CN101819402A - Be used for regulating the mechanism of clock and watch minute hand along with the automatic zero set (AZS) of second hand - Google Patents
Be used for regulating the mechanism of clock and watch minute hand along with the automatic zero set (AZS) of second hand Download PDFInfo
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- CN101819402A CN101819402A CN201010123993A CN201010123993A CN101819402A CN 101819402 A CN101819402 A CN 101819402A CN 201010123993 A CN201010123993 A CN 201010123993A CN 201010123993 A CN201010123993 A CN 201010123993A CN 101819402 A CN101819402 A CN 101819402A
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- clock
- watch
- regulating shaft
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- 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
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
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- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Measurement Of Unknown Time Intervals (AREA)
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Abstract
The present invention relates to a kind of clock and watch, these clock and watch have minute hand, second hand and movement at least, and movement has the mechanism that is used to regulate minute hand.This mechanism comprises the regulating shaft that can move in the axial direction between rotine positioning and adjusting position, this regulating shaft engages so that the rotation of regulating shaft causes moving of minute hand with the branch wheels of movement in adjusting position.A regulating shaft and a null setting acting in conjunction, null setting drives second hand at regulating shaft and makes it to enter zero-bit when adjusting position moves, during regulating shaft is positioned at adjusting position, second hand is locked in zero-bit, when regulating shaft returns the rotine positioning motion, discharges second hand once more.According to the present invention, the branch wheels of movement have locking mechanism, and locking mechanism is realized 60 latched position, so that minute hand can move scale division of each correspondence of these 60 positions between 60 positions at minute hand by rotating the regulating shaft in its adjusting position.
Description
Technical field
The present invention relates to a kind of clock and watch, described clock and watch have at least one minute hand, a second hand and a movement, and described movement has a mechanism that is used to regulate described minute hand.Described mechanism comprises that one can be by pulling out or push table hat and regulating shaft/arbor (stellwelle) of moving in the axial direction between rotine positioning and adjusting position.Described regulating shaft engages with the branch wheels of movement in adjusting position, makes the rotation of regulating shaft cause moving of minute hand.In addition, regulating shaft and null setting/resetting-mechanism acting in conjunction, described null setting drives second hand at regulating shaft and makes it to enter zero-bit when adjusting position moves, and during regulating shaft is positioned at adjusting position, second hand is locked in this zero-bit, in the motion that rotine positioning returns, discharge second hand once more at regulating shaft.
Background technology
Known in the prior art clock and watch with this mechanism.For example disclose a kind of clock and watch in CH 18774/71, described clock and watch have this null setting.Regulate watch time if pull out table hat, then second hand is set to zero, and is maintained in this position and is pressed into again up to the table hat.
The shortcoming of known mechanisms is that in adjustment process, the synergy between second hand and the minute hand (Zusammengang) was lost efficacy.If stem hat and then rotation regulating shaft when the user is drawn out (regulating shaft is positioned at adjusting position) at the table hat then rotate the minute wheel that minute hand is installed by corresponding wheel apparatus.At this, minute hand can be positioned at an optional position after adjustment process, for example the central authorities between two scale divisions.If restart movement behind the push table hat, then second hand brings into operation from zero-bit, and minute hand then brings into operation from an optional position.Therefore minute hand and second hand move asynchronously.
Summary of the invention
The objective of the invention is to overcome above-mentioned shortcoming.
Described purpose is based on the preamble of claim 1, realize by the characteristic of claim 1.
According to of the present invention, belong to the locking mechanism (Rastmechanismus) that movement divides wheels and realized 60 latched position.If rotate the regulating shaft that is positioned at adjusting position, then make minute wheel and then minute hand is moved in the mode of substep, thereby minute hand can be adjusted to next scale division from a scale division.That is described minute hand is never between two scale divisions.If push table is titled with making movement restart operation, then minute hand is since a scale division, and second hand is started from scratch, thereby makes these two pointers synchronous.
