CN108241284B - Mechanical year calendar - Google Patents
Mechanical year calendar Download PDFInfo
- Publication number
- CN108241284B CN108241284B CN201711408630.2A CN201711408630A CN108241284B CN 108241284 B CN108241284 B CN 108241284B CN 201711408630 A CN201711408630 A CN 201711408630A CN 108241284 B CN108241284 B CN 108241284B
- Authority
- CN
- China
- Prior art keywords
- month
- switching
- rocking bar
- pawl
- date wheel
- 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.)
- Active
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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25306—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches
- G04B19/25313—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement
- G04B19/2532—Independent date indicating devices activated by hand or by clockwork, e.g. calendar watches driven or released by a steady movement automatically corrected at the end of mounths having less than 31 days
-
- 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
- G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
- G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
- G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
- G04B19/253—Driving or releasing mechanisms
- G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
- G04B19/25353—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released stepwise by the clockwork movement
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
The present invention relates to the mechanical year calendar of clock and watch, there is switching rocking bar, can every twenty four hours pivoted around rocking bar pivot axis it is primary, at which with hingedly can be around the pawl arm that switching pawl axis pivots to the radial spacing compartment of terrain of rocking bar pivot axis.Year calendar, which has, is arranged in the switching pawl at pawl arm with the spacing compartment of terrain to switching pawl axis, in the engaging section of its date wheel for being engaged to 31 or 31 more times teeth under elastic prestress, switching driving date wheel when rocking bar pivots can be rotated via switching pawl in direction of rotation with corresponding one or two day one or two tooth pitches, the date can be driven to indicate via date wheel.Year has all through the ages and the concentric month end plate connecting of date wheel, its have radially around circular contour, at which against the detecting head for the feeler arm that can be pivotally supported around the second pivot axis under elastic prestress, the device that determining date wheel is converted one or two day and determines the pivoting angle of switching rocking bar can be switched to via the pivot of feeler arm.
Description
Technical field
The present invention relates to a kind of mechanical year calendars of clock and watch.
Background technique
In the prior art, the mechanical year calendar of clock and watch has switching rocking bar, which can be driven into every 24
Hour can pivot once around rocking bar pivot axis, and the radial spacing of rocking bar pivot axis is arrived at the switching rocking bar
Being hinged at interval can have around the pawl arm that switching pawl axis pivots, the machinery year calendar to arrive switching pawl axis
Spacing is arranged in the switching pawl at pawl arm at interval, which is engaged under elastic prestress with 31
It is a or 31 multiple number of tooth date wheel engaging section in, and switch rocking bar move pivotally when, date wheel
Can be driven into determining direction of rotation via the switching pawl can be with one or two corresponding to one day or two days
Tooth pitch rotation, wherein the date can be driven to indicate via date wheel, the machinery year calendar with date wheel with concentrically connecting
Month end plate, the month end plate have radially around circular contour, against having at the circular contour under elastic prestress
It can be around the detecting head for the feeler arm that the second pivot axis is pivotally supported, wherein via the pivoting action of feeler arm, can cut
It has been changed to the device that determining date wheel is converted one day or two days and determines the pivoting angle of switching rocking bar.Machinery in the prior art
Year calendar has complicated component.
Summary of the invention
The object of the present invention is to provide a kind of mechanical year calendar of clock and watch of the type mentioned at the beginning, which has a small amount of
Design simple component.The machinery year calendar has switching rocking bar, which, which can be driven into every twenty four hours, to enclose
It pivots once around rocking bar pivot axis, and is cut with scissors at interval at the switching rocking bar with the radial spacing to rocking bar pivot axis
It is connected to have around the pawl arm that switching pawl axis pivots, the machinery year calendar and be spaced apart with the spacing to switching pawl axis
Ground is arranged in the switching pawl at pawl arm, which is engaged to 31 or 30 under elastic prestress
In the engaging section of the date wheel of one multiple number of tooth, and when switching rocking bar pivoting action, date wheel is via the switching
Pawl, which can be driven into determining direction of rotation, to be rotated with one or two tooth pitch for corresponding to one day or two days,
In, the date can be driven to indicate via date wheel, which has the month end plate concentrically connecting with date wheel, should
Month end plate have radially around circular contour, the second pivot can be surrounded against having at the circular contour under elastic prestress
The detecting head for the feeler arm that shaft axis is pivotally supported, wherein via the pivoting action of feeler arm, allow hand over to determine day
The device of the pivoting angle of switching rocking bar is converted one day or two days and determined to phase wheel.
