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1. 发明授权

US06743995B2 Quiet pushbutton switch 失效
标题翻译：安静按钮开关
公开(公告)号：US06743995B2
公开(公告)日：2004-06-01
申请号：US10163947
申请日：2002-06-06
申请人： Sydney L. Groves , Stephen M. Bartok , Deo Del Rosario
发明人： Sydney L. Groves , Stephen M. Bartok , Deo Del Rosario
IPC分类号： H01H1320
CPC分类号： H01H13/585
摘要： A pushbutton switch has a housing with a reciprocating plunger. The plunger is made in two parts with a hollow insert pressed in place to provide a slot inside the plunger with a longitudinally extending portion and a spirally extending portion. A rotatable shaft fits within the hollow insert and has a plurality of teeth at the lower end of the shaft. An electrical contact member with three circumferentially extending fingers is on the shaft over the teeth and with the fingers extending downwardly for contacting three electrical terminals in the housing to which contact may be made by external leads. When the plunger of the switch is depressed, the shaft moves downwardly and rotates without rotating the electrical contact member. When the plunger is released, the shaft also moves upwardly and rotates in the reverse direction whereupon a tooth engages a pawl extending downwardly from the contact member, advancing the contact member in rotation and changing the state of the switch.
摘要翻译：按钮开关具有带往复式柱塞的壳体。柱塞制成两部分，中空插入件就位，以在柱塞内部具有纵向延伸部分和螺旋形延伸部分。可旋转轴装配在中空插入件内并且在轴的下端具有多个齿。具有三个周向延伸的指状物的电接触构件位于齿上的轴上，并且指状物向下延伸以接触壳体中的三个电端子，接触件可由外部引线构成。当开关的柱塞被压下时，轴向下移动并且旋转而不旋转电接触构件。当柱塞被释放时，轴也向上移动并沿相反方向旋转，从而齿接合从接触构件向下延伸的棘爪，使接触构件转动并改变开关的状态。

2. 发明授权

US06621028B1 Quiet pushbutton switch ratchet mechanism 失效
标题翻译：安静按钮开关棘轮机构
公开(公告)号：US06621028B1
公开(公告)日：2003-09-16
申请号：US10282480
申请日：2002-10-29
申请人： Stephen M. Bartok
发明人： Stephen M. Bartok
IPC分类号： H01H1358
CPC分类号： H01H13/585
摘要： A pushbutton has a body including a barrel and a plunger longitudinally movable in the barrel. A plurality of longitudinally extending teeth on the plunger engage a plurality of longitudinally extending teeth on a rotatable ratchet coaxial with the plunger. The ratchet is spring loaded against the plunger. A rotatable electrical contact cup connected to the ratchet makes or breaks contact with a fixed electrical terminal in the body. The plunger teeth each include a driving face which causes rotation of the ratchet. The driving face has an angle from a normal to the longitudinal direction of the plunger wherein the angle is at least the arctangent of the coefficient of friction between the ratchet teeth and the plunger tooth plus the arctangent of the effective coefficient of friction between electrical contacts in the switch, plus a margin of safety greater than the arctangent of the effective coefficient of friction between other parts of the switch. The angle is up to about 30 degrees.
摘要翻译：按钮具有主体，该主体包括在筒中纵向移动的筒和柱塞。在柱塞上的多个纵向延伸的齿接合与柱塞同轴的可旋转棘轮上的多个纵向延伸的齿。棘轮弹簧加载在柱塞上。连接到棘轮的可旋转电接触杯与身体中的固定电端子接触或断开接触。柱塞齿各自包括使棘轮旋转的驱动面。驱动面与柱塞的法向方向成一角度，其中该角度至少是棘齿与柱塞齿之间的摩擦系数的反正切加上电触点之间的有效摩擦系数的反正切，开关，加上安全幅度大于交换机其他部分之间的有效摩擦系数的反正切。角度高达约30度。

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