The favourable form of implementation of the present invention provides in the dependent claims and is described in explanation subsequently.
According to a kind of particularly advantageous form of implementation of the present invention, described locking mechanism comprises: one has the kayser circle of 60 kayser teeth (Rastnase) with centre wheel (Minutenrad) on concentric that be provided with, week; Be arranged on positioning handle in the described kayser circle, that support swingably with at least one.At this, described positioning handle is radially outward loaded by a spring part, and by the kayser tooth kayser of described kayser circle.If rotate regulating shaft under the situation that the table hat is drawn out, then described kayser circle rotates with respect to positioning handle.The power that overcomes the spring part of outside this positioning handle of pushing owing to the shape that is arranged on the kayser tooth in the kayser circle is radially inwardly pushed positioning handle respectively, then again by next kayser tooth kayser.Thereby can regulate minute hand step by step in simple, reliable mode.
Preferred described locking mechanism comprises two symmetrically arranged positioning handles, and described positioning handle is radially outwards loaded by an arm of described spring part respectively.Described spring part is preferably designed to two-piece type usually and installs to simplify.
According to a kind of particularly advantageous form of implementation of the present invention, null setting comprises that one can pass through the rod member of the axially-movable swing of regulating shaft, described rod member makes the adjusting zero rod swing by a middle part (Zwischenglied) that connects when regulating shaft moves to adjusting position, described adjusting zero rod itself activates a zeroing gear train again, and described zeroing gear train drives second hand and makes it to enter its zero-bit.
At this, the described rod member of swinging is angular pole and have tooth portion preferably.Described tooth portion can connect the respective teeth portion acting in conjunction of part with described centre.
Preferably, described centre connects an adjusting range and/or the tooth portion that part has a cams, described adjusting range and/or tooth portion and described adjusting zero rod acting in conjunction.At first, the oscillating motion of angular pole connects part in the middle of passing to by the tooth portion that is engaged with each other, and this centre connects part and carries out rotational motion.The second tooth portion and/or the adjusting range that connect part by the centre make the adjusting zero rod swing.
Then, adjusting zero rod activates the zeroing gear train, and wherein said zeroing gear train preferably includes heart-shaped adjustment cam.It is fully known in the prior art thisly also to be called " second heart " heart-shaped adjustment cam (Sekundenherz), that be used for the second hand zeroing.
According to a kind of preferred implementing form of the present invention, described adjusting zero rod is designed to double-arm (structure), and wherein the first arm activates the zeroing gear train, and second arm activates the stop mechanism of the escapement that is used to stop clock and watch.At this, this double-arm rod member is preferably designed to, and described stop mechanism was not long ago just activated when table hat is drawn out, returning to zero to drive.Have only when second hand is no longer moved by movement, second hand is just returned to zero.
According to a kind of particularly advantageous form of implementation of the present invention, described adjusting zero rod has a Hookean region.Particularly advantageously in double-arm adjusting zero rod be: the first arm that---arm that promptly activates the zeroing gear train---is designed to flexible.By described elastic construction the power that affacts on the zeroing gear train is measured adaptedly, thereby realize zeroing reliably, can not damage the second wheel group again.
For the adjusting that makes minute hand and power flow point from, movement cross wheels (Kleinbodenradgruppe) and the second wheel group is preferably designed to two parts respectively.Wherein between driving wheel on barrel and escapement, and another part directly or indirectly is connected with centre wheel a part in power stream.
Exactly, movement cross wheels for example can comprise two stacked, by friction-joining structure third wheel connected to one another, wherein first third wheel is connected with dividing wheels, and second third wheel in power flows between driving wheel on barrel and escapement.Similarly, the second wheel group of movement also can comprise two stacked, by friction-joining structure second wheel connected to one another, wherein first second wheel is connected with the zeroing gear train and passed through wheels and is connected with the branch wheels, and second second wheel in power flows between driving wheel on barrel and escapement.If regulating shaft is positioned at rotine positioning, then two third wheels that connect by friction-joining structure move together, two also motions together of second wheel.If regulating shaft is positioned at adjusting position, then rotate first second wheel, so that second hand is adjusted to zero by described zeroing gear train.Described stop mechanism locking escapement and then interruption power flow simultaneously.The second wheel group is moved with respect to second half one that is in the power stream respectively with two half that are connected with the effect of zeroing gear train crossing wheels this moment.
If the push table hat then discharges zeroing gear train and escapement again again.At this, friction-joining structure is used to make and utilizes synchronous second hand of mechanism of the present invention and minute hand seamlessly to start.
Description of drawings
The preferred embodiments of the present invention are described with reference to the accompanying drawings.Accompanying drawing is shown specifically:
Fig. 1 illustrates the skeleton view of the core section of clock and watch, and wherein regulating shaft is positioned at rotine positioning;
Fig. 2 A illustrates the side view of identical core section, and wherein regulating shaft is positioned at rotine positioning;
Fig. 2 B illustrates the vertical view of identical core section, and wherein regulating shaft is positioned at rotine positioning;
Fig. 3 A illustrates the view identical with Fig. 2 A, and wherein at this moment regulating shaft is positioned at adjusting position;
Fig. 3 B illustrates the view identical with Fig. 2 B, and wherein at this moment regulating shaft is positioned at adjusting position;
Fig. 4 A illustrates the vertical view of the branch wheels of the core section among Fig. 1 to Fig. 3;
Fig. 4 B illustrates along the sectional view of Fig. 4 A center line B-B;
Fig. 4 C illustrates the exploded view of the branch wheels among Fig. 4 A and Fig. 4 B.
Embodiment
Figure 1A shows the skeleton view of the core section of clock and watch of the present invention.Identical core section illustrates with side view in Fig. 2 A and Fig. 3 A, and illustrates with vertical view in Fig. 2 B and 3B.At this, as the situation in Fig. 1, the regulating shaft 16 in Fig. 2 A and Fig. 2 B is positioned at rotine positioning, and the regulating shaft 16 in Fig. 3 A and 3B outwards is adjusted to adjusting position vertically.If regulating shaft 16 is as being positioned at its rotine positioning as shown in Fig. 1,2A and the 2B, then movement normally moves.The details of movement function is known in those skilled in the art, is not theme of the present invention, thereby does not describe this details in detail.The meaning of the Reference numeral that does not elaborate below is referring to the reference numerals list relevant with description of drawings.
Shown in the side view of particularly Fig. 2 A and 3A, movement cross wheels 34 comprise two stacked, by disc spring 35 third wheel 34a connected to one another, 34b.Last third wheel 34a is connected with one fen wheels 40, and down third wheel 34b in power stream between driving wheel on barrel 10 and escapement 26.
The second wheel group 32 of movement is designed to two-piece type equally.At this, the lower member with second wheel 32a also in power stream between driving wheel on barrel 10 and escapement 26.Following second wheel 32 is same to be connected by friction---for example disc spring or thrust spring---is connected with last second wheel 32b, last second wheel 32b with return to zero heart shape spare 32c with second a 32d be connected in not relatively turnable mode.The top part of second wheel group---promptly goes up second wheel 32b, a zeroing heart shape spare 32c and a second axle 32d---and is connected with dividing wheels 40 by crossing wheels 34.
Under the bulged-in situation of table hat, an angular pole 18 with the 18a of tooth portion keeps a centre with the 20a of tooth portion to connect part 20, and the 20a of tooth portion is engaged among the 18a of tooth portion of angular pole 18.The centre connects part 20 and itself keeps adjusting zero rod 22 by second 20b of tooth portion again.At this, the 22a of tooth portion of adjusting zero rod 22 and middle second 20b of the tooth portion engagement that connects part 20.Adjusting zero rod 22 is divided into zeroing arm 22b and stopper arms 22c, and its function will describe when reference Fig. 3 B.If regulating shaft 16 is arranged in its rotine positioning, then two arm 22b, 22c remain on respectively in the inoperative position (neutralen Position).
