发明名称 TIMEPIECE CALENDAR MECHANISM, MOVEMENT PROVIDED WITH THE MECHANISM, AND CALENDAR TIMEPIECE
摘要 PROBLEM TO BE SOLVED: To provide a timepiece calender mechanism, a movement provided with the calender mechanism, and a calendar timepiece provided with the mechanism capable of coaxially stably performing a fan-shaped display.SOLUTION: A timepiece calendar mechanism 1 of a movement 2 of a calendar timepiece 3 includes: a first calendar information display needle 87A for displaying a first calendar information per day in a first fan-shaped display area; a second calendar information display needle 87B for displaying a second calendar information per day in a second fan-shaped display area coaxial with the first fan-shaped display area; a first calendar information display shaft 81a rotatable around a first fan-shaped center shaft line B to which a tip end of the first calendar information display needle is attached; a second calendar information display shaft 81B whose tip end is attached with the second calendar information display needle and coaxial with the first calendar information display needle, and rotatable around the center shaft line B; and a center pipe 70 positioned between the first and the second calendar information display shafts 81A, 81B and allowed to be left at rest against a bottom board.
申请公布号 JP2014115197(A) 申请公布日期 2014.06.26
申请号 JP20120269757 申请日期 2012.12.10
申请人 SEIKO INSTRUMENTS INC 发明人 FUJIWARA TOSHIYUKI
分类号 G04B19/243 主分类号 G04B19/243
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