DE2321140A1 - CALENDAR WATCH - Google Patents

Description

Priority: April 22, 1972, Japan, Pat.-Ami. No. _n 4-0721 / 1972

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Applicant; .

Citizen Watch Company Limited

9-18, 1-chome, Nishishinjuku, Shinjuku-ku,

'Tokyo / Japan

Calendar clock

The invention relates to improvements to a calendar clock Usual calendar clocks are designed so that for each day the corresponding date and day display in correspondingly small display windows appear,

With this type of display, the clock calendar ZoB. not be answered embossing like "which date has

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next Sunday? "or-" What a day. is the 10th »of this month?" _o Answering such questions always requires some additional personal considerations.

It is a universal Kai ender watch known to all Date numbers of a month are fixed and that also has a seven-day calendar, which can be moved with reference to the fixed calendar »However, also with of such a calendar watch, the current date is shown only through a small window using a special one Drive displayed ο

With regard to the mobility of the daily calendar display it is impossible to display the Sunday display in the extreme left position of the calendar. Hence this gives way The display differs considerably from that of a wall calendar, so that this also creates corresponding inconveniences result.

The aim of the invention is to create a calendar watch that is essential to the prior art explained here is improved and in which the disadvantages described have been eliminated

The invention provides a calendar clock in which a Daily calendar display shows the seven days in a row with the numbers of the date calendar

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arranged in several rows in a grid which is closely adjacent to the daily calendar display, wherein a plurality of display members shared by The movement of the clock driven, are provided, one step at a time for each complete Ta & advanced to become"

Further advantages and features of the invention result from sJLCh the claims as well as from the following description and the drawing in which the invention is explained in detail and is shown

Show it : ...

a Figo 1 a plan view of a / first embodiment

the clock forming the invention,

Figures 2 a _o Fig. 1 corresponding clock, broken away in the individual parts in order to show in the interior of the watch parts,

3 shows a section along a section line HI-III ¹ in FIG. 2,

Fig. 4- is a plan view of one in the first embodiment indicator disc used,

Fig. 5 is a plan view of one in the first embodiment used quay disc,

6 is a plan view of a clock embodying a second embodiment of the invention;

7 is a perspective view of another

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Embodiment of a clock according to the invention and

8 is a diagrammatic view of another clock which is a fourth embodiment of the invention showed

A clock according to the invention, see Fig. 1 - * 5> has a conventional watch case 1 and a dial 2 for the time display, which is attached to a still to be explained clockwork in the usual way, the dial 2 is with a substantially sector-shaped viewing window 2a and also provided with a daily calendar display 2b, which shows the individual days of the week "Sunday", "Monday", " _o <. _β "Saturday" in abbreviated form shows »The day marks are lined up along the inner or shorter circumferential arc of the window. The dial also has a group of usual hour symbols 2c, which are arranged in a circle on the dial 2«, "■ '"

For setting the time display and the like, a conventional Schaft.3 is provided which is actuated in a known manner * The watch also has a second, a minute hand and an hour hand 4, 5 and 6 _C A partial and simplified illustrated strap 7 is detachably attached to the watch case.

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With a glance through the window 2a, a viewer can see essentially half of a composite date calendar board 8a, which essentially shows two groups of 51 consecutive date numbers 1-31, which extend over two individual months and are arranged in five concentric rows _o each visible row contains seven small, substantially square or rectangular rooms, the seven consecutive data contains _s of which, however, some may be released. The part of the assembled calendar board 8a that is visible through the viewing window 2a accordingly only forms part of the entire date calendar display O

A ring-shaped calendar plate 8 carries, see Figo 5> not only the first composite date calendar panel 8a, but also a second composite calendar board 8b _o The panels 8a and 8b are substantially identical, "but the panel 8a includes the date numbers one month at 31 and the Table 8b the numbers of a month with 30 days, whereby the table 8b is arranged diametrically opposite the table 8a. net is ", each of the concentric rows of the tables contains 13 small date fields _o It should also be mentioned that each of the radial spaces or divisions of a concentric row in the two date calendar tables 8a, 8b corresponds to a thirty-fifth of a" complete circle "

