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31. 发明授权

US5861687A Motor and recording and/or reproducing apparatus using the motor 失效
标题翻译：使用电动机的电动机和记录和/或再现装置
公开(公告)号：US5861687A
公开(公告)日：1999-01-19
申请号：US491337
申请日：1995-06-30
申请人： Atsushi Iwanaga , Masao Ohkita , Kesatomo Saito
发明人： Atsushi Iwanaga , Masao Ohkita , Kesatomo Saito
IPC分类号： G11B19/20 , H02K5/173 , H02K7/08 , H02K1/22
CPC分类号： G11B19/2009 , H02K5/1737
摘要： A motor and a recording and/or reproducing apparatus using the motor. The motor includes a rotational member, a fixed member, a stopper member and a set of balls. The rotational member is formed by bending a first plate, and includes a first V-shaped bearing guide groove and central rotational shaft having a hole formed therein. The fixed member is formed with a second V-shaped bearing guide groove and bent portions which are used to attach the fixed member to a chassis. The balls are mounted in the first and second V-shaped bearing guide grooves and allow the rotational member to rotate relative to the fixed member. The stopper member is inserted through a central opening in the fixed member and is received in the hole formed in the rotational shaft, thereby connecting the rotational member to the fixed member so that the motor can be transported as a unit without separating.
摘要翻译：一种电动机和使用电动机的记录和/或再现装置。马达包括旋转构件，固定构件，止动构件和一组球。旋转构件通过弯曲第一板形成，并且包括第一V形轴承引导槽和其中形成有孔的中心旋转轴。固定构件形成有第二V形轴承引导槽和用于将固定构件附接到底架的弯曲部。球安装在第一和第二V形轴承导向槽中，并允许旋转构件相对于固定构件旋转。止动构件通过固定构件中的中心孔插入并被容纳在形成在旋转轴中的孔中，从而将旋转构件连接到固定构件，使得电动机可以作为一个单元被输送而不分离。

32. 发明授权

US4779155A Disc driving device employing a seven drive head positioning unit 失效
标题翻译：盘式驱动装置采用七驱动头定位单元
公开(公告)号：US4779155A
公开(公告)日：1988-10-18
申请号：US15922
申请日：1987-02-18
申请人： Masao Ohkita , Shinichi Omori , Atsushi Masuda
发明人： Masao Ohkita , Shinichi Omori , Atsushi Masuda
IPC分类号： G11B21/08 , G11B5/55 , G11B21/02 , G11B21/10
CPC分类号： G11B5/5521 , Y10T74/19721
摘要： In a disc driving device with a carriage moving means including a screw shaft formed with a single spiral groove on an outer circumference thereof, the spiral groove being formed by a plurality of circumferential groove portions each having a greatly small lead angle and a straight bottom, the groove portions being sequentially shifted in an axial direction of the screw shaft, a stepping motor for rotatively driving the screw shaft, and a carriage having an engagement means adapted to be engaged with the spiral groove; the improvement is characterized in that each of the groove portions is divided into three parts, that is, a central small groove corresponding to a normal track position and both adjacent small grooves corresponding to a fine adjustment position, and that both the adjacent small grooves are axially shifted from the central small groove by an amount required for predetermined fine adjustment.
摘要翻译：在具有滑架移动装置的盘驱动装置中，所述滑架移动装置包括在其外圆周上形成有单个螺旋槽的螺杆，所述螺旋槽由多个具有非常小的引导角的圆周槽部和直的底部形成，所述槽部沿所述螺杆轴的轴向顺序地移动，用于旋转地驱动所述螺杆的步进马达和具有适于与所述螺旋槽接合的卡合装置的托架; 其特征在于，每个槽部被分成三个部分，即对应于正常轨道位置的中心小凹槽和对应于微调位置的两个相邻小凹槽，并且两个相邻小凹槽是从中央小凹槽轴向移动预定微调所需的量。

33. 发明授权

US4129764A Push switch 失效
标题翻译：按钮开关
公开(公告)号：US4129764A
公开(公告)日：1978-12-12
申请号：US815715
申请日：1977-07-14
申请人： Masao Ohkita , Hidetoshi Sato
发明人： Masao Ohkita , Hidetoshi Sato
IPC分类号： H01C10/36 , H01H13/56 , H01H13/58 , H01H13/52
CPC分类号： H01H13/58
摘要： A push switch is adapted for use in combination with a variable resistance. The switch comprises an insulating driving body rotatably mounted on a slider which is adapted to be moved by a push rod or shaft, and at least two metal pieces carrying electrical contacts. These members are positioned within a casing in such a manner that the movement of the slider causes the driving body to be rotated by contact with a projection formed on one of the metal pieces. The rotation of the driving body causes electrical contacts to move to and from each other.
摘要翻译：按钮开关适于与可变电阻组合使用。开关包括可旋转地安装在滑块上的绝缘驱动体，其适于由推杆或轴移动，以及至少两个承载电触点的金属片。这些构件以这样的方式定位在壳体内，使得滑块的运动使得驱动体通过与形成在其中一个金属片上的突起接触而旋转。驱动体的旋转导致电触头彼此移动和移动。

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