JP2950398B2 - Alarm clock - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm clock provided with a guide mechanism for digital display.

[0002]

2. Description of the Related Art In general, an analog type alarm clock is provided with a digital indication device for displaying a reference time by a numeral, and the digital reference device displays the time set as a reference by a numeral so as to be easily understood. There is known a device in which time can be set accurately.

[0003] This digital indication device is composed of a disc-shaped minute indication indicator and hour indication indicator having minute and hour numerals printed on the outer periphery thereof, and a wheel train for driving these wheels. It is connected to the standard correction mechanism of the watch movement. The reference correction mechanism is operated by a reference correction knob protruding from the back of the timepiece body (for example, JP-A-53-144778 and JP-A-59-160790).
issue,).

[0004] In addition, there is also known a device provided with a reference dial wheel in place of the correction knob (for example, see Japanese Utility Model Application Laid-open No.
-17485).

[0005]

However, according to the conventional reference correction mechanism, since the reference correction knob for reference adjustment is provided on the back of the watch body, the work of setting the wake-up time is complicated. There is a disadvantage that operability is low. That is, when setting the wake-up time, once
The wake-up time was adjusted by turning over the watch body, searching for the correction knob, turning the clock over again, and then turning the correction knob. If the setting was incorrect, this procedure had to be repeated again. In particular, for example, in the case of a large clock or a wall clock, it takes time and effort to remove it from the installation position, and the heavy weight makes it inconvenient to handle.

Further, the conventional vehicle has a problem that the handleability at the time of assembling is not good because of the structure in which the hourly indicating set indicating vehicle and the minute indicating set indicating vehicle are coaxially arranged.

Therefore, the present invention provides an alarm clock that can perform a guide setting operation while confirming an accurate guide set time, and can improve the operability of the guide setting and the handling at the time of assembly. It is intended to be.

[0008]

Means for Solving the Problems The present invention provides a first invention,
When the reference numerals used in the embodiment are attached and described, in an alarm clock that displays the reference time on the hour reference set display car and the minute reference set display car, the hour reference set display car 13 and the minute reference set display car 14 Are provided coaxially, and a gear 1 is provided at a lower portion of the hourly indicating set indicating vehicle and the minute indicating set indicating vehicle, respectively.
4c and 17b, and these gears are used as reference wheels 2
Engaged with a guide interlocking gear train 11 that is linked to 9,該分guide Se
Indication of the guide set intermittently for each revolution of the car
The two display wheels are rotated in cooperation with each other so as to rotate the car 1/12 , and a reference dial wheel 9 having a concave cross section is provided, a part of which protrudes from a side surface of the timepiece body. A gear 9b having a smaller diameter than that of the dial wheel is integrally provided coaxially inside the concave shape, and the timepiece body is meshed with the gear of the smaller diameter of the reference dial wheel, and the outer peripheral surface of the reference dial wheel An intermediate wheel 31 part of which protrudes outside is also provided, and the intermediate wheel is an alarm clock that meshes with the gear 14c provided below the minute guide set display wheel.

[0009]

Further, the second invention of the present application provides an alarm clock in which the reference time is displayed by an hour reference set display vehicle and a minute reference set display vehicle, wherein the hour reference set display wheel 13 and the minute reference set display wheel 14 are coaxial. A gear 1 is provided on the lower part of the hourly indicating set indicating vehicle and the minute indicating set indicating vehicle, respectively.
4c and 17b, and these gears are used as reference wheels 2
9, the indicator wheel is engaged with the reference interlocking wheel train 11 to rotate the two display wheels in cooperation with each other. The indication guide wheel display indicator wheel is provided with a cylindrical coupling cylinder portion 13b. A guide set display wheel is rotatably mounted, and a feed pinion wheel 17 for preventing falling off is attached to the end of the connecting cylinder,
This is an alarm clock in which the feed wheel is used as a gear of the hour indication set display wheel .

[0011]

Therefore, according to the first aspect of the present invention, the reference dial wheel is disposed so as to protrude from the side of the main body of the timepiece. Since the car is driven, when turning the reference dial wheel protruding from the side of the watch main body, each guide set display car will rotate in reverse order and check the correct guide setting time and perform the guide setting operation. Since the setting can be performed, the operability of the reference setting can be improved. Here, the watch main body means both the watch main body case and the watch main body movement. Therefore, when the watch main body is the watch main body case, the reference dial wheel projects from the case. A part of the reference dial can be recognized, but when the watch body is a watch body movement, the reference dial car protrudes from the movement but does not protrude from the case. Will be done.

