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1. 发明授权

US3710154A Convertible power tool 失效
标题翻译：可变电源工具
公开(公告)号：US3710154A
公开(公告)日：1973-01-09
申请号：US3710154D
申请日：1971-07-14
申请人： BOSCH GMBH ROBERT
发明人： SCHILLING R
IPC分类号： B23B45/00 , B23B45/02 , H02K7/14
CPC分类号： B25F5/02 , B23B45/001 , B23B45/02
摘要： A convertible portable power tool has a cylindrical housing for a high-frequency electric motor whose output shaft extends forwardly into bearings provided in a flange which is bolted to the front portion of the housing. The flange has a small outwardly projecting lobe which is connectable with the shells of a plastic central handle. The flange further contains bearings for the shaft or shafts of a reducing gearing which is mounted in front of the flange and serves to drive the input member of a transmission for the tool spindle. The rear end of the motor housing is adjacent to a multi-section cap which contains a reversing device for the motor and is connected by screws to extensions provided on the sections of the handle. Such extensions define a channel for conductors which connect the motor with a switch in the interior of the handle. When the handle is removed and the cap is replaced with a cap which is connected to an energy source and contains an electric switch, the power tool can be used as a handle-free portable hand motor. The prefabricated units of the motor are assembled in accordance with the mechanical assembly technique.
摘要翻译：可转换便携式电动工具具有用于高频电动机的圆柱形壳体，其输出轴向前延伸到设置在凸缘中的轴承中，该凸缘螺栓连接到壳体的前部。凸缘具有小的向外突出的凸起，其可与塑料中心手柄的壳体连接。法兰还包含用于轴或减速齿轮的轴，该减速齿轮安装在法兰的前面，用于驱动用于工具主轴的变速器的输入部件。电动机壳体的后端与多部分盖相邻，该多部分盖包含用于电动机的反向装置，并通过螺钉连接到设置在手柄部分上的延伸部分。这种延伸部分定义用于将电动机与手柄内部的开关连接的导体的通道。当手柄被取下并且帽被替换为连接到能量源并且包含电开关的盖时，电动工具可以用作无手柄便携式手电动机。电机的预制单元根据机械组装技术进行组装。

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