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    • 1. 发明授权
    • Calendar day and date watch
    • 日历日和日期表
    • US3695029A
    • 1972-10-03
    • US3695029D
    • 1970-06-01
    • GRUEN IND INC
    • TRIPET JEAN
    • G04B19/25G04B19/253G04B19/24
    • G04B19/25G04B19/25366
    • In a calendar watch, a day and date drive and dial indicator stepping mechanism including a pair of rotatably driven cams, the cams being geared to revolve at relatively different rates, one of the cams rotating at the rate of one revolution per day and operable to advance a day-indicator dial one step each day, and the second of the cams rotating at a rate of n revolutions per day, n being an integer greater than one, the second cam being rotatable about a shaft slidably engaged in a guide groove, means being provided to shift the second cam for periodic engagement with and to advance a date-indicating calendar ring one step for each n revolutions of the cam, whereby very rapid date and day setting and correction are rendered feasible.
    • 在日历表中,包括一对可旋转驱动的凸轮的日历和日期驱动和拨号指示器步进机构,凸轮以相对不同的速率进行齿轮转动,其中一个凸轮以每天一转的速度旋转,并且可操作 每天提前一天指示盘一圈,第二个凸轮以n转每天的速度旋转,n是大于1的整数,第二凸轮可绕可滑动地接合在引导槽中的轴旋转, 提供了用于使第二凸轮移动以与凸轮的每n圈周期性地接合并使日期指示日历环一步前进的装置,由此非常快速的日期和日期设置和校正变得可行。