Patent ID: 8777078

Claim:
A driving tool comprising: a drive unit; a driver driven by the drive unit configured to be moved in a driving direction; a driver guide defining therein a drive passage of a driven member and having an end portion configured to guide the driver and having a drive opening at one end in a driving direction, the drive opening having a first axis; and a contact arm having a contact portion in the shape of a hollow tube movable between a first position and a second position, wherein: the contact portion in the first position does not protrude beyond the end portion of the driver guide and permits a driving operation of the drive unit; the contact portion in the second position protrudes beyond the end portion of the driver guide and inhibits the driving operation of the drive unit; the end portion of the driver guide includes a guide tube having an inner diameter larger than an inner diameter of the drive passage; the contact portion moves within the guide tube between the first position and the second position; and the contact portion has an inner circumference hole serving as a part of the drive passage of the driven member; a driven member magazine is provided in the driver guide and is configured to house a plurality of driven members and supplying a driven member one by one to the drive passage; an actuating bar is coupled to one of the right and left side of the contact portion and a contact bar is coupled to the other side of the contact portion, the contact portion being coupled to the contact arm via the actuating bar; and the contact bar is configured to prevent a blank driving, the contact bar permitting the contact portion to move to the first position only when driven members are supplied from the driven member magazine to the drive passage.