Under the situation that the table hat is drawn out, i.e. when regulating shaft 16 is adjusted to its adjusting position (referring to Fig. 3 A and 3B) makes angular pole 18 swings, makes the centre that is engaged with connect part 20 by the 18a of its tooth portion then and rotates.By second 20b of tooth portion and adjusting range 20c, the centre connects part 20 makes adjusting zero rod 22 swings.Thus, the zeroing arm 22b of adjusting zero rod 22 presses against on the zeroing heart shape spare 32c that belongs to second wheel group 32, makes a second axle 32d move to zero-bit together with second hand and be fixed on the there.
Simultaneously, the stopper arms 22c of adjusting zero rod 22 not long ago discharged a brake rod 23 in the active region that arrives zeroing heart shape spare 32c, and brake rod 23 discharges a retarding spring 24 again, and retarding spring 24 stops escapement 26 and then stops movement then.
Thereby must approaching, the zeroing arm 22b decision design of adjusting zero rod 22 has elasticity.Come the power that zeroing arm 22b is affacted on the zeroing heart shape spare 32c is measured by this elastic construction, select to the accurate shape of zeroing arm 22b and then to (associated) elastic force, so that the zeroing of unshowned second hand is in the accompanying drawings worked reliably, and can not damage second hand group 32.By connect between part 20 and the adjusting zero rod 22 the special 20b of tooth portion, the 22a that is provided with in the centre, the torque that the elastic force by zeroing arm 22b is formed no longer is passed to angular pole 18.Therefore, can make regulating shaft 16 and then the table hat is rotated without a doubt with the adjusting watch time, and can not make regulating shaft 16 automatically get back to rotine positioning once more.
When rotating regulating shaft 16, the minute hand (not shown) is rotated by minute wheel 43.At this, the rotation of regulating shaft 16 is delivered on the minute wheel 43 by corresponding train (and other back gear 36) in known manner.Locking mechanism by the branch wheels 40 that clearly illustrate at Fig. 4 A, 4B and 4C is realized this from the multiple step format motion of a scale division to next scale division.Shown in Fig. 4 A, 4B and 4C, be provided with a kayser circle 44 concentric with centre wheel 42, wherein the overall diameter of kayser circle 44 is slightly less than the overall diameter of the centre wheel 42 that externally forms tooth.Kayser circle 44 can not be connected (referring to Fig. 4 B) with minute wheel 43 with relatively rotating, and kayser circle 44 has 60 kayser teeth 45 on interior week.Kayser tooth 45 is with 46 coefficient mode regulation minute wheels 43 and then 60 possible positions that be minute hand with two positioning handles.Two positioning handles 46 are bearing on the fulcrum post 47 of centre wheel 42 in the mode that can swing respectively.One installs the thrust spring 48 that is designed to two for simplification is arranged on the centre wheel 42, this thrust spring 48 is the ends that oppositely are provided with fulcrum post 47 of two positioning handles 46 of pushing outwards, so that the surface of contact 46a of two positioning handles 46 abuts in respectively on the kayser tooth 45 of kayser circle 44.
If under the situation that table hat is drawn out, rotate regulating shaft 16, then make minute wheel 43 be connected and make the train that minute wheel 43 is connected with regulating shaft 16 with kayser circle 44 and utilize positioning handle 46 rotations with respect to centre wheel 42 through back gear 36.Because 32c is locked for zeroing heart shape spare, centre wheel 42 is crossed wheels 34 lockings (referring to Fig. 3 A and 3B) at this.At this, the power that kayser tooth 45 overcomes the spring part 48 of outside pushing positioning handle 46 radially inwardly pushes positioning handle 46, and positioning handle 46 slides along corresponding kayser tooth 45 with surface of contact 46a, thereby makes minute wheel rotate 1/60 before positioning handle 46 is again by next kayser tooth 45 kaysers.Therefore only can be to regulate minute hand from a scale division to the mode of next scale division step by step.
