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1. 发明授权

US5573357A Portable, handheld, power tool 失效
标题翻译：便携式，手持式，电动工具
公开(公告)号：US5573357A
公开(公告)日：1996-11-12
申请号：US429947
申请日：1995-04-27
申请人： David A. Mirles
发明人： David A. Mirles
IPC分类号： B23G1/26 , B23B45/04 , B23B45/12 , B23G1/16
CPC分类号： B23G1/261 , Y10T408/03 , Y10T408/5628 , Y10T408/643 , Y10T408/65
摘要： A portable, handheld, power tool is operable to rotate a tap in an opening in a workpiece to form an internal thread convolution in the opening. The power tool includes a chuck which holds the tap. Left and right handles extend in opposite directions from the chuck and are connected with a housing. A motor is disposed in one of the handles and is connected with the chuck by a drive mechanism. Manual actuation of a motor control lever mounted on the one handle initiates operation of the motor. Upon operation of the motor, force is transmitted through a drive mechanism to the chuck to rotate the chuck and the tap. Upon interruption of operation of the motor, the tap may be rotated under the influence of force which is manually applied to the handles.
摘要翻译：便携式手持式电动工具可操作以在工件的开口中旋转水龙头以在开口中形成内螺纹卷积。电动工具包括夹持水龙头的卡盘。左右手柄从卡盘向相反方向延伸并与外壳连接。电动机设置在一个手柄中，并通过驱动机构与卡盘连接。手动启动安装在一个手柄上的电机控制杆启动电机的操作。在电动机操作时，力通过驱动机构传递到卡盘以使卡盘和水龙头旋转。在电动机操作中断时，水龙头可以在手动施加到把手的力的影响下旋转。

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