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    • 3. 发明授权
    • DC motor
    • 直流电机
    • US6100610A
    • 2000-08-08
    • US132474
    • 1998-08-11
    • Masayuki KatagiriHiromitsu Takei
    • Masayuki KatagiriHiromitsu Takei
    • H02K1/24H02K3/38H02K13/00H02K13/10H02K21/30H02K23/00H02K23/04H02K15/00
    • H02K13/006H02K3/38
    • Projections 30 of a commutator unit 23 formed on the radial line of slit center positions of commutator piece 26 arranged radially are inserted into through holes 22 made on the center axes of salient poles 19 arranged radially in an armature core 15 and a rotator with high position accuracy of center points with respect to the salient poles 19 is formed. A projection tip face 30c is positioned on a shaft 14 to accurate predetermined dimension A from the rear end of the shaft, whereby accuracy of play gap D can be improved. The commutator unit 23 is reinforced with the projections 30 and wrong form dimensions made due to heat deformation at the soldering treatment time can be prevented.
    • 在径向配置的整流子片26的狭缝中心位置的径向线上形成的换向器单元23的突出部30被插入到在电枢铁心15的径向配置的突极19的中心轴上形成的通孔22和高位置的转子 形成相对于凸极19的中心点的精度。 突起顶面30c定位在轴14上,从而从轴的后端精确地确定了尺寸A,从而可以提高间隙D的精度。 换向器单元23被突起30加强,并且可以防止由于在焊接处理时间的热变形而形成的错误的形状尺寸。
    • 8. 发明授权
    • DC motor with brushes
    • 直流电机带刷子
    • US06677694B1
    • 2004-01-13
    • US09665777
    • 2000-09-18
    • Hiromitsu TakeiMasayuki Katagiri
    • Hiromitsu TakeiMasayuki Katagiri
    • H02K1300
    • H02K5/145H01R39/24H01R39/39
    • A DC motor with brushes includes a rotary shaft, an armature rotatable with the rotary shaft, a stator magnet disposed opposite to the armature, a commutator affixed on the side of the armature, and a pair of inside and outside brushes retained by a brush holder in a manner that the brushes are brought in contact with a peripheral surface of the commutator. The pair of brushes has an identical configuration. The outside brush is bent in a direction away from the other brush when the pair of the brushes is retained by the brush holder. The outside brush is further bend when in contact with the commutator. The inside brush has an end section extending toward an intermediate point of the outer brush in a longitudinal direction thereof. Each of the outside brush and the inside brush has a base section that is affixed to a terminal and an end section that is brought in contact with the commutator. The end section is bent with respect to the base section such that each of the outside brush and the inside brush defines a generally L-shape.
    • 具有刷子的直流电动机包括旋转轴,可与旋转轴一起旋转的电枢,与电枢相对设置的定子磁体,固定在电枢侧的换向器,以及由电刷架保持的一对内外刷 以使刷子与换向器的外周表面接触的方式。 这对刷子具有相同的配置。 当一对刷子被刷架保持时,外部刷子沿远离另一个刷子的方向弯曲。 当与换向器接触时,外部刷子进一步弯曲。 内刷具有沿着外刷的长度方向朝向外刷的中点延伸的端部。 外部刷子和内部刷子中的每一个具有固定到终端的基部和与换向器接触的端部。 端部相对于基部弯曲,使得外部刷子和内部刷子中的每一个限定为大致L形。
    • 9. 发明授权
    • Motor with rotator having shaft insertion sections with different internal peripheral surfaces
    • 带旋转器的电机具有不同内周面的轴插入部分
    • US06534889B2
    • 2003-03-18
    • US09730902
    • 2000-12-06
    • Masayuki KatagiriHiromitsu TakeiMakoto Akabane
    • Masayuki KatagiriHiromitsu TakeiMakoto Akabane
    • H02K500
    • G11B19/2009H02K1/30
    • A motor has a rotatably supported rotor shaft and a rotator that rotates together with the rotor shaft. The rotator includes a shaft insertion section that has an internal peripheral surface and a specified length in an axial direction in which the rotor shaft is inserted. The internal peripheral surface has a first internal peripheral surface of a small diameter and a second internal peripheral surface having a diameter slightly greater than that of the first internal peripheral surface. The first internal peripheral surface engages the rotor shaft under a pressure, and the second internal peripheral surface is slightly spaced a distance from the rotor shaft, such that a gap is created between the second internal peripheral surface and the rotor shaft. The rotor shaft is pressure-inserted in the first internal peripheral surface to be affixed to the rotator, and an adhesive is filled in the gap between the second internal peripheral surface and the rotor shaft to affix the second internal surface to the rotator.
    • 电动机具有可旋转地支撑的转子轴和与转子轴一起旋转的转子。 转子包括轴插入部,该轴插入部具有插入转子轴的轴向的内周面和规定长度。 内周面具有小直径的第一内周面和第二内周面,其直径略大于第一内周面的直径。 第一内周表面在压力下接合转子轴,并且第二内周表面与转子轴稍微间隔一定距离,使得在第二内周表面和转子轴之间产生间隙。 转子轴被压入第一内周表面以固定到旋转体,并且在第二内周表面和转子轴之间的间隙中填充粘合剂以将第二内表面固定到旋转体。
    • 10. 发明授权
    • Disc chucking mechanism
    • 圆盘夹紧机构
    • US06222818B1
    • 2001-04-24
    • US09271315
    • 1999-03-18
    • Kazutaka KobayashiMasayuki KatagiriHiromitsu Takei
    • Kazutaka KobayashiMasayuki KatagiriHiromitsu Takei
    • G11B2300
    • G11B17/03G11B17/0282
    • A disc chucking mechanism includes a turn table, on which a disc with a center hole is disposed, driven by a rotation/drive mechanism, said turn table having a cylindrical portion to which the center hole of a disc in fit, a first guide protruding radially outwardly of the outer circumferential surface of the cylindrical portion, second and third guides retractably provided at positions angularly spaced approximately 120° from the first guide with respect to the center of rotation of the cylindrical portion, and auxiliary guides provided at mid-positions between the second guide and the first guide and between the third guide and the first guide, a height of a peak point of each auxiliary guide being smaller than a height of a peak point of the first guide when measured from the outer circumferential surface of the cylindrical portion, wherein the distance of each auxiliary guide measured from the outer circumferenial surface of the cylindrical portion in smaller than the distance of the peak point of the first guide from the outer circumferential surface.
    • 盘式夹紧机构包括:转台,其上设置有具有中心孔的盘,由旋转/驱动机构驱动,所述转台具有圆盘部分,盘的中心孔配合到该圆筒部分,第一导向件突出 在圆柱形部分的外圆周表面径向向外的第二和第三导向件可缩回地设置在相对于圆柱形部分的旋转中心与第一导向件成角度间隔大约120°的位置处, 所述第二引导件和所述第一引导件以及所述第三引导件和所述第一引导件之间,每个辅助引导件的峰值点的高度小于从所述第一引导件的所述圆柱形的外周面测量时的所述第一引导件的峰值点的高度 部分,其中每个辅助引导件从圆柱形部分的外周表面测量的距离小于该圆柱形部分的距离 第一引导件从外圆周表面的峰值点。