If will show hat and then regulating shaft 16 will be pressed into its rotine positioning (referring to Fig. 1, Fig. 2 A and Fig. 2 B) again, connect part 20 in the middle of then angular pole 18 moves.By connect the 20b of tooth portion between part 20 and the adjusting zero rod 22, the engagement of 22a in the centre, adjusting zero rod 22 is got back to inoperative initial position once more.The zeroing arm 22b of adjusting zero rod 22 is released in the zeroing heart shape spare 32c on the second wheel group 32 once more.Stopper arms 22c by adjusting zero rod 22 gets back in its inoperative position brake rod 23 equally simultaneously, and makes retarding spring 24 pendulum from escapement 26, and escapement 26 is released again, and movement restarts.
The friction that makes the lower member 32a of two third wheel 34a, 34b and second wheel group be connected to upper- part 32b, 32c, the 32d of second wheel group connects and is used for seamlessly starting minute hand and second hand.In (the effect and) operation of starting from scratch because null setting of this second hand, minute hand then brings into operation from a scale division owing to locking mechanism (effect).Therefore two pointer synchronous operations.
Reference numerals list
10 driving wheel on barrels
12 connecting rod springs
14 connecting rods
16 regulating shafts
18 angular poles
18a tooth section
Connect part in the middle of 20
20a tooth section
20b tooth section
The 20c adjusting range
22 adjusting zero rods
22a tooth portion
The 22b arm that returns to zero
The 22c stopper arms
23 brake rods
24 retarding springs
26 escapements
28 escapements
30 escape wheels
32 second wheel groups
Second wheel under the 32a
The last second wheel of 32b
32c zeroing heart shape spare
32d axle second
34 cross wheels
The 34a third wheel
The 34b third wheel
35 disc springs
36 back gears
40 fens wheels
42 centre wheels
43 minute wheels
44 kayser circles
45 kayser teeth
46 positioning handles
The 46a surface of contact
47 fulcrum posts
48 spring parts.
Claims (13)
1. clock and watch, described clock and watch have a minute hand at least, one second hand and a movement, described movement has a mechanism that is used to regulate described minute hand, wherein, described mechanism comprises a regulating shaft (16) that can move in the axial direction between rotine positioning and adjusting position, wherein said regulating shaft (16) engages so that the rotation of described regulating shaft (16) causes moving of described minute hand with the branch wheels (40) of described movement in adjusting position, described regulating shaft also with a null setting (18,20,22) acting in conjunction, described null setting drives described second hand at described regulating shaft (16) and makes it to enter zero-bit when adjusting position moves, during described regulating shaft (16) is positioned at adjusting position, described second hand is locked in zero-bit, in returning the motion of rotine positioning, described regulating shaft (16) discharges described second hand once more, it is characterized in that
The branch wheels (40) of described movement have locking mechanism (44,45,46), described locking mechanism is realized 60 latched position, so that described minute hand can be arranged in the regulating shaft (16) of its adjusting position and move each corresponding scale division of described 60 positions between 60 positions of minute hand by rotation.
2. clock and watch according to claim 1, it is characterized in that, described locking mechanism comprise one with centre wheel have on concentric that be provided with, week the kayser circle (44) of 60 kayser teeth (45) and at least one be arranged in the described kayser circle (44), the positioning handle (46) of supporting swingably, wherein, described positioning handle is by the radially outside loading of a spring part (48) and by kayser tooth (45) kayser of described kayser circle (44).
