To provide an extensible transfer device or performing transfer by turning a spiral blade body.

In the transfer device or performing transfer by turning the spiral blade body, the spiral blade body comprises a spiral blade body with a shaft having spiral blades on the outer peripheral of a turning shaft and a spiral blade body without shaft having spiral blades wound on the turning shaft of the spiral blade body with the shaft. A blade body turning means for turning each spiral blade body is provided, the spiral blade body without shaft is extensible/contractible relative to the spiral blade body with the shaft due to rotation speed difference between the spiral blade body with the shaft and the spiral blade body without shaft.