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    • 6. 发明授权
    • Upper tool for press brake
    • 上压制动器
    • US5685191A
    • 1997-11-11
    • US431285
    • 1995-04-28
    • Susumu KawanoMamoru SugimotoToshiro Kawano
    • Susumu KawanoMamoru SugimotoToshiro Kawano
    • B21D5/02B21D37/04
    • B21D5/0236B21D5/0209
    • In an upper tool for a press brake formed with an inclined surface (9S) narrowed upwardly at an upper portion thereof and an engage groove (9G) formed under the inclined surface (9S). The inclined surface (9S) is brought into contact with an inclined surface of an upper tool clamp member (11), when the upper tool is clamped between an upper tool holder body (5) and an upper tool clamp member (11), in such a way that clamping force can be further increased when the upper tool is engaged with a die (63). Further, in an upper tool holder apparatus for a press brake, the pivotal upper tool clamp member (211) is formed with an engage projection (211P) for engaging a drop prevention groove (205G) formed in the upper tool (205). The upper tool holder apparatus further comprises a clamp operation lever (215) which can be selectively moved to a clamp position "A" at which the clamping force can be applied to the upper tool clamp member (211) from a clamping force generating spring (213) to clamp the upper tool tightly; an unclamp position "B" at which the clamping force can be reduced to allow the upper tool to be adjustably shifted horizontally, and an exchange position "C" at which the upper tool clamp member (211) can be moved way from the upper tool to allow the upper tool to be exchanged vertically with another one.
    • 在用于形成有在其上部向上变窄的倾斜表面(9S)的压制机的上部工具和形成在倾斜表面(9S)下方的接合槽(9G)中。 当上部工具夹持在上部工具夹具本体(5)和上部工具夹紧构件(11)之间时,倾斜表面(9S)与上部工具夹紧构件(11)的倾斜表面接触, 这样一种方式,当上部工具与模具(63)接合时,能够进一步增加夹紧力。 此外,在用于压力制动器的上部工具保持装置中,枢轴式上部工具夹紧构件211形成有用于接合形成在上部工具(205)中的防滴槽(205G)的接合突起(211P)。 上刀架装置还包括夹紧操作杆(215),其可以选择性地移动到夹紧位置“A”,在夹紧位置“A”处,夹紧力可以由夹紧力产生弹簧施加到上工具夹紧构件(211) 213)紧紧夹紧上部工具; 可以减小夹紧力以允许上部工具可水平地移动的松开位置“B”,以及上部工具夹紧构件(211)能够从上部工具移动的更换位置“C” 以允许上部工具与另一个垂直地交换。
    • 9. 发明申请
    • Single-Phase Brushless Motor
    • 单相无刷电机
    • US20090179514A1
    • 2009-07-16
    • US12227561
    • 2007-08-17
    • Kesatoshi TakeuchiMamoru Sugimoto
    • Kesatoshi TakeuchiMamoru Sugimoto
    • H02K29/03H02K29/08
    • H02K29/08H02K29/03H02P6/182H02P6/22H02P6/24H02P6/26
    • The single-phase brushless motor according to one aspect of the present invention includes a coil array having a plurality of magnetic coils 11-14; a magnet array having a plurality of permanent magnets 31-34; a magnetic sensor 40 for detecting relative position of the magnet array and the coil array; and a drive control circuit that, utilizing the output signal SSA of the magnetic sensor, generates application voltage for driving the coil array with a single-phase drive signal. The coil array includes a magnetic member 20. This magnetic member 20 is constituted such that, with the single-phase brushless motor at a stop, the centers of the permanent magnets 31-34 come to a stop at locations offsetted from the centers of the magnetic coils 11-14, due to attraction of the magnetic member 20 by the magnet array.
    • 根据本发明的一个方面的单相无刷电动机包括具有多个磁性线圈11-14的线圈阵列; 具有多个永久磁铁31-34的磁体阵列; 用于检测磁体阵列和线圈阵列的相对位置的磁传感器40; 以及驱动控制电路,利用所述磁传感器的输出信号SSA,以单相驱动信号产生用于驱动线圈阵列的施加电压。 线圈阵列包括磁性构件20.该磁性构件20被构造成使得在单相无刷电机处于停止状态时,永磁体31-34的中心在偏离中心的位置处停止 磁性线圈11-14,由于磁性体20被磁体阵列的吸引。