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    • 2. 发明授权
    • Diaphragm pump
    • 隔膜泵
    • US4867653A
    • 1989-09-19
    • US146472
    • 1988-01-20
    • John B. MillsVicky J. PetersonRoger W. YoungC. Jeremy CrouchRoman A. SchulzIrving F. SnyderLarry J. DeHemmer
    • John B. MillsVicky J. PetersonRoger W. YoungC. Jeremy CrouchRoman A. SchulzIrving F. SnyderLarry J. DeHemmer
    • F01L25/06F04B43/073
    • F01L25/063F04B43/0736
    • A double-diaphragm pump is designed to be molded almost entirely out of plastic and is provided with totally externally-accessible and serviceable check valves which do not require any significant disassembly of the pump itself. The pump is also fitted with a diaphragm which is formed from a uniform thickness of material and which have convolutions which are equally disposed on either side of the angle of elevation of the unstressed diaphragm. The pump is designed for mounting on top of a barrel or drum and has a set of radiused feet so as to fit snugly against the rim in an inlet pipe which fits into a bung plug having an eccentric opening such that the opening grips the inlet pipe and the plug may be rotated so as to snugly position the pump against the rim of the drum. The air valve to the pump is provided with U-cup seals in the housing. The spool of the pump moves in such a fashion so that the transitional area between the open and closed positions contacts the open end of the U-cup rather than the closed end as is traditional.
    • 双隔膜泵设计成几乎完全由塑料模制,并配有完全可外接的和可维修的止回阀,不需要对泵本身进行任何明显的拆卸。 泵还装有隔膜,其由均匀厚度的材料形成,并且具有均匀地设置在不受应力隔膜的仰角的任一侧上的卷积。 泵设计用于安装在桶或桶的顶部上,并且具有一组圆弧形的脚,以便在入口管中紧密地贴靠在轮辋上,入口管适合于具有偏心开口的栓塞,使得开口夹住入口管 并且塞子可以旋转以便将泵紧贴在滚筒的边缘上。 泵的空气阀在壳体中设有U形杯密封。 泵的阀芯以这样的方式移动,使得打开和关闭位置之间的过渡区域接触U形杯的开口端而不是传统的封闭端。
    • 4. 发明授权
    • Fluorescent lamp holder
    • 荧光灯座
    • US5688139A
    • 1997-11-18
    • US551897
    • 1995-10-23
    • James M. GustJohn W. BurwellRoger W. Young
    • James M. GustJohn W. BurwellRoger W. Young
    • H01R33/08H01R33/02
    • H01R33/0836
    • The invention is directed to a lamp holder for carrying a fluorescent lamp, including two contact pins, with each contact pin having a diameter. A socket includes an inner hub, two slots and a conductor. The two slots are disposed on opposite sides of the inner hub. A spring biases the contact pins out of the slots. The conductor is associated with each slot, and is configured to engage each contact pin of the fluorescent lamp. The conductor and the inner hub define a clearance distance therebetween in a direction transverse to a longitudinal direction of each slot, with the clearance distance at all times being greater than the diameter of the contact pins. The clearance distance allows the contact pins to be moved away from the conductor by the spring, to thereby prevent electrical arcing when one of the contact pins is not fully engaged with the conductor.
    • 本发明涉及一种用于承载荧光灯的灯座,包括两个接触针,每个接触销具有直径。 插座包括内轮毂,两个槽和导体。 两个槽设置在内轮毂的相对侧上。 弹簧将接触针偏离插槽。 导体与每个槽相关联,并且被配置为接合荧光灯的每个接触针。 导体和内毂在横向于每个槽的纵向方向上限定它们之间的间隙距离,其中间隙距离始终大于接触销的直径。 间隙距离允许接触销通过弹簧移动离开导体,从而当其中一个接触销未完全与导体接合时防止电弧。