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On the back of the calendar plate 8, a group of 30 radially disposed gear teeth 8c is provided, see Figure 3? Ig _e 3, Some of these gear teeth 8c are in Figo 2 dot-dash line "The number of teeth 8c corresponds to the above 35 subdivisions mentioned the date calendar display,"

The date calendar 8 is rotatably guided through several storage or setting _{plates 12, only one of which is shown in phantom in Fig. 9} 3 _o These plates 12 are in turn firmly attached to a base plate 11 of the clockwork by means of screws or similar fasteners, which are not here for the sake of simplicity are shown »

A conventional spring or locking spring, not shown, which can work together with the teeth 8c, is provided, to bring the date calendar disc 8 into its exact position at each of the provided step positions »

As FIG. 1 shows in particular, each radial section corresponds the daily calendar display 2b exactly one radial subdivision of the date calendar table 8a or, 8b «,

A conventional cannon pinion 13, see Figure 3 _o 'is coupled to a conventional barrel wheel 14 »A hand wheel 10 has a toothed portion 10a on at thirty-five gear teeth;

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a pointer disk 10b is firmly connected to the tooth part and rotatably arranged on the wheel 14 «,

The pointer disk 10b, see FIG. 4, is made of a transparent one Made of material, preferably plastic, and designed with five display sections 10c, 10d, 10e, 10f and 10g, which are preferably colored. These sections are preferably projections and offset from one another and radially, so that they lie on different radial lengths, - accordingly those of the five concentric rows of the date disc tables 8a, 8b · These sections are, however, in the same Angularly spaced apart The center angle, two adjacent pointer sections on the legs lying, corresponds to a fifth of a complete circle,

A composite intermediate wheel 15 has a larger toothed wheel part which meshes with the cannon wheel 14, and a smaller toothed wheel part which is in engagement with a date shifting toothed wheel 16. The wheel 15 is rotatably arranged on a pin 11a, which in turn is fixed on the plate 11 seated A switching pin 16a is attached to the cogwheel 16, which can intermittently drive the larger toothed part 10a _e The movement is transmitted by the cannon wheel 14, which belonged to the usual, not shown gear train of the clockwork for the time display.The movement comes from the wheel 14 · Via the intermediate wheel 15 to the date wheel 16 _? so the latter

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fully rotated in twenty-four hours »Hence the tooth part 10a is rotated accordingly by means of the drive pin within twenty-four hours 2 shows, a spring or retaining spring 17 is provided arranged, while the actuating end of the spring 17 with dan Gear part 10a cooperates to ensure that the Wheel 10 is incremented and a selected section of the five display sections 10c-10g in exact Alignment with the correct date of one of the two Kaiendertafein 8a, 8b is brought o

A correction lever 18 is rotatable on a pivot pin 11c arranged rigidly on the base plate 11. This lever 18 is provided with a first pawl 18a, which cooperate with the teeth 8c of the quay 8 can »A second pawl 18b works together with the toothed part 10a of the display wheel 10« The lever 18 is usually held under the influence of an elongated spring 19, the foot part of which is fixed to the base plate 11, see FIG. is arranged, wherein the lever is held in its actuation-free position, in which both pawls 18a, 18b except Contact with the teeth 8c and the gear 10a «,

A composite wheel 20 for transmitting a correction consists of a double ratchet wheel 20a and one in one piece

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gear 20b formed therewith and is rotatably arranged on the base plate 11. In order not to be overwhelmed by the drawing To make it clear, the gear wheel 20b is shown as a simple wheel. This also applies to a correction clutch wheel 21, that meshed with the gear 20b. Each of the pawls on the wheel 20a can cooperate with a projection of the lever 18, see Figo 2 "· ■

A second or auxiliary shaft 9a is provided with a crown 9 and rotatably arranged on the plate 11, as well as the Haufitschaft-3; is on a detailed presentation, since the arrangement is known per se, it has been omitted

The shaft 9a has a section 9b with a square Provided cross-section on which the coupling wheel 21 is arranged so that it can slide axially »The coupling wheel 21 rotates even with the shank 9p

By rotation of the second shaft 9a by hand movement on the clutch gear 21 and the composite wheel 20 is transmitted so that the ratchet wheel is, for example, according to the just intended direction of rotation of the shaft rotated 20a in the illustration of FIG. 2 9a counterclockwise _e

By turning the ratchet wheel 20a counterclockwise

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the lever wheel 18 is rotated clockwise so that the Calendar ring 8 is rotated by one step by engaging the pawl 18a with one of the teeth 8c «, Immediately after Execution of the calendar circuit releases the ratchet wheel 20a from contact with the correction lever wheel 18, which thereby becomes free and returns to its illustrated neutral position under the influence of the elastic adjusting spring 19 By repeating this process, the calendar ring can be successively rotated step by step to the to make occasional calendar corrections.

