Driving tool

A driving tool which is configured to drive a fastener supplied to a nose by using a striking mechanism, the driving tool comprising:

• a trigger that is configured to receive a manipulation which operates the striking mechanism;
• a contact arm that is configured to receive another manipulation which operates the striking mechanism;
• a contact lever that is configured to be movable according to operations of the trigger and the contact arm and that is configured to switch operating states of the striking mechanism;
• and
• a regulator that is configured to regulate a movement of the contact lever according to a movement of the contact arm in which another manipulation is released,
• wherein the regulator is configured to operate with a fluid for operating the striking mechanism, and to keep a position of the contact lever at an operation standby position where the contact lever is operated by a manipulation of the contact arm for a predetermined time period by controlling a flow rate of the fluid.