The purpose is realized as follows according to the present invention: month the circular contour of end plate have the detection that is directed radially inwardly toward recessed
Concave portion, the detection recessed portion extend past two tooth pitches of date wheel and then reversed in circumferential direction with constant depth
In the determination of date wheel direction of rotation slope shape towards circular contour rise.
The component of mechanical year calendar is simply devised by the design scheme, thus also these components can simply be given birth to
It produces.Simple productibility leads to the high fault-free of component and thus causes the high function of the machinery year calendar reliable
Property.
At the 31st day of month, the slope shape that the detecting head of feeler arm is in the detection recessed portion of month end plate rose
In portion, so that the moment loading that the direction of rotation for the determination for being in reverse to the date disc being fixedly connected with month end plate is directed toward arrives
On month end plate.In order to avoid thus date wheel rotates backward, check spring is capable of the date wheel that is in reverse to of locking date wheel
The rotation of determining direction of rotation.
Have the function of that the construction of component can simply manufacture, reliable is realized as follows: determining that date wheel is converted one day
Or two days devices have a month detecting plate, month detecting plate can be driven into can revolve every year turn around with 12 steppings
Row rotation, and month detecting plate radially around month profile have depending on big month and small month it is larger directly
Diameter and small diameter, wherein loaded by key of the elastic force to switching rocking bar towards month profile, and the bond energy is enough every
Twenty four hours lifts once from month profile.
Here, feeler arm, which can have, switches pawl month, month switching pawl can be engaged to and month detecting plate
In the tooth socket of month driver concentrically connect, with 12 teeth.
Feeler arm detecting head be moved into detection recessed portion in when, month driver to be switched teeth directional after jump,
And detecting head then detect recessed portion slope shape riser portions on upward sliding when, month driver convert a tooth
Away from.
Preferably, month locking piece is radially-inwardly flexibly engaged in the tooth socket of month driver, and is passed in month
After dynamic device conversion, month locking piece is completed until the row that the correct new nominal position for reaching month driver also lacks before
Journey.
Switching rocking bar can have detection lug boss, when at the circular contour that detecting head is resisted against month end plate, the spy
Survey lug boss be resisted against at the stop part of feeler arm, thus prevent key be inserted radially into month detecting plate month profile it is smaller
In the region in the small month of diameter, wherein when detecting head is inserted into detection recessed portion, detection lug boss is not against in backstop
At part, and bond energy be enough inserted radially into month detecting plate month profile small diameter small month region in.
As a result, when detecting head is also inserted into detection recessed portion, the key for switching rocking bar only can be inserted into the area in small month
In domain.
Detailed description of the invention
The embodiment of the present invention is shown in the accompanying drawings and followed by detailed description.It is shown in figure:
Fig. 1 shows schematic diagram of the mechanical year calendar of clock and watch in the first switching position；
Fig. 2 shows schematic diagram of the mechanical year calendar according to the clock and watch of Fig. 1 in the second switching position；
Fig. 3 shows the schematic diagram according to the mechanical year calendar of the clock and watch of Fig. 1 in third switching position；
Fig. 4 shows the schematic diagram according to the mechanical year calendar of the clock and watch of Fig. 1 in the 4th switching position；
Fig. 5 shows the schematic diagram according to the mechanical year calendar of the clock and watch of Fig. 1 in the 5th switching position.