3. clock and watch according to claim 2 is characterized in that, described locking mechanism comprises two symmetrically arranged positioning handles (46), and described positioning handle is radially outwards loaded by the arm of described spring part (48) respectively.
4. according to each described clock and watch in the aforementioned claim, it is characterized in that, described null setting comprises the rod member (18) that can swing by the axially-movable of described regulating shaft, described rod member connects part (20) by the centre at described regulating shaft (16) when adjusting position moves makes adjusting zero rod (22) swing, described adjusting zero rod activates a zeroing gear train (32c), and described zeroing gear train drives described second hand and makes it to enter zero-bit.
5. clock and watch according to claim 4 is characterized in that, the described rod member that can swing is an angular pole (18) and has tooth portion (18a).
6. according to claim 4 or 5 described clock and watch, it is characterized in that described centre connects part (20) and has a tooth portion (20a), tooth portion (18a) acting in conjunction of described tooth portion and the described rod member that can swing.
7. according to each described clock and watch in the claim 4 to 6, it is characterized in that described centre connects part (20) and has an adjusting range (20c) and/or tooth portion (20b), described adjusting range and/or tooth portion and described adjusting zero rod (22) acting in conjunction.
8. according to each described clock and watch in the claim 4 to 7, it is characterized in that described zeroing gear train comprises heart-shaped adjustment cam (32c).
9. according to each described clock and watch in the claim 4 to 8, it is characterized in that, described adjusting zero rod (22) is designed to double-arm, and wherein the first arm (22b) activates described zeroing gear train (32c), and second arm (22c) activates the stop mechanism (23,24) of the escapement (26) that is used to stop clock and watch.
10. according to each described clock and watch in the claim 4 to 9, it is characterized in that described adjusting zero rod (22) has a Hookean region.
11. clock and watch according to claim 9 is characterized in that, the first arm (22b) of described adjusting zero rod (22) is designed to flexible.
12. according to each described clock and watch in the aforementioned claim, it is characterized in that, described movement cross wheels (34) comprise two stacked, by friction-joining structure (35) third wheel connected to one another (34a, 34b), wherein first third wheel (34a) is connected with dividing wheels (40), and second third wheel (34b) is positioned between driving wheel on barrel (10) and the escapement (26) in power stream.
13. according to each described clock and watch in the aforementioned claim, it is characterized in that, the second wheel group (32) of described movement comprise two stacked, by friction-joining structure second wheel connected to one another (32a, 32b), wherein first second wheel (32b) and a zeroing gear train (32c) are connected and passed through wheels (34) and be connected with dividing wheels (40), and second second wheel is positioned between driving wheel on barrel (10) and the escapement (26) in power flows.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09153924.7 | 2009-02-27 | ||
EP20090153924 EP2224294B1 (en) | 2009-02-27 | 2009-02-27 | Mechanism for setting the minute hand of a timepiece with automatic return-to-zero of the seconds hand |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101819402A true CN101819402A (en) | 2010-09-01 |
CN101819402B CN101819402B (en) | 2013-07-10 |
Family
ID=40940469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010123993 Active CN101819402B (en) | 2009-02-27 | 2010-02-26 | Mechanism for setting the minute hand of a timepiece with automatic return-to-zero of the seconds hand |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2224294B1 (en) |