[0012]

Further, according to the second aspect of the present invention, the hour and minute guide set indicating vehicle can be handled as a guide set indicating vehicle constituted by one set of parts, so that handleability as a main part is improved. improves.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments.

In FIGS. 1 and 2, an alarm clock 1 according to the present embodiment is provided with a timepiece main body case 2, a dial 3 disposed on the front of the case 2, and a center of the dial 3. A clock hand 5 fixed to the clock shaft 4 for displaying the time by the rotating operation of the clock shaft 4, a clock movement 6 provided on the back of the dial 3 for driving the clock shaft 4, and a reference time indicated by numerals. The digital dial display 9 is constituted by a digital indicator display device 8, and the indicator dial 9 of the digital indicator display device 8 partially protrudes from the side of the watch body case 2.

That is, this watch movement 6
A not-shown motor-driven timepiece mechanism is housed therein, and the timepiece shaft 4 is connected to the timepiece mechanism via a wheel train. The clock shaft 4 penetrates the dial 3 and protrudes from the front surface, and has a clock hand 5 having a long hand 5a and a short hand 5b at the tip.
Is installed. The clock shaft 4 is driven to rotate by a clock mechanism, and the dial 3 is rotated with the rotation of the clock shaft 4.
On the upper part, the long hand 5a and the short hand 5b of the clock hand 5 individually operate to indicate the index on the dial 3 and display the current time.

As shown in FIG. 3, the digital reference display device 8 is provided between the dial 3 and the clock movement 6, and displays a set reference time digitally by a numeral. It comprises a guide wheel train 11 that drives the guide set display vehicle 10 in a linked manner, and a guide dial wheel 9 that corrects the guide time.

That is, this reference set display car 10
The dial 3 is arranged coaxially with the clock hand 5 on the back side of the dial 3, and a rectangular display hole 12 is formed at a predetermined position of the dial 3. Therefore, the minute and hour numerals indicating the reference set time of the reference set display vehicle 10 are visually displayed outside from the display hole 12.

As shown in FIG. 4, the indication set display wheel 10 is a disc-shaped indication set indication wheel 13 disposed coaxially with the clock shaft 4, and a reference indication indication wheel 13 at this time.
And a minute guide set display wheel 14 having a larger diameter. In addition, an insertion hole is provided at the center of the hour indication display wheel 13, which is loosely fitted to a support cylinder 15 provided around the clock shaft 4 of the timepiece movement 6, and rotates the indication set indication wheel 10 to the timepiece movement 6. It can be held as possible.

On the outer circumference of the hour reference set display wheel 13, numerals 13 a indicating hours from 1 to 12 are printed at equal intervals, and similarly, on the outer circumference of the minute guide set display wheel 14,
Numerals 14a indicating minutes at intervals of 15 minutes are printed at equal intervals (see FIG. 3).

Further, as shown in FIG. 5, the support cylinder 15 of the timepiece movement 6
The clock movement 6 is provided with an insertion hole 16 that fits loosely into the
To be rotatable. Around the insertion hole 16, a cylindrical kana-coupling tube portion 13b is integrally formed, and the kana-coupling tube portion 13b rotatably holds the minute guide set display wheel. The guide-feeding kana wheel 1 is provided at the tip side of the kana-coupling tube portion 13b.
7 is fixed by crimping to prevent the minute guide set display wheel 14 from falling off. Therefore, the time reference set display vehicle 1
3 is configured so that the minute guide set display wheel 14 is rotatably assembled, so that the hour and minute guide set display wheels 13 and 14 are provided.
Can be handled as the reference set display vehicle 10 configured as a set of parts, and the handling as main parts can be improved.

As shown in FIGS. 3 and 5, positioning guide holes A2 and A2 having the same diameter penetrate through the reference feed pinion wheel 17 and the minute reference set display wheel 14, respectively. A2 and A2 are provided at positions based on a reference time described later. Accordingly, the guide holes 17 and the positioning guide wheels 14 of the minute guide set display wheel 14 are made to coincide with each other, and
Are provided so that an accurate rotational position matching the reference time can be secured.

