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    • 3. 发明申请
    • Door hinge
    • 门铰链
    • US20070000087A1
    • 2007-01-04
    • US11174058
    • 2005-06-30
    • Jenn HourChang Chang
    • Jenn HourChang Chang
    • E05F3/20
    • E05F1/063Y10T16/304
    • Provided is a door hinge assembly including hinges each comprising upper and lower connecting units each comprising a plate secured to door or door frame, and a cylinder having a toothed bore; a first rotational unit inserted into the cylinder of the upper connecting unit and comprising a first slope; and a second rotational unit comprising an upper shaft snugly inserted into the first rotational unit, a second slope, and a lower cylinder having a toothed surface inserted into the cylinder of the lower connecting unit. The first slope of each hinge engages the second slope thereof when the hinges are not swung. The upper connecting unit of each hinge swings from a closed position to an open position by pushing. The first slope moves from the highest point of the second slope to the lowest point thereof in response to releasing the pushing force for closing the door.
    • 提供一种门铰链组件,其包括铰链,每个铰链包括上连接单元和下连接单元,每个连接单元包括固定到门或门框架的板和具有齿孔的圆筒; 插入所述上部连接单元的所述圆筒中并包括第一斜面的第一旋转单元; 以及第二旋转单元,包括紧密地插入到第一旋转单元中的上轴,第二斜面和具有插入下连接单元的气缸中的齿形表面的下圆柱体。 当铰链没有摆动时,每个铰链的第一斜面接合其第二斜面。 每个铰链的上连接单元通过推动从关闭位置摆动到打开位置。 响应于释放用于关闭门的推动力,第一斜坡从第二斜坡的最高点移动到其最低点。
    • 5. 发明授权
    • Safety hinge
    • 安全铰链
    • US4710049A
    • 1987-12-01
    • US9517
    • 1987-01-30
    • Chang Chang
    • Chang Chang
    • A47D13/06A47D15/00F16B11/00
    • A47D13/063Y10T16/533Y10T403/17Y10T403/50
    • A padded safety hinge construction for use in infant playyards and the like wherein the fasteners which hold the padding of the hinge in place also function as the pivot pins about which the playyard legs pivot. The inwardly protruding extremities of the hinge mechanism and the connecting fasteners are completely covered with padding so that an infant within the interior of the playyard enclosure is safeguarded from contacting any part of the mechanical structure. Should the infant fall against the hinge assembly it will only contact the smooth, padded covering which fully encapsulates the hinge mechanism.
    • 用于婴儿玩具等的填充安全铰链结构,其中将铰链的衬垫固定在适当位置的紧固件也用作游戏场腿围绕其枢转的枢轴销。 铰链机构和连接紧固件的向内突出的四肢完全被填充物覆盖,从而保护了游戏室外部内部的婴儿与机械结构的任何部分接触。 如果婴儿落在铰链组件上,它将只接触完全封闭铰链机构的平滑的,填充的覆盖物。
    • 6. 发明授权
    • Parallel mass spectrometer
    • 平行质谱仪
    • US4507555A
    • 1985-03-26
    • US472161
    • 1983-03-04
    • Chang Chang
    • Chang Chang
    • G01N27/62G01N30/72H01J49/04B01D59/44
    • H01J49/009G01N30/72H01J49/0095
    • A parallel mass spectrometer, which consists of two or more sets of ion extraction means, mass resolution devices and ion detectors connected in parallel, is interfaced with a separation device, such as a gas chromatograph, for sample analysis. The formed sample ions are simultaneously and separately directed into first and second mass resolution devices. The first mass resolution device is operated under either total ion current or select ions monitoring mode with its detection system constantly monitoring the appearance of the chromatographic peaks. The second mass resolution device is operated under a mass scanning mode, but a mass scan operation is initiated only when a chromatographic peak occurs. Alternatively, a mass scan operation can be arranged such that only the raw mass scan data obtained in synchronization with the appearance of the chromatographic peak are acquired or processed. This allows sample qualitative and quantitative analysis to be achieved simultaneously without compromise on the performance of either the chromatograph or mass spectrometer.
    • 由两套或更多套离子提取装置组成的平行质谱仪与并联连接的质量分辨率装置和离子检测器与用于样品分析的分离装置如气相色谱仪接口。 形成的样品离子同时并分别指向第一和第二质量分辨率装置。 第一个质量分辨率装置在总离子电流或选择离子监测模式下运行,其检测系统不断监测色谱峰的出现。 第二质量分辨装置在质谱扫描模式下操作,但是仅当出现色谱峰时才启动质谱扫描操作。 或者,可以布置质量扫描操作,使得仅获得或处理与色谱峰的出现同步获得的原始质量扫描数据。 这样可以同时实现样品定性和定量分析,而不会影响色谱仪或质谱仪的性能。