Specific embodiment
By unshowned clockwork by small hour wheel 1 drive at can every 12 hours rotation turn around at direction of rotation " a "
In rotated, and the small hour wheel by twenty four hours wheel 2 drive at every twenty four hours rotation turn around.The twenty four hours
Wheel 2 has axially projecting pin 3, which drives the rotation relative to twenty four hours wheel 2 when twenty four hours wheel 2 rotates
Switching pin 4 that shaft axis approximate radial extends, being arranged at twenty four hours wheel 2.
The switching pin 4 will be converted once on the date daily.Start day when switching pin 4 contacts the operating rocker 25 of switching rocking bar 5
The switching of phase, the switching rocking bar can be pivoted around the rocking bar pivot axis 28 parallel with the pivot axis of twenty four hours wheel 2.
It rotates if small hour wheel 1 is in reverse to direction of rotation " a " and therefore drives twenty four hours wheel 2, switching pin 4
The part that operating rocker 25 is loaded just flexibly deviate and the direction of rotation of the mistake do not utilized to shake to pivot switching
Bar 5.
After switching pin 4 is contacted with the operating rocker 25 of switching rocking bar 5, switching rocking bar 5 is in reverse to the switching of prestress
Pivoted out from its initial position to the power of rocking bar spring 6.Switch rocking bar 5 to arrive the radial spacing interval of rocking bar pivot axis 28
There is key 26 with opening.Via switching rocking bar spring 6, switching rocking bar 5 always press to month detecting plate 7 radially around month take turns
Exterior feature 29, month detecting plate can be rotated around parallel with rocking bar pivot axis 28 month rotation axis 31.Month detecting plate 7
Radially around month profile 29 have for there is the larger diameter in 31 days big months and for having radially around ground
The small diameter 27 in 30 days small months, month detecting plate can be driven into can every year with 12 steps in the clockwise direction
In rotated.
It is shaken with being disposed with to surround at interval to the radial spacing of rocking bar pivot axis 28 with this at switching rocking bar 5
The pawl arm 33 that the parallel switching pawl axis 32 of pivot axis line 28 pivots, which has in one free end cuts
Change pawl 8.
Via the switching ratchet spring 9 of prestress, pawl arm 33, which is loaded into be engaged to using its switching pawl 8, to be had
In the engaging section of the date wheel 10 of 31 teeth.
During date switching, switching pawl 8 is switched rocking bar 5 and is tangential to the pulling of 10 ground of date wheel.Therefore, switch pawl
8 pull the engaging section of date wheels 10 and move date wheel in determining direction of rotation, that is, counter-clockwise rotary motion.
By the rotary motion, also make to be formed from date wheel 10 to the driving system of the instruction gear 12 with 31 teeth
Intermediate gear 11 be rotated.
Here, the rotation of driving direction be flexibly engaged in the tooth socket of date wheel 10 and that date wheel 10 will be in reverse to
Twist lock stop check spring 13 and be flexibly engaged to instruction gear 12 tooth socket in instruction gear locking piece 14 pulled out
Out, to then respectively latch again in adjacent tooth socket.
Be disposed with unshowned indicator on instruction gear 12, the indicator it is same it is unshowned, have 31
It is moved on the date calibration device of a component along the date.
After date finishing switching, operating rocker 25 is fallen from switching pin 4 again.By the switching pawl 8 of elastic force load
It is engaged at next tooth of date wheel 10 herein, switching pawl is then tangential to the date again when switching on the date next time
Take turns the pulling of 10 ground.
Month the limitation switching rocking bar 5 on entire month of detecting plate 7 stroke so that every twenty four hours is always only
Switch a tooth and only switches in turn one day.
Month, end plate 16 was concentrically fixedly connected with date wheel 10 relative to date wheel 10, which has radial
Circular circular contour 34, under elastic prestress, at the circular contour against have can around the second pivot axis 35 pivot
The detecting head 17 of the feeler arm 18 of ground bearing.