Further, the guide feed pinion wheel 17 has a large-diameter ratchet portion 17a and a gear 17b integrally provided in two stages, and the ratchet portion 17a has 12 sheets intermittently provided on the outer periphery. It consists of external teeth. At the center of the minute guide set display wheel 14, an insertion hole 18 is provided for loosely fitting the kana coupling cylindrical portion 13 b of the hour guide set display wheel 13, and similarly around the insertion hole 18 on the back side. , A large ratchet portion 14b and a gear 14c are integrally provided in two stages. The ratchet portion 14b is formed to have a larger diameter than the ratchet portion 17a of the reference feed pinion wheel 17, and likewise has twelve external teeth provided intermittently.

In addition, these hour and minute reference set display car 1
The clock movement 6 has click springs 20, 2 corresponding to the ratchet portions 17a, 14b provided on the
1 are provided integrally. These click springs 2
Each of 0 and 21 has a wedge-shaped portion where the distal end is in contact with the ratchet portions 17a and 14b, and a base arm is formed in a rectangular rod shape that can be elastically deformed. Then, when the guide set display wheels 13 and 14 are mounted, the base arms of the click springs 20 and 21 are elastically deformed, and the distal ends of the click springs 20 and 21 are moved to the ratchet portions 17a and 14b. Abut against the gap between the external teeth with a pressing force. Accordingly, the operation position of the digital display by each of the reference set display wheels 13 and 14 can be reliably achieved, and a stable click feeling can be obtained.

The reference interlocking wheel train 11 is further shown in FIGS.
As shown in FIG.
The transmission wheel 26 and the minute transmission wheel 27 are meshed with each other. In addition, the hourly indicator wheel 26 is displayed on the hourly indicator set display vehicle 13, and the hourly indicator wheel 27 is displayed on the hourly indicator set indicator vehicle 14.
, Respectively. Therefore, the hour and minute indication set display cars 13 and 14 can be driven in conjunction with the reference indication wheel 25 via the hour and minute indication wheels 26 and 27.

In other words, the reference guide wheel 25 is composed of a small-diameter sharing drive gear 25a and a large-diameter outer driving gear 25b provided with two teeth on the outer circumference. The hour and minute wheels 26 and 27 have external gears 26a, 26b, 27a and 27b of different diameters in two stages, and the small diameter gears 26a and 27a mesh with the reference reference wheel 25, respectively. On the other hand, the large-diameter gears 26b, 2
7b is meshed with gears 17b and 14c provided on the hour and minute reference set indicating wheels 13 and 14. Therefore, while the minute indicator wheel 27 rotates in accordance with the rotation of the reference indicator wheel 25, the time indicator wheel 26 is driven by 1/12 rotation for each rotation of the reference indicator wheel 25. That is, when one of the hour and minute reference display wheels 13 and 14 is driven to rotate, when the display wheels 13 and 14 are engaged, the time notification wheel 2 is engaged.
The sixth or third wheel 27 rotates, and the reference wheel 25 is driven to rotate. When the minute indicator wheel 27 is driven to rotate with the rotation of the reference wheel 25, the wheel is driven to rotate as it is. Informing car 26 with one revolution
Is driven by 1/12 rotation, and finally, the hour and minute reference set display wheels 13 and 14 rotate interlockingly at a predetermined ratio.

The reference reference wheel 25 is connected to a reference wheel 29 coaxially disposed on the clock shaft 4 via a reference transmission wheel 28, and mounted on a reference shaft 29a coaxial with the reference wheel 29. The guide needle 29b is driven. Therefore, at the same time when the reference time is digitally displayed, the reference hand 29b rotates on the dial 3 with the rotation of the hour and minute reference set display wheels 13 and 14, and the reference time set in the same manner as in the related art is displayed in an analog manner. I do.

The reference dial 9 of the digital reference display device 8 is disposed substantially in the lateral direction of the clock shaft 4 of the timepiece movement 6, and meshes with the minute reference set via an intermediate wheel.

That is, the reference dial wheel 9 is formed in a large-diameter disk shape, and a partial outer periphery thereof is projected from a side surface of the timepiece body. A thick rim 9a is provided on the periphery of one surface of the reference dial wheel 9, and a regular anti-slip pattern is engraved on the outer periphery of the rim 9a. Accordingly, a thick, large-diameter, large-diameter wheel is used as an operation portion of the reference dial wheel 9 in this manner, thereby facilitating the rotation operation by the user.