If, on the other hand, the ratchet wheel 20a is rotated in the opposite or clockwise direction with reference to FIG the correction lever 18 rotated counterclockwise As a result, the display wheel 10 is moved one step further. After this movement has been carried out, the ratchet wheel 20a is released from contact with the lever 18, which is then again returned to its neutral position. By repeating this operation, the indicator disc 10b becomes consecutive corrected gradually until the desired date correction has been carried out «

The viewing window 2a has such opening dimensions that it includes a center angle of 560/5 degrees _o Through this cutout are seven consecutive date segments

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one of the two date calendars taf an 8a or 8b visible «,

Each calendar table 8a or 8b has thirteen date parts in each of the concentric rows _o The date numbers are arranged so that if the calendar number "1" has been brought into radial alignment with one of the days of the week of the daily calendar display 2b, all date numbers that have a complete odd or even month, in the viewing window 2a appear "The picture corresponds to a wall calendar to be grasped at a glance",

Following the "31" or the closing date of an odd month, four date numbers "1-4 ·" in a R _e ihe in the case of the first calendar panel 8a and show the initial data of the next month when the final day of the odd month enters "In similarly, five date numbers "1-5" are shown in a row subsequent to "30" in the case of the second calendar table 8b to show the starting dates of the next month at the end of an even month _e

For a better understanding, the method of operation of this first embodiment of the invention is explained in detail below. It is assumed that the current month is odd and begins with Tuesday _9, as shown as an example in FIG.

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The crown 9 and thus the auxiliary shaft 9a are rotated in such a way that that the ratchet wheel 20a in Fig, 2 is rotated counterclockwise to gradually the calendar disc or, more precisely expressed, to turn the ring 8 further ^ to the -first date number "1" in the innermost row of the first date calendar table- 8a radially in alignment with the day representation "Tuesday" of the display 2b has been brought "

If the scheduled date is the first of the month, will the ratchet wheel 20a in Fig. 2 by appropriate actuation the auxiliary crown 9 rotated clockwise so that the display wheel 10 rotated and the display section 10c in alignment with the date number "1" of the innermost row of the calendar panel 8a is brought *.

The Datumschaltrad 16 makes twenty-four hours a complete revolution, which is for through the usual, not shown gear train of the movement, the time display is driven "This makes the display wheel 10 by means of the drive pin 16a to just forwarded a tooth gap in a full day _o Upon arrival of the the next day, the display section 10c has moved to the next following date number "2" and so on.

A. On the fifth day the Amseige section 10c is above the fifth Date number "5" in the same row «,

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On the sixth day, the next and over one appears Step radially offset display section 1Od from the left in Fig. 1 in the viewing window 2a and covers the date number "6" in the next larger row · The previous display section 10c disappears from the visible area of the window in FIG. 1 to the right.

Correspondingly appears with the arrival of the thirteenth calendar day of the same month the next one! about one Step radially offset display section 1Oe in the viewing window ster and covers the thirteenth date number "13" of the same Month in the third line of table 8a *

When the twentieth calendar day of the same month arrives, the next following, one more step, appears radially offset display section 1Of in the viewing window and covers the twentieth date number "20" of the same month in the fourth line of table 8a ·

Correspondingly, when the twenty-seventh calendar day of the same month occurs, the next display section 10g _{t appears} so that the twenty-seventh date number "27" is covered in the fifth line of table 8a.