At the position on the date in month after the 30th day of month, circular contour 34 has the spy being directed radially inwardly toward
Recessed portion 15 is surveyed, which is extended past first with constant depth with being in reverse to the direction of rotation of the determination of date wheel 10
Corresponding to two days two components, to then rise to circular contour 34 again using the riser portions of slope shape 30.
In every month the 30th day, month the detection recessed portion 15 of end plate 16 be under the detecting head 17 of feeler arm 18
(Fig. 2).The elastic force of the detection spring 19 of prestress is used to for feeler arm 18 being pressed into the detection recessed portion 15 of month end plate 16
In.Month driver with 12 teeth 22 is concentrically connect with month detecting plate 7.
The mode in detection recessed portion 15 is dropped by detecting head 17, feeler arm 18 is engaged in month driver 22
Month switching pawl 20 continue to move to a tooth pitch.Month switching pawl 20 is always pressed into month driver by spring arm 21
In 22 engaging section.
At the 31st day of month, the detecting head 17 of feeler arm 18 was in the oblique of the detection recessed portion 15 of month end plate 16
In domatic riser portions 30 (Fig. 3).Thus form the torque of the return transmission for date wheel 10.Check spring 13 prevents the moon
Part end plate 16 may be in reverse to the return rotation of determining direction of rotation.
From the switching by the 31st day in the 30th day in month, switching pawl 20 month to month driver 22
The idle stroke of tooth 23 is shortened.When date wheel 10 was at night be switched to next month from the 31st day first day, date wheel
10 rotate as follows, i.e., so that feeler arm 18 also continues.Here, month switching pawl 20 pushes the tooth of month driver 22
23.Month driver 22 is rotated as a result,.The month lock being engaged to radial elastic in the tooth socket of month driver 22
Determine the stroke also lacked that part 24 is deviate from herein and completes month driver 22.Thus a month is converted.In conversion one
During month, switching rocking bar 5 is not placed in the month of month detecting plate 7 flexibly on profile 29, because switching rocking bar is in order to cut
It changes month and deviates from.Therefore, in order to switch month, it is only necessary to overcome the elastic force of month locking piece 24.
From first day to the 29th day of small month, switching rocking bar 5 was always only engaged on a tooth of date wheel 10
Simultaneously therefore also only convert a tooth (Fig. 4) in rear.This is because the detecting head 17 of feeler arm 18 is flexibly resisted against month end plate
On 16 circular contour 34.However switches rocking bar 5 and can use its key 26 flexibly in the month profile 29 of month detecting plate 7
It advances on small diameter 27.Thus this is prevented, the detection lug boss 36 of switching rocking bar 5 abuts to stopping for feeler arm 18 first
On block piece 37.Key 26 will not advance on the small diameter of month profile 29 as a result,.
At the 30th day of small month, the detecting head 17 of feeler arm 18 was dropped into the detection recessed portion 15 of date end plate 16
(Fig. 5).Because the detecting head 17 of feeler arm 18 can deeper be fallen into now, switching rocking bar 5 is merely able to utilize its key 26
Fall on month detecting plate 7 month profile 29 small diameter 27 on.Therefore, switching pawl 8 can not only be skipped backward now
One tooth of date wheel 10, and two teeth can be skipped.Therefore, switching pawl 8 can this time be such that date wheel 10 turns over
Two tooth pitches and thus from one month first day for being switched to one month on the 30th day.
List of reference characters
1 small hour wheel
2 twenty four hours wheels
3 pins
4 switching pins
5 switching rocking bars
6 switching rocking bar springs
July detecting plate
8 switching pawls
9 switching ratchet springs
10 date wheels
11 intermediate gears
12 instruction gears
13 check springs
14 instruction gear locking pieces
15 detection recessed portions
16 month end plate
17 detecting heads
18 feeler arms
19 detection springs
20 months switched pawl
21 spring arms
22 month driver
23 teeth
24 month locking piece
25 operating rockers
26 keys
27 small diameters
28 rocking bar pivot axis
29 month profile
30 slope shape riser portions
31 month rotation axis
32 switching pawl axis
33 pawl arms
34 circular contours
35 second pivot axis
36 detection lug bosses
37 stop parts.