A small-diameter driving gear 9b provided with external teeth is provided integrally on the center axis of the reference dial wheel 9, and the driving gear 9b meshes with a small-diameter driven gear 31a of the intermediate wheel 31. (See FIGS. 5 and 6). That is, the intermediate wheel 31 includes a small-diameter driven gear 31a and a large-diameter driving gear 31b, and the large-diameter driving gear 31b.
Is meshed with the gear 14c of the minute guide set display wheel 14. Therefore, when the user rotates the reference dial wheel 9, the gear 14 c of the minute guide set display wheel 14 is driven to rotate via the intermediate wheel 9, and the rotation of the gear 14 c of the minute guide set display wheel 14 is performed. The hour indication set display wheel 13 performs a predetermined rotation operation via the reference indicator wheel 25 of the guide interlocking wheel train 11 described above. That is, with the rotation of the gear 14c of the minute guide set display wheel 14, the minute transmission wheel 2
7 rotates, and the rotation of the transfer wheel 27 is based on the reference guide wheel 2
The hour indication wheel 26 is rotated by 1/12 rotation for each rotation of 5, and the hour indication set display wheel 14 is rotated at a predetermined speed. Also, at this time, the hour and minute reference set display vehicles 13 and 14 are described.
Ratchet parts 17a and 14b provided in the watch movement and click springs 29 and 21 of the timepiece movement 6 corresponding thereto.
Thus, an appropriate click feeling can be obtained, and the rotational position of the digital display can be stably secured.

By the way, in this embodiment, 10:55 is set as a reference standard time for assembling.
Positioning holes A, B, C,
D and E are provided at predetermined positions of the hour and minute guide set display cars 13 and 14, the clock movement case 23, the guide wheel 27 of the guide interlocking wheel train 11, and the intermediate wheel 31 of the guide dial wheel 9. ing.

In other words, based on the reference time of 10:55,
While the positioning hole A1 is provided, the minute guide set display wheel 14 is provided with a positioning hole B1 corresponding to the position where the positioning hole A1 of the hourly guide set display wheel 13 penetrates (FIGS. 3 and 5). reference).

Further, these hour and minute reference set display car 1
The timepiece movement case 23 is provided with a positioning hole C1 corresponding to a location where the positioning holes A1 and B1 provided in the holes 3 and 14 are penetrated.

Further, based on the reference time of 10:55, a positioning hole D is provided in the transmission wheel 27 of the reference interlocking wheel train 11.
1, a positioning hole C2 having the same diameter is provided at a predetermined position of the timepiece movement case 23 (see FIG. 6). As long as the transmission wheel 27 is fixed, the other gears 25, 2
In the case of No. 6, since the rotation operation is suppressed, the rotation position of the other gears can be defined by appropriately regulating only the rotation position of the split wheel 27. A positioning hole E1 is also formed in an intermediate wheel 31 of the reference dial wheel 9 described later (see FIGS. 6 and 9).

The positioning holes A, B,
Using C, D, and E, first, the reference gear group on the timepiece movement 6 side, that is, the positioning of the reference dial wheel 9 and the reference interlocking wheel train 11, is determined. 14 is rotated so as to be displayed at a reference time, and finally, the reference set display vehicle 10 is mounted on the timepiece movement 6 at a position where the reference time is displayed. At the time of assembling in this manner, as shown in FIG. 9, an assembling jig (shown in FIG. 9) composed of positioning pins p1, p2, and p3 having predetermined lengths corresponding to respective positions and inserted into these positioning holes. Is omitted). Pin p1 is positioning hole A
1, B1, C1 and the pin p2 is located in the positioning holes C2, D1.
The pin p3 is inserted through the positioning holes C3 and E1.

Therefore, when assembling the guide interlocking wheel train, assembling the indicator set indicating vehicle, and attaching it to the movement,
By adjusting the rotation position of the reference set display vehicle so that these positioning holes become a single hole and matching the positioning holes, the rotational positional relationship between the reference set display vehicle itself and the clock movement can be determined. , Can be set easily and accurately. In addition, since the gears meshing with each guide interlocking train and guide set display car are accurately positioned,
When the indicator set display car is mounted on the watch movement, it can be smoothly mounted.

