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
  • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
  • G04B19/221—Arrangements for indicating different local apparent times; Universal time pieces mechanisms for correcting the hours hand only, i.e. independently for minutes and seconds hands
• • 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
  • G04B19/22—Arrangements for indicating different local apparent times; Universal time pieces
  • G04B19/223—Arrangements for indicating different local apparent times; Universal time pieces with rotary disc, rotary bezel, or rotary dial

Definitions

• the present invention relates to a timepiece comprising a display from 0 to 12 hours, a display of the minutes, a display of the time zone of two geographical locations located in two time zones separated by 180 ° from each other , corresponding to the hours displayed by said hour display, an AM / P display to distinguish the hours preceding from those following the passage from the sun to the meridian, an indicator to indicate for which of the two time zones displayed the hours are those before or after passage to the meridian, step-by-step driving elements of the movable elements of said time display and AM / PM indications and a rocker for simultaneous correction of the time, time zone and indicator displays AM / PM, capable of moving between two limit positions, and maintained in one of said limit positions by a return spring.
• FR 2 752 628 thus relates to a watch of this type in which the hours are displayed on the one hand by a hand, on the other hand by a disc which indicates the corresponding local hours. to those of different cities, on a 24 hour scale.
• the representative cities of the different time zones are carried by a rotating disc.
• a correction mechanism intended to change from one time zone to another, connects the 24-hour disc, the time zone disc showing the cities and the time switch so as to operate l / 24 th turn to the cities disc and to the hours disc with each correction.
• Such a system makes it possible to know the local time of the various places of the planet by looking at the disc 24 hours and the corresponding cities.
• One of the drawbacks of such a display mode is that in most countries of the world, especially in all English-speaking countries, people are not used to counting the hours of the day on 24 hours. Even in other countries, generally, in everyday parlance, we speak more easily of 2 o'clock in the afternoon than of 2 o'clock for example, so that a watch displaying the hours on a 24-hour scale does not a universal indication - the usual ent, even if it is understandable.
• the object of the present invention is to remedy, at least in part, the above-mentioned drawbacks.
• the subject of the present invention is a timepiece of the aforementioned type, as defined by claim 1.
• the essential advantage of the solution proposed by this invention resides in the fact that the correction does not result directly from the pressure exerted on the correction pusher, but that it is produced by the winding of the return spring and only if this reinforcement is complete, that is to say if the finger of the correction lever is brought out of the teeth of the drive member step by step of the mobile elements of the display in which it is engaged, passing beyond a tooth of this toothing. If the pressure on the pusher is incomplete and the rocker finger does not pass beyond the tooth of the toothing of this step by step drive of the movable display elements, the return spring disarms without drive the drive member and without any correction occurring. In this case, the user will immediately see that no correction has been made and it will suffice for him to press the pusher further for the correction to be carried out. Therefore, no accidental difference between the time display and the time zone indication may occur following the actuation of the correction button.
• Figure 1 is an exploded perspective view of the display mechanisms of this embodiment
• Figure 2 is an assembled perspective view of the mechanism of Figure 1 with the dial and the needles exploded
• Figure 3 is a perspective view of the display mechanisms partially assembled with parts broken away
• Figure 4 is another perspective view of the display mechanisms partially assembled with a cutaway
• Figures 5-7 are partial plan views of the display mechanisms in three phases of the correction process
• Figures 8-10 are plan views of the various displays during the correction phases illustrated in Figures 5-7.
• the timepiece shown in Figure 1 comprises a conventional movement 1 on which a plate 2 of the universal time display mechanism is attached and held by screws 3.
• the motion 'watch 1 has, in the usual manner, a timer cog comprising a pavement 4 and a timer wheel 5.
• the rest of the watch movement itself is entirely conventional and need not be described, since it is not part of the invention and is not not necessary for him to understand.
• the connection between the pinion 5a of the timer wheel 5 and the barrel wheel 6 carrying the hour hand 7 (Figure 2) is formed by a wheel 8 ( Figure 1) meshing with the pinion 5a of the timer wheel 5a , on which a disc 9 is fixed by screws 10.
• This disc 9 carries a pawl 11 pressed by a spring 12 in the star toothing of twelve teeth of a pinion 13 fixed under the barrel wheel 6 ( Figure 3). Thanks to this connection between the timer train 4, 5 and the barrel wheel 6, the latter can be dissociated from this train when changing the time zone and return to the angular position it occupied at the time of the correction, offset a multiple of 30 ° after the time zone change, when it is otherwise normally driven by the clockwork 4, 5, 5a.
• the barrel wheel 6 is engaged with a wheel 14 carrying a drive finger 14a intended to come into engagement with each revolution of the wheel 14, that is to say every twelve hours , with a star pinion 15 (FIG. 7) carrying a disk 16 on which are alternately indicated AM / PM (according to the English abbreviation meaning that these are hours before the passage of the sun to the meridian, respectively after this passage) .
• AM / PM according to the English abbreviation meaning that these are hours before the passage of the sun to the meridian, respectively after this passage
• These indications appear in a window 17 on the dial 18 ( Figures 2, 8-10) and change every twelve hours.
