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1. 发明授权

US4912453A Electromagnetic bell unit, its fitting structure and a method of welding the bell and the yoke of the unit 失效
标题翻译：电磁铃单元，其配件结构以及一个焊接单元的喇叭和轭的方法
公开(公告)号：US4912453A
公开(公告)日：1990-03-27
申请号：US051473
申请日：1987-05-18
申请人： Junichi Aizawa , Satoru Yamauchi , Shoichiro Kumazawa , Natsuki Hashiba , Tomohiro Wada
发明人： Junichi Aizawa , Satoru Yamauchi , Shoichiro Kumazawa , Natsuki Hashiba , Tomohiro Wada
IPC分类号： B23K11/00 , B23K11/14 , G10K1/063 , G10K1/064
CPC分类号： G10K1/063 , B23K11/002 , B23K11/14 , G10K1/0645
摘要： A miniaturized electromagnetic bell unit suitable for use with an alarm clock and the like is provided.The bell unit of the present invention is characterized in that it is miniaturized in such a way that a yoke to which a coil and a bell hammer are attached is incorporated within a bell and the bell is fixed to the yoke. Besides the simplicity of its structure, the advantages of the present invention are that the bell hammer can be adjusted in a simple manner through a hole drilled in the bottom of the bell; both the bell and the yoke are held fixed together simply and firmly such that a positioner is inserted into holes drilled correspondingly through the bell and the yoke while at the same time, an arm integrally extending from the yoke is fixed to a fixing member; and further, another hole is drilled in the bottom of the bell and one of two electrodes is inserted into the bell through the hole while the other electrode is brought into contact with the outer surface of the bell whereby the yoke and the bell are spot-welded to each other simply and securely.
摘要翻译：提供适用于闹钟等的小型电磁铃单元。本发明的钟形单元的特征在于，其小型化，使得将安装有线圈和钟形锤的轭结合在钟形件内，并将钟形件固定在轭架上。除了其结构的简单之外，本发明的优点是可以通过在钟底部钻出的孔以简单的方式调节钟锤; 钟和轭被简单牢固地固定在一起，使得定位器插入相应地通过钟形和轭状钻孔的孔中，同时从轭固定延伸的臂固定到固定构件上; 此外，在钟的底部钻出另一个孔，并且两个电极中的一个通过孔插入到钟形件中，而另一个电极与钟形件的外表面接触，由此轭和钟是点状的，彼此焊接牢固。

2. 发明授权

US4968971A Method of spot welding parts of an electromagnetic bell unit 失效
标题翻译：点焊电磁铃单元的部件的方法
公开(公告)号：US4968971A
公开(公告)日：1990-11-06
申请号：US210812
申请日：1988-06-24
申请人： Junichi Aizawa , Satoru Yamauchi , Shoichiro Kumazawa , Natsuki Hashiba , Tomohiro Wada
发明人： Junichi Aizawa , Satoru Yamauchi , Shoichiro Kumazawa , Natsuki Hashiba , Tomohiro Wada
IPC分类号： B23K11/00 , B23K11/14 , G10K1/063 , G10K1/064
CPC分类号： G10K1/063 , B23K11/002 , B23K11/14 , G10K1/0645
摘要： A miniaturized electromagnetic bell unit suitable for use with an alarm clock and the like is provided.The bell unit of the present invention is characterized in that it is miniaturized in such a way that a yoke to which a coil and a bell hammer are attached is incorporated within a bell and the bell is fixed to the yoke. Besides the simplicity of its structure, the advantages of the present invention are that the bell hammer can be adjusted in a simple manner through a hole drilled in the bottom of the bell; both the bell and the yoke are held fixed together simply and firmly such that a positioner is inserted into holes drilled correspondingly through the bell and the yoke while at the same time, an arm integrally extending from the yoke is fixed to a fixing member; and further, another hole is drilled in the bottom of the bell and one of two electrodes is inserted into the bell thorugh the hole while the other electrode is brought into contact with the outer surface of the bell whereby the yoke and the bell are spot-welded to each other simply and securely.

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