The hour and minute indication set display vehicles 13 and 14
10 is attached to the movement 6 in accordance with the assembly reference time, the guide set display wheels 13 and 14 corresponding to the positions where the ratchet portions 17a and 14b and the click springs 20 and 21 contact each other are shown in FIG. As shown in FIG. 6, confirmation windows 13c and 14d for confirming a normal contact state are provided, and pin holes 20c and 21c are penetrated at the distal ends where the click springs 20 and 21 abut (see FIG. 6). ). Therefore, when attaching the reference set display car 10 to the timepiece movement 6, these confirmation windows 13c, 14d
From the contact points 20a, 21 of the click springs 20, 21
a can be visually recognized, and it can be confirmed that the contact is properly made. In addition, each hour, minute guide set display car 13,14
When the click springs 20 and 21 are pushed in and are not properly assembled, the force of the click springs 20 and 21 is reduced by using tweezers or inserting pins into the pin holes 20c and 21c of the click springs 20 and 21. The click springs 20 and 21 can be returned to an appropriate contact state by performing the lifting operation of the click spring 21.

As described above, according to the present embodiment, a large dial wheel having a large diameter and a large diameter is disposed so as to protrude from the side of the timepiece body, and when the dial wheels are interlocked with each other via the intermediate wheel,
Minute guide set display The minute guide set display car of the car is driven, so if you rotate the guide dial wheel protruding from the side of the watch body, each guide set display car will rotate in reverse order, and the correct guide setting will be made Since the guide setting operation can be performed while checking the time, the operability of the guide setting can be improved.

Further, a cylindrical connecting cylinder portion is provided on the hourly indicating set indicating wheel, and a minute indicating set indicating wheel is rotatably mounted on the connecting cylindrical portion, and a feed pin for preventing falling off is provided at the end of the connecting cylindrical portion. By installing the car and incorporating the minute guide set display car rotatably in the hour guide set display car, the hour / minute guide set display car should be treated as a guide set display car composed of one set of parts. Therefore, the handleability as a main part can be improved.

Further, based on a predetermined reference time reference, a positioning hole is provided in a reference set indicating vehicle, a part of gears of the reference interlocking wheel train, and a clock movement, so that the reference setting wheel is assembled when the guide interlocking wheel train is assembled. At the time of assembling the indicator wheel and mounting it on the movement, adjust the rotation position of the indicator set indicator wheel and gears so that these positioning holes become a single hole, and match the positioning holes, so that The rotational positional relationship among the gears in the row, the reference set display vehicle itself, and the clock movement can be easily and accurately set to the reference time. In addition, since the meshing gears are accurately positioned in the reference interlocking wheel train and the reference set display car as described above, when the reference set display car is mounted on the timepiece movement, it can be smoothly mounted. As a result, parts can be prevented from being damaged during assembly, and the assembly time can be shortened.

Further, in a state where the guide set indicating vehicle is mounted on the movement in accordance with the assembling reference time, a check is made at a corresponding portion of each guide set indicating vehicle corresponding to a position where the ratchet portion and the click spring abut. The normal contact state can be confirmed by penetrating the window, and if the click spring is pressed or bent incorrectly, the click spring can be properly contacted with the tool through this confirmation window. Can be modified to state.

In the above embodiment, the case where the reference dial 9 protrudes from the watch body case 2 has been described as an example. However, the reference dial 9 protrudes from the watch movement 6 and protrudes from the watch body case 2. It is also possible to adopt a mode in which the reference dial wheel 9 is hidden when viewed from the front side.

[0043]

As described above, according to the first aspect of the present invention, the reference dial is disposed so as to protrude from the side of the main body of the timepiece, and the hour and minute reference sets are displayed in cooperation with each other via the intermediate wheel. Since the indicator guide car of the car is driven, the indicator dial car protruding from the side of the watch body is rotated, and each indicator set display car rotates in reverse order and confirms the exact guide time. However, since the guide setting operation can be performed, the operability of the guide setting can be improved.

[0044]

Further, according to the second aspect of the present invention, the hourly indication set indicating wheel is provided with a cylindrical coupling cylinder portion, and the minute indication set indicating wheel is rotatably mounted on the coupling cylinder portion. mounting the feed kana car for dropout prevention at the tip, the feed kana
Since the car is used as the gear for the hour indication set display car, it is possible to handle the hour and minute indication set indication car as an indication set indication car composed of one set of parts, and as a result, handling as a main part It can improve the performance.

[Brief description of the drawings]

FIG. 1 is a front view showing a schematic configuration of an alarm clock.

FIG. 2 is a right side view showing a schematic configuration of the alarm clock.

FIG. 3 is a view of a portion of a reference set display vehicle and a reference dial vehicle as viewed from the front side.

