ATTACHMENT DEVICE-EQUIPPED ELECTRIC TOOL
First Claim
1. 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.
1 Assignment
0 Petitions
Accused Products
Abstract
A hammer drill is provided with a connector equipped with a female terminal, movably between a connection position where the female terminal is located inside a plug-in port and a non-connection position where the female terminal is in retreat from inside the plug-in port. The hammer drill is also provided with a torsion spring that urges the connector toward the non-connection position. The connector is provided with a shutter portion that is located inside the plug-in port to close the plug-in port at the non-connection position and is in retreat from inside the plug-in port at the connection position. A dust collecting device is provided with a press rail that comes into abutment on the connector to move the connector to the connection position against the urging of the torsion spring as the dust collecting device is mounted.
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Citations
27 Claims
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1. An attachment device-equipped electric tool to which an attachment device is joined, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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8. An attachment device-equipped electric tool to which an attachment device is joined, comprising:
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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 shutter that is provided on the other of the electric tool and the attachment device and can slide between an open position and a closed position of the plug-in port; a rotary member that is provided on the other of the electric tool and the attachment device and can rotate through engagement of one end thereof with the shutter; an urging unit provided on the other of the electric tool and the attachment device to urge the rotary member in a rotational direction in which the shutter slides to the closed 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 other end of the rotary member to rotate the rotary member, against urging of the urging unit, in a rotational direction in which the shutter slides to the open position as the attachment device is mounted. - View Dependent Claims (9, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification