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    • 5. 发明授权
    • Push-button switch
    • 按钮开关
    • US5617946A
    • 1997-04-08
    • US399948
    • 1995-03-06
    • Vincent P. AcamporaWilliam J. Vumback
    • Vincent P. AcamporaWilliam J. Vumback
    • H01H1/34H01H11/00H01H5/20
    • H01H11/0006H01H1/34
    • A push-button switch includes a base, a cover and a button subassembly. The button subassembly attaches to the underside of and extends through an opening of the cover. The cover includes tabs that extend from each side with a locking element further extending from an inner surface of each tab that engages slots in the base to hold the base and cover together. The switch can include different length fixed contacts and rivets in place of contact pads. The contacts can include the fixed contacts extending in parallel horizontal planes and the same or spaced transverse planes. The switch can also employ a pivot arm and an adjustable member to control the gap between the fixed contacts and moveable contacts.
    • 按钮开关包括底座,盖子和按钮子组件。 按钮子组件连接到盖的开口的下侧并延伸穿过盖的开口。 盖包括从每侧延伸的突片,其中还具有从每个接片的内表面延伸的锁定元件,所述锁定元件接合基座中的槽以将基座和盖保持在一起。 开关可以包括不同长度的固定触点和铆钉来代替接触垫。 触头可以包括在平行水平面和相同或间隔的横向平面上延伸的固定触点。 开关还可以使用枢转臂和可调节构件来控制固定触点和可移动触点之间的间隙。
    • 6. 发明授权
    • Pushbutton switch with adjustable pretravel
    • 按钮开关,可调节前行
    • US5359163A
    • 1994-10-25
    • US53278
    • 1993-04-28
    • Tony O. Woodard
    • Tony O. Woodard
    • H01H13/14H01H3/32H01H13/20H01H13/52H01H1/34
    • H01H13/20H01H3/32H01H2003/323
    • A contact carrying portion of a plunger assembly is adjusted linearly in the direction of switch operating movement by a rotatable cam in the plunger assembly to change an initial gap dimension between stationary and movable contacts. The cam is rotatable about an axis parallel to the direction of switch operating movement and comprises a plurality of angularly spaced diametrically oriented grooves, each of a different depth, in an end surface cooperating with a diametrically disposed rib on the contact carrying portion to vary the axial length of the plunger assembly and provide a detent for the cam adjustment. A housing is provided with a window through a lateral wall for accessing slots in the cam to rotate the cam. The pushbutton switch is resiliently disposed in a supplementary housing to accommodate significant overtravel of a switch operating element.
    • 柱塞组件的接触承载部分通过柱塞组件中的可旋转凸轮在开关操作方向上线性地调节,以改变固定触点和可动触点之间的初始间隙尺寸。 所述凸轮可绕平行于开关操作运动方向的轴线旋转,并且包括多个角度间隔开的径向定向的槽,其各自的深度不同,在与所述接触承载部分上沿直径布置的肋配合的端面中, 柱塞组件的轴向长度并提供用于凸轮调节的制动器。 壳体通过侧壁设置有窗口,用于访问凸轮中的狭槽以旋转凸轮。 按钮开关弹性地设置在辅助壳体中以适应开关操作元件的显着超程。
    • 7. 发明授权
    • Leaf switch
    • 叶开关
    • US5028751A
    • 1991-07-02
    • US512518
    • 1990-04-19
    • Muneyoshi Miyata
    • Muneyoshi Miyata
    • H01H1/26H01H1/34
    • H01H1/26H01H1/34H01H2001/145
    • A leaf switch which includes a plurality of contact leaf springs (2a, 2b) embedded in an insulating base (1). The contact leaf springs (2a, 2b) are each held at a setting point (P.sub.1, P.sub.2) while being kept in a stressed state by being forcedly inflected by a bracket (4) of an inverted U-shape pivotally mounted on the insulating base (1). The bracket (4) bends the contact leaf springs (2a, 2b) when it is pivotally moved and is coupled to the insulating base when it is pivotally moved to its end point, thereby defining the setting point for each contact leaf spring.
    • 一种叶片开关,其包括嵌入在绝缘基座(1)中的多个接触片弹簧(2a,2b)。 接触片弹簧(2a,2b)各自被保持在设定点(P1,P2),同时通过被可摆动地安装在绝缘基座上的倒U字形的支架(4)强制变形而保持在应力状态 (1)。 接触板弹簧(2a,2b)枢转时,支架(4)弯曲,并且当其被枢转地移动到其端点时联接到绝缘基座,从而限定每个接触板簧的设定点。
    • 8. 发明授权
    • Environmentally protected switch for dynamoelectric machines
    • 用于电动机的环保开关
    • US4922066A
    • 1990-05-01
    • US322524
    • 1989-03-13
    • William D. CrowRonald D. Williams
    • William D. CrowRonald D. Williams
    • H01H1/34H01H1/58H01H1/64H01H35/10
    • H01H1/64H01H1/5805H01H35/10H01H1/34
    • A switch assembly for use with a centrifugal actuator in the start winding circuit of a dynamoelectric machine (1). The switch has a pair of electrical contacts (29, 33) contained in a pliable, bellows-like enclosure (37) for protection from foreign matter. The assembly includes a terminal board (19) having an electrically conductive post (28) mounted thereon and comprising one side of the switch. A second contact, comprising the other side of the switch, is directly above the first and is surrounded by an electrically conductive cap (32). The cap is affixed between the ends of an electrically conductive, cantilevered switch arm (16) which is biased against a vertically rigid, horizontally adjustable stop (45). The stop has one end rigidly mounted to the terminal board and its other end above and in contact with the switch arm where the cap is affixed to the arm. The bias is caused by the switch arm support structure at the fixed end being attached to the terminal board at an angle. Moving the end of the stop contacting the arm toward the support structure, decreases the gap between the switch contacts, while moving the end of the stop towards the free end of the switch arm increases the gap.
    • 一种与电动机(1)的起动绕组电路中的离心致动器一起使用的开关组件。 开关具有容纳在柔软的波纹管状外壳(37)中的一对电触点(29,33),用于防止异物。 组件包括端子板(19),其具有安装在其上并包括开关的一侧的导电柱(28)。 包括开关的另一侧的第二触点直接位于第一触点的上方并被导电盖(32)围绕。 盖子被固定在导电的悬臂式开关臂(16)的端部之间,该开关臂被偏置在垂直刚性的水平可调节的止挡件(45)上。 止动件具有刚性地安装到端子板的一端,并且其另一端在开关臂上方并与开关臂接触,其中盖被固定到臂上。 偏置是由固定端的开关臂支撑结构以一定角度附接到端子板引起的。 将止动件的端部移动到支撑结构,减小开关触点之间的间隙,同时将止动件的端部朝向开关臂的自由端移动,增加间隙。