JP (1) | JP5580080B2 (en) |
CN (1) | CN101819402B (en) |
HK (1) | HK1147809A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105650224A (en) * | 2014-11-27 | 2016-06-08 | 朗格钟表有限公司 | A stepping device |
CN106970512A (en) * | 2015-12-22 | 2017-07-21 | 朗格钟表有限公司 | The adjusting means of clock and watch |
CN108681232A (en) * | 2018-04-23 | 2018-10-19 | 广东乐芯智能科技有限公司 | A method of wrist-watch metal finger is adjusted to predeterminated position |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3136186B1 (en) * | 2015-08-31 | 2018-11-28 | Glashütter Uhrenbetrieb GmbH | Mechanical clock comprising an adjustable tourbillon |
EP3136187B1 (en) | 2015-08-31 | 2018-02-28 | Glashütter Uhrenbetrieb GmbH | Mechanical clock comprising a tourbillon |
CH713660A1 (en) * | 2017-03-30 | 2018-10-15 | Richemont Int Sa | Clock with digital time display. |
EP3486735B1 (en) | 2017-11-20 | 2020-09-30 | Montres Breguet S.A. | Second reset clock mechanism with snail cam |
EP3772673B1 (en) | 2019-08-08 | 2022-04-06 | ETA SA Manufacture Horlogère Suisse | Timepiece indexing element |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH564222A (en) * | 1971-12-23 | 1975-07-15 | Watch time setting mechanism - using axially movable winding stem and with seconds hand automatically reset | |
JPS55113976A (en) * | 1979-02-23 | 1980-09-02 | Citizen Watch Co Ltd | Instantaneously set type hand crystal watch |
US6252827B1 (en) * | 1996-09-18 | 2001-06-26 | Lange Uhren Gmbh | Device for regulating the minute hand of a clock having at least a minute hand and a second hand |
CN1419169A (en) * | 2001-11-13 | 2003-05-21 | 格拉舒特钟表厂有限责任公司 | Spring and time setting device for chromoscope such as calendar clock with date scale |
EP1840677A1 (en) * | 2006-03-28 | 2007-10-03 | Chopard Manufacture SA | Return-to-zero of the seconds hand in a timepiece. |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH176400A (en) * | 1934-10-15 | 1935-04-15 | Meylan Roger | Mechanism making it possible to act on at least one of the hands usually included in the minute minder and the seconds indication, in a timepiece. |
-
2009
- 2009-02-27 EP EP20090153924 patent/EP2224294B1/en active Active
-
2010
- 2010-02-26 JP JP2010042060A patent/JP5580080B2/en active Active
- 2010-02-26 CN CN 201010123993 patent/CN101819402B/en active Active
-
2011
- 2011-02-24 HK HK11101825.6A patent/HK1147809A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH564222A (en) * | 1971-12-23 | 1975-07-15 | Watch time setting mechanism - using axially movable winding stem and with seconds hand automatically reset | |
JPS55113976A (en) * | 1979-02-23 | 1980-09-02 | Citizen Watch Co Ltd | Instantaneously set type hand crystal watch |
US6252827B1 (en) * | 1996-09-18 | 2001-06-26 | Lange Uhren Gmbh | Device for regulating the minute hand of a clock having at least a minute hand and a second hand |
CN1419169A (en) * | 2001-11-13 | 2003-05-21 | 格拉舒特钟表厂有限责任公司 | Spring and time setting device for chromoscope such as calendar clock with date scale |
EP1840677A1 (en) * | 2006-03-28 | 2007-10-03 | Chopard Manufacture SA | Return-to-zero of the seconds hand in a timepiece. |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105650224A (en) * | 2014-11-27 | 2016-06-08 | 朗格钟表有限公司 | A stepping device |
CN106970512A (en) * | 2015-12-22 | 2017-07-21 | 朗格钟表有限公司 | The adjusting means of clock and watch |
CN106970512B (en) * | 2015-12-22 | 2020-01-14 | 朗格钟表有限公司 | Regulating device for a timepiece |
CN108681232A (en) * | 2018-04-23 | 2018-10-19 | 广东乐芯智能科技有限公司 | A method of wrist-watch metal finger is adjusted to predeterminated position |
Also Published As
Publication number | Publication date |
---|---|
EP2224294A1 (en) | 2010-09-01 |
CN101819402B (en) | 2013-07-10 |
EP2224294B1 (en) | 2014-09-10 |
JP5580080B2 (en) | 2014-08-27 |
JP2010204099A (en) | 2010-09-16 |
HK1147809A1 (en) | 2011-08-19 |
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