Timepiece
A technology of clocks and display components, applied in the field of clocks and watches, can solve the problems of not being able to know the best date for maintenance accurately, and it is difficult to know the driving time of the clock, etc., and achieve the effect of maintaining performance for a long time
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Embodiment approach 1
[0054] FIG. 1 is a plan view showing the appearance of a timepiece 10 according to Embodiment 1 viewed from the back cover side. In FIG. 1 , the timepiece 10 of the present embodiment is constituted by a case and a movement 20 accommodated inside the case. not shown) constitutes.
[0055] In this embodiment, a mechanical chronograph wristwatch is exemplified, and has, as an external operation part: a crown 18 at the three o'clock direction of the clock; The operating twist. A crystal 13 as a transparent member is formed at the center of the back cover 12, through which most of the movement 20 can be observed.
[0056]In the eight o'clock direction when viewed from above, the month unit display gear 41 and the year unit display gear 51 are provided below the rotating pendulum bridge 26 as the display panel of the cumulative driving time display member, and the month unit display gear 41 and the year unit display The gear 51 is arranged so that the month unit display gear 41 ...
Embodiment approach 2
[0087]Next, a timepiece 10 according to Embodiment 2 of the present invention will be described with reference to the drawings. Compared with the above-mentioned Embodiment 1 which uses the month-unit display gear 41 and the year-unit display gear 51 as the display members for displaying the accumulated driving time, Embodiment 2 has the feature of using hands to display the accumulated driving time. Therefore, the description of common parts with Embodiment 1 will be omitted, and the common parts will be described with the same reference numerals.
[0088] FIG. 7 is a partial cross-sectional view showing the cumulative driving time display mechanism 80 according to the second embodiment. In FIG. 7 , the top shaft of the pinion 43 of the fourth intermediate accumulator wheel 40 extends through the fourth clamping plate 25 , and the month display pointer 44 is axially fixed on the top shaft. In addition, the top axis of the accumulation wheel shaft 53 of the accumulation wheel...
Embodiment approach 3
[0096] In the timepiece 10 of Embodiment 3 shown in FIGS. 9 and 10 , a power storage train 110 that adjusts the amount of winding and unwinding of the mainspring is provided.
[0097] The power storage wheel train 110 includes: a power storage pin wheel 112 to which is fixed a power storage pin 111 for displaying the remaining amount of duration; an irregularly shaped intermediate wheel 113 which meshes with the power storage pin wheel 112; a first sun gear 114 , which meshes with the intermediate gear 113; the planetary gear 115, which has a first planetary gear 115A meshing with the sun gear 114A of the first sun gear 114 and a second planetary gear 115B integrated with the first planetary gear 115A; the sun gear 116, which meshes with the second planetary gear 115B of the planetary gear 115; and the planetary intermediate gear 117, on which the planetary gear 115 is mounted.
[0098] The second sun gear 116 is connected to the large steel wheel 100 through the second transf...
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