Patent ID: 8443914

Claim:
An attachment device-equipped electric tool to which an attachment device is joined, comprising: a male terminal protrusively provided on one of the electric tool and the attachment device; a female terminal that is provided on the other of the electric tool and the attachment device, is located inside a plug-in port into which the male terminal can be inserted, and is electrically connected to the male terminal to allow power to be supplied from the electric tool to the attachment device as the attachment device is joined to the electric tool; a connector that is provided on the other of the electric tool and the attachment device to support the female terminal, and is movable between a connection position where the female terminal is located inside the plug-in port and a non-connection position where the female terminal is in retreat from inside the plug-in port; an urging unit provided on the other of the electric tool and the attachment device to urge the connector toward the non-connection position; a shutter portion that is provided on the connector, is located inside the plug-in port at the non-connection position to close the plug-in port, and is in retreat from inside the plug-in port at the connection position; and a press portion that is provided on the one of the electric tool and the attachment device and comes into abutment on the connector to move the connector to the connection position against urging of the urging unit as the attachment device is mounted.