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    Key switch assembly
    1.
    发明授权
    Key switch assembly 失效
    钥匙开关总成

    公开(公告)号：US4845319A

    公开(公告)日：1989-07-04

    申请号：US131100

    申请日：1987-12-10

    申请人： Richard R. Watkins ,  Dale E. Brumit ,  Thomas R. Coey

    发明人： Richard R. Watkins ,  Dale E. Brumit ,  Thomas R. Coey

    IPC分类号： H01H13/70

    CPC分类号： H01H13/70 ,  H01H2215/036 ,  H01H2217/01 ,  H01H2219/014 ,  H01H2219/04 ,  H01H2221/056 ,  H01H2223/054 ,  H01H2233/034 ,  H01H2233/062

    摘要： A key switch assembly for direct mounting on a PCB or similar substrate. The key switch has a body with depending mounting pin having retainers thereon to secure the key switch at apertures in the substrate. The key switch body has a hinged key and includes a snappable dome moveable from a non-actuated position to an actuated position in direct contact with conductive elements in the substrate by manual depression of a key.

    摘要翻译： 用于直接安装在PCB或类似基板上的钥匙开关组件。 钥匙开关具有主体，其具有在其上具有保持器的悬挂安装销，以将钥匙开关固定在基板中的孔处。 钥匙开关主体具有铰接键并且包括可从非致动位置移动到致动位置的可触摸顶篷，其通过手动按压键直接接触基板中的导电元件。

    Detachably mounted keyboard pushbutton actuators and housing assembly
    3.
    发明授权
    Detachably mounted keyboard pushbutton actuators and housing assembly 失效
    可拆卸安装的键盘按钮致动器和外壳组件

    公开(公告)号：US3993884A

    公开(公告)日：1976-11-23

    申请号：US289449

    申请日：1972-09-15

    申请人： Nicholas Kondur ,  Peter Scheuzger ,  Marshall S. Joseph

    发明人： Nicholas Kondur ,  Peter Scheuzger ,  Marshall S. Joseph

    IPC分类号： H01H13/705 ,  H01H3/12 ,  H01H9/00 ,  H01H13/00

    CPC分类号： H01H13/705 ,  H01H2217/004 ,  H01H2221/05 ,  H01H2221/062 ,  H01H2221/064 ,  H01H2229/036 ,  H01H2233/034 ,  H01H2233/062 ,  H01H2233/074 ,  H01H2233/096 ,  H01H2235/004 ,  H01H2235/006 ,  H01H2235/018

    摘要： Universal keyboard with individually removable switch modules each adapted particularly for use with a printed circuit switch, although also adapted to close or actuate other types of switch contacts, which has maximum reliability at minimum cost, satisfies the "best feel" tactile responses desired in a keyboard, while fully protecting the module components and the electrical conducting members against any excessive finger depression impact forces, assures uniformity of forces being applied to switch contacts regardless of variations in forces which may be applied to the key buttons or stems, reduces electric contact bounce, and maximizes the time the switch contacts are held closed during a key stroke.

    摘要翻译： 通用键盘具有单独可移动的开关模块，其各自特别适用于印刷电路开关，尽管也适于闭合或致动具有最小可靠性的其他类型的开关触点，其具有最小的成本，满足了所需的“最佳感觉”触觉响应 键盘，同时完全保护模块部件和导电部件免受任何过度的手指按压冲击力的影响，确保施加到开关触点的力的均匀性，而不管施加到键按钮或杆的力的变化如何，减少电接触反弹 并且在关键行程期间使开关触点保持关闭的时间最大化。