has the control driving member of single tooth or many teeth, and locking element can be swinging in the tooth rotary area of described control driving member in the step of circulation and show from the tooth rotary area of described control driving member.
11. according to step device in any one of the preceding claims wherein, it is characterized in that, described step device can be driven in the step of circulation rotationally by stepping equipment, also tensioning axis again that can drive the mechanism of tensioning again in step rotationally by described stepping equipment, that formed by drive shaft (4), and the memory whisker (23) of tensioning mechanism again described in straining again.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014117436.4A DE102014117436B3 (en) | 2014-11-27 | 2014-11-27 | Indexing means |
| DE102014117436.4 | 2014-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650224A true CN105650224A (en) | 2016-06-08 |
| CN105650224B CN105650224B (en) | 2018-07-31 |
Family
ID=54326233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510836972.9A Active CN105650224B (en) | 2014-11-27 | 2015-11-26 | Step device |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105650224B (en) |
| CH (1) | CH710421B1 (en) |
| DE (1) | DE102014117436B3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017141101A1 (en) * | 2016-02-15 | 2017-08-24 | Preciflex Sa | Cadence device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030830A (en) * | 1987-07-21 | 1989-02-01 | 精工爱普生株式会社 | Clock and watch |
| JP2003049870A (en) * | 2001-08-03 | 2003-02-21 | Miwa Lock Co Ltd | Clutch mechanism |
| CN101351661A (en) * | 2005-11-03 | 2009-01-21 | 贝利莫控股公司 | Actuator with a reduction gear provided for an actuating element for regulate a gas or fluid flow |
| US20090067296A1 (en) * | 2007-09-07 | 2009-03-12 | Lange Uhren Gmbh | Timepiece |
| CN101819402A (en) * | 2009-02-27 | 2010-09-01 | 格拉斯许特钟表有限公司 | Be used for regulating the mechanism of clock and watch minute hand along with the automatic zero set (AZS) of second hand |
| CN101876810A (en) * | 2009-04-30 | 2010-11-03 | 朗格钟表有限公司 | Table |
| CN102124415A (en) * | 2008-08-15 | 2011-07-13 | 尼瓦洛克斯-法尔股份有限公司 | Gearing system for a timepiece |
| CN102160003A (en) * | 2008-09-18 | 2011-08-17 | 阿根豪尔股份公司 | Clock movement including a constant force device |
| JP2012021987A (en) * | 2010-07-14 | 2012-02-02 | Brightlink Ag | Backlash-compensating mechanism for timepiece movement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH3366A (en) * | 1891-03-24 | 1891-10-31 | Henri Jaccard | New trigger mechanism producing the jump of the disc carrying the hours, minutes or seconds in watches without hands |
| US3854280A (en) * | 1974-06-10 | 1974-12-17 | Timex Corp | Mechanical digital watch |
-
2014
- 2014-11-27 DE DE102014117436.4A patent/DE102014117436B3/en active Active
-
2015
- 2015-09-18 CH CH01369/15A patent/CH710421B1/en unknown
- 2015-11-26 CN CN201510836972.9A patent/CN105650224B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030830A (en) * | 1987-07-21 | 1989-02-01 | 精工爱普生株式会社 | Clock and watch |
| JP2003049870A (en) * | 2001-08-03 | 2003-02-21 | Miwa Lock Co Ltd | Clutch mechanism |
| CN101351661A (en) * | 2005-11-03 | 2009-01-21 | 贝利莫控股公司 | Actuator with a reduction gear provided for an actuating element for regulate a gas or fluid flow |
| US20090067296A1 (en) * | 2007-09-07 | 2009-03-12 | Lange Uhren Gmbh | Timepiece |
| CN102124415A (en) * | 2008-08-15 | 2011-07-13 | 尼瓦洛克斯-法尔股份有限公司 | Gearing system for a timepiece |
| CN102160003A (en) * | 2008-09-18 | 2011-08-17 | 阿根豪尔股份公司 | Clock movement including a constant force device |
| CN101819402A (en) * | 2009-02-27 | 2010-09-01 | 格拉斯许特钟表有限公司 | Be used for regulating the mechanism of clock and watch minute hand along with the automatic zero set (AZS) of second hand |
| CN101876810A (en) * | 2009-04-30 | 2010-11-03 | 朗格钟表有限公司 | Table |
| JP2012021987A (en) * | 2010-07-14 | 2012-02-02 | Brightlink Ag | Backlash-compensating mechanism for timepiece movement |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014117436B3 (en) | 2015-11-05 |
| CH710421A2 (en) | 2016-05-31 |
| CN105650224B (en) | 2018-07-31 |
| CH710421B1 (en) | 2020-02-28 |
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