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    • 8. 发明授权
    • Method of manufacturing stator for stepping motor
    • 制造步进电机定子的方法
    • US5548885A
    • 1996-08-27
    • US218255
    • 1994-03-28
    • Takahisa Yamada
    • Takahisa Yamada
    • B21D22/26B21D28/10B21D53/00H02K15/02H02K37/14
    • H02K15/022Y10T29/49009
    • A method of forming a stator for a stepping motor, including the steps of forming comb teeth by cutting a flat section of a plate having a cylindrical section around the flat section and bending the comb teeth up to a first angle. Next, the comb teeth are bent up to a second angle larger than the first angle and the thickness of the comb teeth is reduced so as to render uniform the thickness of all the comb teeth. Then, the cylindrical section is subjected to a drawing process at least one time. Finally, the comb teeth are bent up to a right angle. As a result, the occurrence of cambers in the comb teeth is eliminated and the comb teeth are not inclined in the peripheral direction. Also, the accuracy with which the comb teeth are bent to a right angle can be improved thereby.
    • 一种形成用于步进电机的定子的方法,包括以下步骤:通过切割具有围绕平坦部分的圆柱形部分的板的平坦部分并将梳齿弯曲成第一角度来形成梳齿。 接下来,梳齿弯曲成大于第一角度的第二角度,并且梳齿的厚度减小,使得所有梳齿的厚度均匀。 然后,对圆筒部进行至少一次拉伸处理。 最后,梳齿弯曲成直角。 结果,消除梳齿中的翘曲,并且梳齿不沿圆周方向倾斜。 此外,可以提高梳齿弯曲成直角的精度。
    • 9. 发明申请
    • LENS ATTACHING/DETACHING DEVICE AND PROJECTION DISPLAY DEVICE
    • 镜头连接/拆卸装置和投影显示装置
    • US20130342923A1
    • 2013-12-26
    • US14004125
    • 2011-03-17
    • Yasushi ItouTakahisa YamadaKazuya Inoue
    • Yasushi ItouTakahisa YamadaKazuya Inoue
    • G02B7/14
    • G02B7/14G03B21/142G03B21/145
    • A lens attaching/detaching device includes a lever holding plate that has an elastic piece which presses a lock releasing lever in a direction away from a locking mechanism and holds the lock releasing lever while the lock releasing lever is guided by a lower case. The lock releasing lever includes a first sliding part and a second sliding part which are guided by the lower case. The first sliding part and the second sliding part are arranged at different positions in a Z direction and an X direction orthogonal to a Y direction. An operation part is disposed at the same position as that of the first sliding part in the Z direction. An actuation part is disposed at the same position as that of the second sliding part in the Z direction. The lower case includes a first guiding part which guides the first sliding part and the second guiding part which guides the second sliding part.
    • 镜头安装/拆卸装置包括杆保持板,其具有弹性件,该弹性件在远离锁定机构的方向上按压锁定释放杆并且在锁定释放杆由下壳体引导的同时保持锁定释放杆。 锁定释放杆包括由下壳体引导的第一滑动部件和第二滑动部件。 第一滑动部和第二滑动部配置在与Y方向正交的Z方向和X方向的不同位置。 操作部在与第一滑动部的Z方向相同的位置配置。 致动部分设置在与Z方向上的第二滑动部分相同的位置上。 下壳体包括引导第一滑动部的第一引导部和引导第二滑动部的第二引导部。