FIG. 4 is a sectional view showing a reference wheel train.

FIG. 5 is an exploded perspective view showing a reference set display vehicle and a reference dial vehicle.

FIG. 6 is a perspective view of a reference dial wheel and a reference wheel train viewed from the front side.

FIG. 7 is a perspective view of a reference dial wheel and a reference wheel train viewed from the rear side.

FIG. 8 is a sectional view showing a reference wheel train.

FIG. 9 is a perspective view of a reference dial wheel and a reference wheel train.

FIG. 10 is a front view of the reference set display vehicle.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Alarm clock 2 Clock main body case 3 Dial 4 Clock axis 5 Clock hand 5a Long hand 5b Short hand 6 Clock movement 8 Digital guide display device 9 Guide dial wheel 9a Rim section of guide dial car 9b Guide wheel of guide wheel 10 Guide set display Car 11 Guide interlocking wheel train 12 Display hole 13 Hour guide set display car 13a Hour guide set display Car hour number 13b Hour guide set display Kana coupling cylinder part 13c Hour guide set display Confirmation window of ratchet part of car 14 minutes Estimated set display car 14a Minute set display car minute number 14b Minute set display ratchet part 14c Minute set display car gear 14d Minute set display car ratchet part confirmation window 15 Support cylinder 16 Insertion hole 17 Estimate Feed kana wheel 17a Ratchet part of guide kana wheel 17b Gear of guide kana wheel 18 Insertion hole 20 hour guide set display car click spring 20a Guide guide set display car click spring contact point 20b Guide guide set click vehicle base spring arm 20c Guide guide set display car click spring pin hole at 20c 21 minute guide set display car click spring 21a hour guide set display car click spring abutment point 21b hour guide set display car click spring base arm 21c guide guide set display car click spring hole 23 watch movement Case 25 Reference guide wheel 25a Small-diameter shared drive gear of reference guide wheel 25b Large-diameter and two-tooth toothed drive gear of reference guide wheel 26 Time transmission wheel 26a Small diameter wheel of time transmission wheel 26b Large diameter of time transmission wheel Gear 27 minute transmission wheel 27a small diameter wheel of minute transmission wheel 27b large diameter gear of minute transmission wheel 28 guide wheel 29 guide wheel 2 a Guide shaft 29b Guide hand 31 Guide wheel intermediate wheel 31a Drive wheel of guide wheel intermediate wheel 31b Drive gear of guide wheel intermediate wheel A1, A2, B1, C1, C2, C3, D1, E1 Positioning hole p1, p2, P3 pins

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields investigated (Int. Cl. ⁶ , DB name) G04B 23 / 02,19 / 00 G04B 19/28 G05G 1/00

Claims (2)

(57) [Claims] 1. An alarm clock for displaying a reference time on an hour reference set display car and a minute reference set display car, wherein the hour reference set display car and the minute reference set display car are provided coaxially, and the time reference set is provided. Gears are provided at the lower part of the indicator wheel and the minute indicator set indicator wheel, respectively, and these gears mesh with the indicator interlocking wheel train interlocking with the indicator wheel, and intermittently rotate every one rotation of the minute indicator set indicator wheel. The indication indication set wheel is used to rotate both indication indication wheels in a coordinated manner so as to rotate the indication indication indication car by 1/12. An indication indication wheel having a concave cross section is provided, part of which protrudes from a side surface of the timepiece body. The reference dial wheel is provided integrally with a gear having a smaller diameter than that of the dial wheel on the same axis inside the concave cross section. The watch body meshes with the small diameter gear of the reference dial wheel, and Car outer surface An alarm clock, wherein an intermediate wheel partially protruding outside of the intermediate wheel is provided, and the intermediate wheel meshes with the gear provided at a lower portion of the minute guide display vehicle. 2. Estimated time is indicated by hour indication set display car and minute indication
In an alarm clock displayed on a set display car, the hour indication set display car and the minute indication set display car are coaxial.
Prepared at the top, the time guide set display car and the minute guide set table
Gears are provided at the bottom of the indicator wheel,
Gear meshes with a guide interlocking wheel train linked to the reference car,
Is intended to link the rotation of both display wheel, the cylindrical coupling tube portion is provided in the time indication setting display wheel, this
The indicator car is rotatably mounted on the connecting cylinder
At the same time as the feed tube for preventing falling off
Attach a car and display this feed kana car at the above guideline set.
An alarm clock characterized by a car gear .