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1. 发明授权

US07009122B2 Push-to-start appliance program timer and method utilizing snap-action switch 失效
标题翻译：一键启动设备程序定时器和方法利用快动开关
公开(公告)号：US07009122B2
公开(公告)日：2006-03-07
申请号：US10265915
申请日：2002-10-07
申请人： James E. Pearson , Jack D. Rodesiler
发明人： James E. Pearson , Jack D. Rodesiler
IPC分类号： H01H43/00
CPC分类号： H01H43/106 , H01H25/06 , Y10T307/872
摘要： A program timer for use with commercial or consumer appliances provides a single user knob interface that allows the desired selection of a programmed cycle and a push-to-start function. To preclude inadvertent program operation and enhance the life of the program timer, a snap-action switch is utilized to provide the push-to-start functionality. As such, actuation of the start switch provides a positional hysteresis that prevents teasing of the switch. The rapid snap-action opening and closing of the switch contacts precludes or minimizes the arc sustained between the contacts so as to greatly increase the life of the start switch. In one embodiment an actuation wheel larger in diameter than the program cam stack of the timer is utilized to pivot a lever to actuate the snap-action switch.
摘要翻译：用于商业或消费电器的程序定时器提供单个用户旋钮接口，其允许期望的编程周期选择和按钮启动功能。为了排除无意的程序操作并增加程序定时器的使用寿命，使用快动切换开关来提供即按即启功能。因此，启动开关的启动提供了阻止开关的逗弄的位置滞后。开关触点的快速卡扣动作打开和关闭阻止或最小化触点之间的电弧，从而大大增加起动开关的寿命。在一个实施例中，使用直径大于定时器的程序凸轮堆的致动轮来枢转杠杆以致动快动开关。

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