A cassette type tape feeder including a tape feeding device that feeds a component supply tape to a component pickup position from a reel; a cover tape drawing-in device that peels off a cover tape from the component supply tape forward of the component suction position in accordance with a feeding operation of the component supply tape, and draws in the cover tape in a direction opposite to a feeding direction of the component supply tape; and a cover tape collection case that collects the cover tape drawn in by the cover tape drawing-in device. The cover tape collection case is configured of a fixing case section fixed to a cassette case, and a movable case section which expands capacity of the cover tape collection case by being displaced in a direction of the vacant space in the reel corresponding to an increase in collection amount of the cover tape. The movable case section is biased in a reducing direction by a torsion coil spring.