Mechanical clockwork

1. Pointer module driven by a mechanical driving gear, with an additional driving gear ( 8 ) to drive the pointer module ( 5 ) in parallel or in series with the mechanical driving gear ( 3 ) to set the pointers of a mechanical clockwork, the pointer module being installable in an existing mechanical clockwork as an add-on or plug-in in order to provide the mechanical clockwork with the precision and automatic adjustment of a quartz clock or of an atomic clock, for which use is made either of an external signal of an atomic clock or of an internal signal of a built-in quartz clock with a program of the correct time, and because the pointer module measures the position of the pointers continuously, the pointer module will set the pointers on the programmed or desired hour, and wherein between the pointer module and one outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ) of the mechanical clockwork in which it is placed, a differential ( 6 ) is present that is driven by the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ) and which is provided with an outgoing spindle ( 7 ) for the drive of the pointer module ( 5 ), whereby the differential ( 6 ) is also permanently coupled to the additional drive ( 8 ) of which a motor ( 9 ) is fastened in the housing ( 2 ) of the mechanical clockwork ( 1 ) for controlling the outgoing spindle ( 7 ) of the differential ( 6 ).

2. Pointer module according to claim 1 , wherein the pointer module provides the adjustment function of the crown of the mechanical clockwork, so that no external mechanical operation is needed to set the mechanical clockwork.

3. Pointer module according to claim 2 , wherein the pointer module is placed in a clockwork ( 1 ) that is provided with a receiver ( 25 ) for receiving external wireless or other signals.

4. Pointer module according to claim 1 , wherein the pointer module automatically adapts to the transition from summertime to wintertime or adjusts the time when travelling from one time zone to another or adjusts the date at the end of a month that does not have 31 days, and automatically resets the time shown by the mechanical clockwork after the clockwork has stopped for lack of winding reserve when it is again set in operation by rewinding it.

5. Pointer module according to claim 1 , wherein the additional driving gear ( 8 ) is provided with an internal clock ( 23 ) whose signal is coupled to a controller ( 22 ).

6. Pointer module according to claim 1 , wherein the pointer module is placed in a clockwork ( 1 ) that is provided with a receiver ( 25 ) for receiving external wireless or other signals.

7. Pointer module according to claim 6 , wherein that the external wireless signals relate to the time data from an external clock ( 23 ′).

8. Pointer module according to claim 7 , wherein the clockwork ( 1 ) in which it is placed is provided with an electrical or electronic controller ( 22 ) with an algorithm that continuously or periodically records and compares the indicated time with the time data received from an internal clock ( 23 ) and/or an external clock ( 23 ′) and, if there is a time difference, adjusts the indicated time by driving the additional driving gear ( 8 ) in the one or the other direction to make the indicated time correspond to the received time data.

9. Pointer module according to claim 6 , wherein the clockwork in which it is placed is provided with a receiver ( 25 ) in the form of a transparent touchscreen ( 37 ) to adjust the indicated time by touch movements via the controller ( 22 ) of the additional driving gear ( 8 ).

10. Pointer module according to claim 1 , wherein the differential ( 6 ) is formed by two coaxial planetary gear transmissions, respectively a first gear transmission ( 13 a ) and a second gear transmission ( 13 b ), each composed of a sun gear ( 14 ), a coaxial crown wheel ( 15 ) and one or more satellites ( 16 ) meshing there between that are rotatably mounted on bearings on a satellite support ( 17 ), whereby the crown wheel ( 15 ) is common to both planetary gear transmissions ( 13 a , 13 b ).

11. Pointer module according to claim 10 , wherein the first gear transmission ( 13 a ) is formed by both a satellite support ( 17 a ) that is permanently connected to the housing ( 2 ) of the clockwork ( 1 ), whereby the satellite support ( 17 a ) is also a support of the common crown wheel ( 15 ) that is freely rotatably mounted on bearings, as well as by a sun gear ( 14 a ) that is drivingly coupled to the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ).