At the end of the month, the same ad covers cut 10g the closing date "31" in the fifth line of the

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faftl 8s "IAE is not correct esrfqrderlieh ^ calendar ring 8, as the first SWEi Bstmroraahlen" 1 "and" 2 "of the next Senate äwsh that!? 's" tar 2a are visible ·

When the third day of the next month occurs, the first display separation 10e appears from the left in the viewing window on the first or innermost borrowed calendar board 8a · At this point in time, the wearer of the watch can choose one of the calendar boards 8a, 8b depending on how you whether the respective month is odd or even _f and accordingly bring the third date number "3" in the second row radially into alignment with the day representation "Sunday" continues to run regularly. That means a significant advantage «=

According to the invention, five rows with date numbers are provided in the country table 8a or 8b. According to the explanations given so far, a sixth row of numbers would be necessary in order to include the date numbers "JO, 31" or "30" and display them if the current month began on a Friday or Saturday and the display on last day ends with the 29 «or 3O _{e ·}

The calendar trsyatem described here consists of five rows of date numbers. adapt to this possibility,

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are the numbers "30, 31" for the odd and "30" for the even month on the first or innermost row of the calendar ^ - Table 8a or 8b has been set “Due to this arrangement, the Datura information for a predetermined limited display area are made correspondingly larger. On the other hand, the first display section 10c appears when it disappears of the last display section 10g, so that it is not necessary to correct the position of the display wheel 10, as long as the clockwork continues to run regularly '

In Fig. 6 a second embodiment of the invention is shown, where the same or similar components of the calendar device have the same reference numerals as the corresponding ones Parts of the inherited embodiment have been designated with the addition of 100 ·.

In this embodiment it is the daily calendar representation 102b arranged vertically, with the day names in horizontal rows. The essentially sector-shaped Viewing window 102a is formed in the immediate vicinity of the hour mark for "3 o'clock". The first calendar board 108a can be seen in the viewing window. The second calendar board 108b is covered. Compared to the first embodiment are these calendar boards rotated by 90 ° »

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The numbers appearing in each of the concentric lines on the calendar table increase clockwise _o

The viewing window can instead also be near one The hour symbol for 9 or 12 o'clock can be provided if desired

The display devices 110c-110g are designed as a corresponding number of pointer arms of different lengths. The pointer 11Oe can be seen in a solid line in the viewing window 102a; the other hands are shown in phantom "These pointers can be formed as a print on the front side of a display disc of transparent material such as _e." The pointers can, for example, "be provided with arrowheads The direction of rotation of the indicator disc 110 is, of course opposite to that used in the first embodiment" Furthermore, the display switching means and the correction apparatus for the display and for the date representation may be substantially as set forth in the first example and work ₀

In a third embodiment, see Fig. 7, this is Viewing window 202 (cut into the jacket of a cylindrical watch case 201. The chalkboard is in this lall the circumferential surface of a hollow cylinder. Further Parts of this embodiment are given the same reference numerals

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as in the first I ¹ all under-counting of 200 "

A fourth embodiment shows Pig. ■ 8 _O is The Sichtfen- edge 302a in the conical surface of a watch case 301 cut ", the calendar plate is formed as a single conical shell not shown in this Pail"

The parts and details required for operating the embodiments according to Pig ₀ 7 and 8 can easily be derived from the first embodiment by slight modification «,

- PATENT CLAIMS

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Claims (1)

PATENT CLAIMS Calendar clock with day and date calendar, characterized by a day calendar field (2b) in which the seven days of the week are listed in a row, by a grid-like arrangement (8a) of the month date numbers in a grid comprising several rows, which is immediately adjacent to the day calendar field, and by a plurality of display devices (10c-10g), which are arranged for step-by-step and day-by-day advance together through the clockwork, the switching step of a date division in the grid arrangement and the spacing of the display devices from each other the opening arc of a. Viewing window (2a) corresponds to ^ with a display device being provided ^{for each row of the u itter.} 2 "Calendar watch according to claim 1, characterized in that the date (8a) and the day calendar field (2b) in their mutual position can be adjusted, 5 «Calendar watch according to claim 1_ ~ 2 _f, characterized in that the arrangement (8a _s 8b) of the date numbers extends over two months and comprises five parallel rows, the display devices (10c - 10g) being distributed over five corresponding rows. 19 *. ~ 19 - 2321U0 4-. Calendar watch according to Claims 1-3, characterized in that the date calendar arrangement (8a, 8b) is two diametrically opposed opposite fields includes » Calendar watch according to claim 1 _ 4, characterized in that a disk (8) with the date calendar arrangement and a disk (10b) with the display devices an adjusting device (20, 18) are adjustable 309844/0981 Blank page