Claims (6)
1. a kind of mechanical year calendar of clock and watch, the machinery year calendar has switching rocking bar (5), and the switching rocking bar can be driven into
Every twenty four hours can pivot once around rocking bar pivot axis (28), and to arrive the rocking bar at the switching rocking bar
The radial spacing of pivot axis (28) is hinged with the pawl arm (33) that can be pivoted around switching pawl axis (32), institute at interval
Stating mechanical year calendar has be arranged at the pawl arm (33) at interval to the spacing for switching pawl axis (32)
Switch pawl (8), the switching pawl is engaged to the multiple number of with 31 or 31 under elastic prestress
In the engaging section of the date wheel (10) of a tooth, and the switching rocking bar (5) move pivotally when, the date wheel (10) via
The switching pawl can be driven into determining direction of rotation can be with one or two tooth corresponding to one day or two days
Away from rotation, wherein the date can be driven to indicate via the date wheel (10), the machinery year calendar has and the date wheel
(10) the month end plate (16) concentrically connected, the month end plate have radially around circular contour (34), in elasticity
Against there is the feeler arm (18) that can be pivotally supported around the second pivot axis (35) at the circular contour under prestressing force
Detecting head (17), wherein via the pivoting action of the feeler arm (18), allow hand over to determine that the date wheel (10) turn
Change one day or two days and determine the device of the pivoting angle of switching rocking bar (5), which is characterized in that the month end plate (16)
The circular contour (34) there is the detection recessed portion (15) that is directed radially inwardly toward, the detection recessed portion is in circumferential direction
Two tooth pitches of the date wheel (10) are extended past with constant depth and are then in reverse to the date wheel (10) really
Rise towards the circular contour (34) to the fixed direction of rotation slope shape.
2. machinery year calendar according to claim 1, which is characterized in that date wheel (10) described in check spring (13) locking
It is in reverse to the rotation of the direction of rotation of the determination of the date wheel (10).
3. it is according to claim 1 or 2 machinery year calendar, which is characterized in that determine the date wheel (10) convert one day or
Two days described devices have month detecting plate (7), the month detecting plate can be driven into can revolve every year turn around with
12 steps are rotated, and the month detecting plate radially around month profile (29) depend on big month and solar month of 30 days
Part ground has larger diameter and small diameter (27), wherein as elastic force to described in key (26) direction for switching rocking bar (5)
It is loaded to month profile (29), and the bond energy reaches every twenty four hours and lifts one from the month profile (29)
It is secondary.
4. machinery year calendar according to claim 3, which is characterized in that there is the feeler arm (18) month to switch pawl
(20), month switching pawl can be engaged to it is concentrically being connect with the month detecting plate (7), there are 12 teeth
Month driver (22) tooth socket in.
5. machinery year calendar according to claim 4, which is characterized in that month locking piece (24) radially-inwardly flexibly engages
Into the tooth socket of the month driver (22).
