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    • 43. 发明授权
    • Drill
    • 钻头
    • US06916139B2
    • 2005-07-12
    • US10105411
    • 2002-03-26
    • Kazuya YanagidaShoji TakiguchiKatsuyuki SuzukiTakeshi Inoue
    • Kazuya YanagidaShoji TakiguchiKatsuyuki SuzukiTakeshi Inoue
    • B23B51/02
    • B23B51/02B23B2251/082B23B2251/14Y10T408/909Y10T408/9097
    • The present invention provides a drill comprising: a drill main body rotatable about an axis of rotation, and having a tip end with a tip flank and a shank; a chip discharge flute formed on a periphery of the drill main body, and extending from the tip end toward the shank of the drill main body; and a cutting edge formed along an intersecting ridge where a wall surface of the chip discharge flute facing in the direction of drill rotation intersects the tip flank of the drill main body, wherein the cutting edge comprises a convex cutting edge toward the periphery and a concave cutting edge smoothly extending from the convex cutting edge. When drilling work is performed with this drill, the chips are generally curled and can be smoothly discharged without being excessively abutted against the wall surface of the chip discharge flute; consequently, the chips can be smoothly discharged, and the drill main body is subjected to less frictional resistance, which leads to less wear on the drill and less driving torque for drilling. Therefore, the drill life can be preferably extended even under severe drilling conditions, such as during high speed drilling, and smooth and stable drilling can be performed.
    • 本发明提供了一种钻头,其包括:可围绕旋转轴线旋转的钻头主体,并具有具有末端侧面和柄部的末端; 形成在所述钻头主体的周边上并从所述钻头主体的前端朝向所述柄部延伸的排屑槽; 以及沿着相交脊形成的切削刃,其中,所述切屑排出槽的壁面在钻头旋转方向上相对于所述钻头主体的所述末端侧面,其中所述切削刃包括朝向所述周边的凸形切削刃, 刀刃从凸形切削刃平滑地延伸。 当用这种钻头进行钻孔加工时,芯片通常是卷曲的,并且可以顺利地排出,而不会过度地靠在排屑槽的壁表面上; 因此,可以顺利地排出切屑,并且钻头主体受到较小的摩擦阻力,这导致钻头的磨损较少,并且钻孔的驱动转矩较小。 因此,即使在高速钻孔的高严重的钻井条件下,也能够延长钻孔寿命,能够进行平稳稳定的钻孔。
    • 47. 发明授权
    • Longitudinal-torsional resonance ultrasonic motor with improved support
structure
    • 具有改进的支撑结构的纵向 - 扭转共振超声波马达
    • US5319278A
    • 1994-06-07
    • US72721
    • 1993-06-07
    • Osamu MyohgaTakeya HashiguchiTakeshi Inoue
    • Osamu MyohgaTakeya HashiguchiTakeshi Inoue
    • H01L41/09H02N2/12H01L41/08
    • H02N2/0045H02N2/0055H02N2/106
    • An ultrasonic motor comprises a rotor and a stator between which a pressurized face-to-face contact is established. The stator includes a longitudinal vibrator for producing a longitudinal thrust in the axial direction thereof and a torsional vibrator for transmitting a torsional thrust to the rotor in response to a longitudinal thrust timely generated by the longitudinal vibrator. The stator is supported by a structure which comprises a ring portion secured to the stator and a plurality of limb portions radially extending from the ring portion. Each of the limb portions has such an effective length and a width that the oscillation frequency of the motor matches the primary resonant frequency of a vibration of the limb portion generated on a plane normal to the axial direction of the stator and has such a thickness that the oscillation frequency matches an intermediate point between adjacent antiresonant frequencies of a vibration of the limb portion generated in the axial direction of the stator.
