Patent ID: 9114491
Filing Date: 2015-08-25
Classification: B23Q,Y02P

Abstract:
1. A driving source supply system for an attachment device-equipped electric power tool, the driving source supply system supplying a driving source to an attachment device from an electric power tool which is equipped with a battery as a driving source and to which the attachment device is joined, the driving source supply system comprising: a male terminal formed on one of the electric power tool and the attachment device so as to protrude therefrom; a plug-in port provided in the other of the electric power tool and the attachment device and into which the male terminal is insertable; and a female terminal formed in the other of the electric power tool and the attachment device, located inside the plug-in port, and electrically connectable to the male terminal; wherein a driving source is supplied from the battery to the attachment device by electrically connecting the male terminal to the female terminal when the attachment device is joined to the electric power tool, the other of the electric power tool and the attachment device in which the female terminal is formed is provided with a shutter capable of sliding between an open position and a closed position of the plug-in port, a rotary member capable of rotating through engagement of one end thereof with the shutter, and urging means urging the rotary member in a rotational direction such that the shutter slides to the closed position; the one of the electric power tool and the attachment device on which the male terminal is formed is provided with a press member coming into abutment on the other end of the rotary member when the attachment device is mounted to rotate the rotary member, against urging of the urging means, in a rotational direction such that the shutter slides to the open position, and driving of the attachment device is interlocked with driving of the electric power tool.