6. machinery year calendar according to claim 3, which is characterized in that the switching rocking bar (5) has detection lug boss
(36), when at the circular contour (34) that the detecting head (17) is resisted against the month end plate (16), the detection is convex
The portion of rising is resisted against at the stop part (37) of the feeler arm (18), is visited in the month so that the key (26) be prevented to be inserted radially into
It surveys in the region in the small month of the small diameter (27) of the month profile (29) of disk (7), wherein in the detecting head (17)
When being inserted into the detection recessed portion (15), the detection lug boss (36) is not against at the stop part (37), and
The key (26) can be inserted radially into the solar month of 30 days of the small diameter (27) of the month profile (29) of the month detecting plate (7)
In the region of part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016125650.1 | 2016-12-23 | ||
| DE102016125650.1A DE102016125650B4 (en) | 2016-12-23 | 2016-12-23 | Mechanical annual calendar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108241284A CN108241284A (en) | 2018-07-03 |
| CN108241284B true CN108241284B (en) | 2019-12-03 |
Family
ID=62509792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408630.2A Active CN108241284B (en) | 2016-12-23 | 2017-12-22 | Mechanical year calendar |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6500074B2 (en) |
| CN (1) | CN108241284B (en) |
| CH (1) | CH713307B1 (en) |
| DE (1) | DE102016125650B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3671366B1 (en) * | 2018-12-21 | 2022-04-20 | ETA SA Manufacture Horlogère Suisse | Device for displaying a series of periodic events that form an annual cycle and timepiece comprising such a display device |
| CH716983A1 (en) * | 2019-12-20 | 2021-06-30 | Mft Dhorlogerie Audemars Piguet Sa | Watch mechanism intended to be driven in a variable number of steps. |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06236149A (en) * | 1993-01-13 | 1994-08-23 | Michel Parmigiani | Moslem calendar |
| CN102692864A (en) * | 2011-03-22 | 2012-09-26 | 蒙特雷布勒盖股份有限公司 | Single-ratchet instant perpetual calendar |
| CN103576534A (en) * | 2012-08-01 | 2014-02-12 | 精工电子有限公司 | Calendar mechanism, and movement and timepiece comprising such a mechanism |
| CN105652634A (en) * | 2014-11-27 | 2016-06-08 | 爱彼钟表业制造有限公司 | Annual or perpetual calendar mechanism and timepiece comprising the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH442155A (en) * | 1965-06-28 | 1967-04-29 | Rolex Montres | Calendar timepiece |
| CH691086A5 (en) * | 1997-01-30 | 2001-04-12 | Girard Perregaux Sa | clockwork perpetual calendar. |
| DE102005014328B3 (en) * | 2005-03-24 | 2006-07-20 | Lange Uhren Gmbh | Calendar date circuit for clock, has latch sliding during pivoting of lever, where pivoting parts are switched at position where sprocket is placed in lever normal position and in tactile finger position, at raising of month level slide |
| ATE467158T1 (en) * | 2005-06-30 | 2010-05-15 | Piguet Frederic Sa | CLOCK WITH CALENDAR DISPLAY |
| CH704611B1 (en) * | 2011-03-07 | 2020-02-28 | Montres Breguet Sa | Escapement and oscillator device for a mechanical watch. |
| CH711049A1 (en) * | 2015-05-08 | 2016-11-15 | Bucherer Ag | Year calendar for mechanical watches. |
| DE102015011324B3 (en) * | 2015-08-27 | 2016-09-22 | NOMOS Glashütte/SA Roland Schwertner KG | Instant switching date switching mechanism |
-
2016
- 2016-12-23 DE DE102016125650.1A patent/DE102016125650B4/en active Active
-
2017
- 2017-11-15 CH CH01381/17A patent/CH713307B1/en unknown
- 2017-11-20 JP JP2017223022A patent/JP6500074B2/en active Active
- 2017-12-22 CN CN201711408630.2A patent/CN108241284B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06236149A (en) * | 1993-01-13 | 1994-08-23 | Michel Parmigiani | Moslem calendar |
| CN102692864A (en) * | 2011-03-22 | 2012-09-26 | 蒙特雷布勒盖股份有限公司 | Single-ratchet instant perpetual calendar |
| CN103576534A (en) * | 2012-08-01 | 2014-02-12 | 精工电子有限公司 | Calendar mechanism, and movement and timepiece comprising such a mechanism |
| CN105652634A (en) * | 2014-11-27 | 2016-06-08 | 爱彼钟表业制造有限公司 | Annual or perpetual calendar mechanism and timepiece comprising the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6500074B2 (en) | 2019-04-10 |
| JP2018136302A (en) | 2018-08-30 |
| DE102016125650A1 (en) | 2018-06-28 |
| DE102016125650B4 (en) | 2018-10-31 |
| CN108241284A (en) | 2018-07-03 |
| CH713307A2 (en) | 2018-06-29 |
| CH713307B1 (en) | 2021-08-31 |
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