COMPONENT SUPPLY DEVICE

A component supply device includes an introduction sprocket that rotates with an outer peripheral pin engaged with a feed hole of a carrier tape on a conveyance path, thereby conveying the carrier tape, and a wheel that has a plurality of recesses on an outer periphery, and receives the outer peripheral pin of the rotating introduction sprocket by the recess to rotate in accordance with rotation of the introduction sprocket. A contact surface of the outer peripheral pin contacting an inner surface of the recess and a contacted surface with which the outer peripheral pin contacts out of the inner surface of the recess are both formed of flat surfaces, and the contact surface and the contacted surface come into line contact with each other.