A non-splicing feeder for which new carrier tape can be set safely is provided. The feeder includes a third sprocket rotatably provided on the insertion section of a main body, a fourth sprocket rotatably provided upstream from the third sprocket in the conveyance direction; third engaging protrusions which engage with engaging holes which are formed at a fixed angle on the outer circumference of a first sprocket, and fourth engaging protrusions which engage with engaging holes which are formed at only a portion of the outer circumference of the fourth sprocket.