    • 超声波马达包括转子和定子,在该定子之间建立加压的面对面接触。 定子包括用于在其轴向方向上产生纵向推力的纵向振动器和用于响应由纵向振动器及时产生的纵向推力将扭转推力传递到转子的扭转振动器。 定子由包括固定到定子的环部分和从环部分径向延伸的多个分支部分的结构支撑。 每个肢体具有这样的有效长度和宽度,使得电动机的振荡频率与在与定子的轴向方向垂直的平面上产生的肢体部分的振动的初级共振频率匹配,并且具有这样的厚度: 振荡频率与在定子的轴向产生的肢体部分的振动的相邻反共振频率之间的中间点相匹配。
    • 49. 发明授权
    • Ultrasonic sheet feeder, low-profile ultrasonic motor, and method of
driving the same
    • 超声波送纸机,低调超声波电机及其驱动方法
    • US5233258A
    • 1993-08-03
    • US854541
    • 1992-03-19
    • Osamu MyogaTakeshi InoueMichihisa Suga
    • Osamu MyogaTakeshi InoueMichihisa Suga
    • B65H5/00H01L41/09H02N2/16
    • B65H5/008H02N2/0025H02N2/026
    • An ultrasonic sheet feeder includes a convex shell, piezoelectric ceramic elements, a base, a roller, and a driving power source. The convex shell has a protruding middle portion. Each piezoelectric ceramic element has one end in contact with a corresponding one of the two ends of the convex shell. The base serves to fix the other end of each of the piezoelectric ceramic elements. The roller is arranged to oppose the protruding middle portion of the convex shell so as to urge a paper sheet against the convex shell when the paper sheet is loaded. The coefficient of friction of a contact portion of the roller with respect to the paper sheet is smaller than that of a contact portion of the convex shell with respect to the paper sheet. The driving power source applies AC voltages having a phase difference to the two piezoelectric ceramic elements. A low-profile ultrasonic motor used for the ultrasonic sheet feeder and methods of driving the motor and the sheet feeder are also disclosed.
    • 超声波供纸器包括凸壳,压电陶瓷元件,基座,辊子和驱动电源。 凸壳具有突出的中间部分。 每个压电陶瓷元件的一端与凸壳的两端中相应的一端接触。 基座用于固定每个压电陶瓷元件的另一端。 辊被布置成与凸壳的突出的中间部分相对,以便当纸张被装载时将纸张推压到凸壳上。 辊相对于纸张的接触部分的摩擦系数小于凸壳相对于纸张的接触部分的摩擦系数。 驱动电源向两个压电陶瓷元件施加具有相位差的交流电压。 还公开了一种用于超声波供纸器的低调超声波马达以及驱动马达和送纸器的方法。
    • 50. 发明授权
    • Thickness mode vibration piezoelectric transformer
    • 厚度模式振动压电变压器
    • US5118982A
    • 1992-06-02
    • US530930
    • 1990-05-30
    • Takeshi InoueOsamu OhnishiNobuo Ohde
    • Takeshi InoueOsamu OhnishiNobuo Ohde
    • H01L41/107H03H9/58
    • H03H9/178H01L41/107H03H9/581
    • Low and high impedance thickness mode vibration portions are integrally laminated. Each vibrator portion comprises electrode layers between which a piezoelectric layer polarized in the direction of thickness is interposed. In each vibrator portion, every other electrode layer is connected to respective common external terminals. These common external terminals are of either four-terminal construction consisting two pairs, one pair for the low impedance mode vibrator portion and the other pair for the high impedance thickness mode vibrator portion, or three-terminal construction in which one of each pair are united together into a common terminal. Difference between the impedances is set on difference in the number of electrode layers and/or on difference in dielectric constant between the piezoelectric layers.
    • 低阻抗和高阻抗厚度模式振动部分被整体层压。 每个振动器部分包括电极层,在该电极层之间插入有沿厚度方向偏振的压电层。 在每个振动器部分中,每隔一个电极层连接到相应的公共外部端子。 这些公共外部端子是四端子结构,其包括两对,用于低阻抗模式振动器部分的一对,以及用于高阻抗厚度模式振动器部分的另一对,或者其中每对一个组合在一起的三端构造 一起成为一个共同的终端。 阻抗之间的差异设定在电极层的数量和/或压电层之间的介电常数的差异上。