Annual calendar mechanism for timepiece

专利名称：Annual calendar mechanism for timepiece发明人：Christian Ruefenacht申请号：US11261919申请日：20051031

公开号：US20060120219A1公开日：20060608

专利附图：

摘要：The annual calendar mechanism comprises a drive wheel set () fitted with a firstfinger () driving a date disc () through one step once a day and a second finger () driving aplate () secured to an annual wheel () arranged coaxially to the date ring at the end of themonths of less than thirty one days. An intermediate wheel () connects the annual wheel

() to the date ring () at the end of each month. The annual wheel () comprises twice asmany teeth () as there are months in a year and the intermediate wheel () comprises afirst wheel () meshed with the annual wheel () and a second wheel () fixed to the firstwheel, said second wheel being meshed, at the end of each month, with a snug ()arranged inside the date ring ().

申请人：Christian Ruefenacht

地址：Bienne CH

国籍：CH

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