12. Pointer module according to claim 10 , wherein the second gear transmission ( 13 b ) is formed by a satellite support ( 17 b ) that is coaxially rotatably affixed in the housing ( 2 ) with respect to the outgoing spindle ( 4 ), whereby the sun gear ( 11 b ) is drivingly coupled to the outgoing spindle ( 7 ) of the differential ( 6 ) for driving the pointers or the pointer module ( 5 ) and whereby the satellite support ( 17 b ) can be driven in rotation by the aforementioned additional driving gear ( 8 ).

13. Clockwork according to claim 1 , wherein the mechanical driving gear ( 3 ) has a number of outgoing spindles ( 4 ) for driving the pointers or the pointer module ( 5 ) and that a differential ( 6 ) and an additional drive ( 8 ) are provided for at least each of a number of these outgoing spindles ( 4 ).

14. Pointer module according to claim 1 , wherein the pointer module is placed in a clockwork ( 1 ) with a mechanical driving gear ( 3 ) with only one single outgoing spindle ( 4 ) and a pointer ( 38 ) on a rotating spindle or a pointer module ( 5 ) with a rotating pointer plate ( 28 ), whereby the pointer ( 38 ) or pointer plate ( 28 ) is driven by the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ), whereby the additional driving gear ( 8 ) is provided between the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ) and the rotating pointer ( 38 ) or pointer plate ( 28 ).

15. Pointer module driven by a mechanical driving gear with an additional driving gear ( 8 ) to drive the pointer module ( 5 ) in parallel or in series with the mechanical driving gear ( 3 ) to set the pointers of a clockwork, the pointer module being installable in a mechanical clockwork as an add-on or plug-in in order to provide the mechanical clockwork with the precision and automatic adjustment of a quartz clock or of an atomic clock, for which use is made either of an external signal of an atomic clock or of an internal signal of a built-in quartz clock with a program of the correct time, and because the pointer module measures the position of the pointers continuously, the pointer module will set the pointers on the programmed or desired hour, wherein the pointer module is placed in a clockwork ( 1 ) with the mechanical driving gear ( 3 ) with only one single outgoing spindle ( 4 ) and a pointer ( 38 ) on a rotating spindle or the pointer module ( 5 ) with a rotating pointer plate ( 28 ), whereby the pointer ( 38 ) or pointer plate ( 28 ) is driven by the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ), whereby the additional driving gear ( 8 ) is provided between the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ) and the rotating pointer ( 38 ) or pointer plate ( 28 ) and wherein the additional driving gear ( 8 ) is provided with an electric motor ( 9 ), whereby the electric motor ( 9 ) is fastened to the rotating pointer ( 38 ) or pointer plate ( 28 ) and is coupled to the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ) in a torque-transferring way to be able to make the rotating pointer ( 38 ) or pointer plate ( 28 ) rotate around the outgoing spindle ( 4 ).

16. Pointer module according to claim 15 , wherein the electric motor ( 9 ) of the additional driving gear ( 8 ) is coupled to the rotating pointer ( 38 ) or pointer plate ( 28 ) in a torque transferring way by means of a worm ( 35 ) on the shaft of the electric motor ( 9 ) and a worm wheel ( 36 ) meshing therewith fastened to the outgoing spindle ( 3 ) of the mechanical driving gear ( 3 ).

17. Pointer module according to claim 15 , wherein the electric motor ( 9 ) on the rotating pointer ( 38 ) or pointer plate ( 28 ) is connected to an electric supply that is joint with the housing ( 2 ) via slip rings on the outgoing spindle ( 4 ) of the mechanical driving gear ( 3 ).

18. Pointer module according to claim 16 , wherein, if the additional driving gear ( 8 ) is not driven, then the minute disk ( 28 ) turns jointly and synchronously with the outgoing spindle ( 4 ) of the mechanical driving gear so that in this case the situation is the same as when the minute disk ( 28 ) is driven directly by the mechanical driving gear ( 3 ).

19. Pointer module according to claim 16 , wherein, when the indicated time is ahead or behind the actual time, then the clockwork ( 1 ) can be adjusted by driving the worm ( 35 ) with the motor ( 9 ) in the one or the other direction, such that the minute disk ( 28 ) can be turned with respect to the outgoing spindle ( 4 ) to correct the indicated time, whereby in this case the mechanical driving gear ( 3 ) and the additional driving gear ( 8 ) engage in series.