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Timepiece

A clock and dial technology, applied in the field of clocks and watches, can solve problems such as difficult development

Active Publication Date: 2015-03-11
ROLEX SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The agency is difficult to develop

Method used

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Examples

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Embodiment Construction

[0031] figure 1 The month and date mechanism 1 of the clock is shown, which is rotated by the hour wheel 14. The mechanism includes a movable member 10 for the date of the month, which preferably takes the form of a ring having a first ring-tooth transmission portion 11 including 31 teeth. The gear transmission part is engaged with a known type of instant jump stepping drive member 13 and is indexed by only one jumper 17. The month-date movable member 10 includes a second toothed transmission portion formed by a toothed sector 12, which is designed to mesh with the intermediate movable member 20 meshed with the month movable member 30. The movable member 20 is in the form of a ring transmission portion 31 of internal teeth that engages.

[0032] The movable part of the month is located on the indicator dial 40 ( figure 2 ) Supports the feature area 32 on the surface below. The dial has 12 windows 41 arranged at equal angular distances. The characteristic area 32 is preferably...

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Abstract

The timepiece has a month mobile (30) arranged below an indicator dial and connected to a date mobile (10) through step-by-step driving units e.g. toothed segment (12) such as inner teeth, and intermediate mobile (20), that are provided such that the month mobile rotates through 30 degree of each month. The month mobile supports a distinctive area (32) whose path passes through angularly equidistant windows of the indicator dial, where angular range of the area is between a minimum value corresponding to the angular range of one of the windows and maximum of 30 degrees.

Description

Technical field [0001] The present invention relates to a timepiece, including an indicator dial, a days-of-the-month mechanism, which includes a mobile and a stepping drive member for the mobile, the mobile for the month, and the It is located below the indicator dial and is connected to the month-date movable member through a stepping drive member, and is formed such that the month movable member rotates through an angle of 30° every month. Background technique [0002] If the calendar is annual or perpetual, the presence of the month indicator is necessary for the adjustment of the watch. However, due to the complexity of most annual or perpetual calendars on the market, there is a risk of experiencing asynchronous jumps between different indicating devices, which may lead to uncertainty in the reading date. [0003] As explained in document CH685585, the introduction of an additional mechanism that makes it possible to display the month indication usually requires the installa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G04B19/253G04B19/247
CPCG04B19/24G04B19/25353G04B19/046
Inventor 多米尼克·杜布农阿德里安·法隆克里斯蒂安·弗勒里
Owner ROLEX SA
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