• time indications or derivatives of the time described so far are therefore kinematically linked to the usual timer train 4, 5, 5a of the watch. They can be modified if necessary by the conventional time-setting mechanism (not described or shown here), in a completely usual manner.
• the timepiece described also has two additional displays, both independent of the timing train 4, 5, 5a, but which, when correcting the time zone, must be kinematically integral with the hour hand 7 and the AM disc / PM 16. It is a ring 19 provided with an internal toothing 19a on which is fixed a ring 20 bearing the names of different cities representative of the twenty-four time zones, arranged in two concentric crowns.
• the diametrically opposite cities of the external and internal crowns appear respectively in two apertures 21, 22 arranged opposite twelve o'clock, respectively at six o'clock on the dial 18 (FIG. 2).
• the outer crown cities located 180 ° from an inner crown city are in two time zones 180 ° apart, so that the hours indicated by the hour hand 7 correspond to the hours before the sun goes through. meridian for one of the two cities and at the hours after the passage to the meridian for the other of these cities. Mention should also be made of the presence of a drive pin 19b which projects from the surface of the ring 19 and the function of which will be explained later.
• an indicator consisting of a disc carrying arrows 23a is pivotally mounted on an axis 24.
• the underside of this disc is integral with a pinion with star teeth 25 positioned by a jumper 26.
• the pinion 15 with star teeth fixed to the disc 16 is positioned by a jumper 27 (FIG. 7).
• the ring 19 is guided on the plate 2 by rollers 29 engaged with its outer edge.
• the internal toothing 19a of this ring 19 is engaged with a pinion 28 (FIG. 4) and this toothing 19a is positioned by a jumper 30 urged by a spring 31.
• the pinion 28 is integral and concentric with a pinion 32 in taken with a pinion 33, integral and concentric with a correction star 34 (FIGS. 3-7) positioned by a jumper 35.
• This correction star 34 is intended to come into engagement with the barrel wheel 6.
• FIG. 3 when 'It is positioned by the jumper 35, its teeth are outside the path of the teeth of the barrel wheel 6, so that it can rotate freely.
• the correction star 34 is engaged with a correction lever 36 which is engaged, on the one hand with a return spring 37 and, on the other hand , with an actuating lever 38 controlled by a pusher (not shown).
• the correction lever 36 occupies the position illustrated in FIG. 5, position in which its drive finger 36a (FIGS. 3 and 5) is engaged in the teeth of the correction star 34.
• the hour hands 7 and minute hands m rotate normally, making one revolution in twelve hours and sixty minutes respectively.
• the wheel 14 and its drive finger also make a turn, so that the star pinion 15 carrying the AM / PM disc is stepped.
• the indication AM or PM which appeared in the window 17 of the dial 18 changes, since these indications are alternated on the disc 16. Since two cities located in two time zones located 180 ° from each other are visible in the counters 21 and 22, the arrows 23a appearing through a counter 39 (FIGS. 2, 8-10) indicate to which of the cities displayed in the counters 21 or 22 relates the indication AM or PM appearing in the counter 17.
• FIG. 5 shows the mechanism at rest, all the pinions with star teeth, 15, 25, 34 and the teeth 19a being positioned by the respective jumpers, 26, 27, 30 and 35.
• the indications then appear in the windows 17, 21, 22 and 39 being those illustrated in FIG. 8.
• the correction lever 36 is moved from its rest position, illustrated in FIG. 5, to a second limit position illustrated by Figure 6.
• FIG. 7 illustrates the mechanism during this movement and Figure 9 shows the corresponding positions of the different displays.
• the correction star 34 rotating 60 ° in the direction of the arrow F drives the barrel wheel 6 by 30 ° in the direction of the arrow Fi.
• the wheel 14 which is in a ratio of 1/1 with the barrel wheel 6 and its drive finger 14a also rotates 30 ° in the direction of the arrow F 2 . If this correction is made near the passage of the sun to the meridian, the drive finger 14a will move the disk 16 AM / PM by one step of the star pinion 15 in the direction of the arrow F 3 .
• the barrel wheel 6 can move relative to the clockwork 4, 5, 5a ( Figure 1), without moving the minute hand m. Simultaneously with the time correction, the pinion 33 secured to the correction star 34 drives the pinion 32.
• the gear ratio is chosen so that the pinion 33 moves 60 ° in the direction of the arrow F, the pinion 32 moves 90 ° in the direction of the arrow F 4 , so that the pinion 28 drives the toothed ring 19 by 30 ° in the direction of the arrow F 5 .
• the change corresponds to a change of one hour, so that only the hour hand re 7 is moved 30 °. If the hour hand is between eleven and twelve o'clock, the 16 AM / PM disc will also be moved, and simultaneously, the toothed ring 19 and the city ring 20 which is attached to it will move 30 ° making appear the indications of the cities of two other time zones 180 ° apart from each other, in the counters 21, 22.

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• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Electromechanical Clocks (AREA)
• Electric Clocks (AREA)
• Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Priority Applications (1)

Applications Claiming Priority (4)

Publications (2)

Family

ID=8174838

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Family Applications Before (1)

Country Status (7)

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Family Cites Families (5)

• 2000
  • 2000-07-31 EP EP00810690A patent/EP1178373A1/de not_active Withdrawn
• 2001
  • 2001-07-26 DE DE60136932T patent/DE60136932D1/de not_active Expired - Lifetime
  • 2001-07-26 WO PCT/IB2001/001338 patent/WO2002010864A1/fr active Application Filing
  • 2001-07-26 JP JP2002515529A patent/JP2004505259A/ja active Pending
  • 2001-07-26 AT AT01951851T patent/ATE417304T1/de not_active IP Right Cessation
  • 2001-07-26 AU AU2001272698A patent/AU2001272698A1/en not_active Abandoned
  • 2001-07-26 EP EP01951851A patent/EP1305675B1/de not_active Expired - Lifetime
• 2003
  • 2003-01-24 US US10/350,595 patent/US6597635B2/en not_active Expired - Fee Related

Non-Patent Citations (1)

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