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    • 1. 发明授权
    • Electric power supply device and equipment using thereof
    • 电力供应装置及其使用的设备
    • US06496339B2
    • 2002-12-17
    • US09862233
    • 2001-05-23
    • Wataru SugawaraToshio ShimadaShigeya KawaminamiMasahiko Niino
    • Wataru SugawaraToshio ShimadaShigeya KawaminamiMasahiko Niino
    • H02H504
    • H01H61/002
    • An electric power supply device 13, combining an overload protector device 3 and a starter device 4 each other, and an equipment using thereof comprises a socket terminal 5 connected to an electric part of the overload protector device 3, and a convex portion 10c opposing to a tip opening portion 5a of the socket terminal 5, which is nearly in conformity with the shape of that tip opening portion and has a little gap therebetween, wherein while keeping superiority in work of assembling external apparatuses onto the terminal pins, prying force caused onto the tip opening portion when the socket terminals of the starter device are fitted onto terminal pins of an external equipment is suppressed, thereby to improve reliability.
    • 将过载保护装置3和起动装置4组合起来的电力供给装置13及其使用的装置包括与过载保护装置3的电气部分连接的插座端子5和与过载保护装置3相对的凸部10c 插座端子5的尖端开口部分5a,其几乎与该顶端开口部分的形状相符并且在它们之间具有小的间隙,其中,同时保持将外部装置组装到端子销上的工作优点, 当启动装置的插座端子装配到外部设备的端子引脚上时,尖端开口部分被抑制,从而提高可靠性。
    • 3. 发明授权
    • Overload protective apparatus utilizing a bimetal
    • 使用双金属片的过载保护装置
    • US5497286A
    • 1996-03-05
    • US135727
    • 1993-10-13
    • Toshio ShimadaWataru Sugawara
    • Toshio ShimadaWataru Sugawara
    • H01H3/00H01H37/00H01H37/54H01H71/12H01H71/16H01H81/02H02H5/04H01H37/14
    • H01H81/02H01H2037/5463H01H3/001H01H37/002H01H37/54H01H71/122H01H71/164
    • An overload protective apparatus has fixed contacts connected to at least one pair of fixed terminals secured on the bottom of a case, a dish-shaped polymetallic element, e.g., a bimetal or trimetal having movable contacts bonded thereon so as to oppose the fixed contacts, and an adjusting bolt supporting a central portion of the polymetallic element for maintaining the polymetallic element at a position separate from the bottom of the case, wherein the polymetallic element and the adjusting bolt are accommodated in the case. The polymetallic element used herein is constructed to make a current density around bonding portions for the movable contacts higher than other regions, such that portions around the movable contacts are more susceptible to rupture when an abnormal current flows through the polymetallic element. The polymetallic element is also constructed to prevent degradation of the spring constant thereof.
    • 过载保护装置具有连接到固定在壳体的底部上的至少一对固定端子的固定触点,诸如具有接合在其上的可动触头以与固定触点相对的盘形多金属元件,例如双金属或三边形, 以及支撑所述多金属元件的中心部分的调节螺栓,用于将所述多金属元件保持在与所述壳体的底部分离的位置,其中所述多金属元件和所述调节螺栓容纳在所述壳体中。 这里使用的多金属元素被构造成使可动触头的接合部周围的电流密度高于其他区域,使得当异常电流流过多金属元件时,可动触头周围的部分更易于破裂。 多金属元件也被构造成防止其弹簧常数的降低。