index and middle finger at these positions the transfer operation can be performed perfectly because tape surface is straightly faced toward the surface to be transferred and the tape is run in the inclined position and there is no possibility that the adhesive substance is not transferred to the desired position in good order when necessary the guide piece may have the structure as shown in fig7 in fig7 is a protuberance as formed on the side of the guide piece which has the shape of a groove or a slot the protuberance is positioned in the notched groove 17 which is formed at the end of the free falling free contact piece hindering it from dropping off in a lateral direction when the cover is removed to replace the tape 18 is an opening on the casing for hanging purpose to use when the automatic transferring device for double coated adhesive tape is stored or left unused the automatic transferring device for double coated adhesive transferring tape based on the above mentioned structure can offer perfect rotation for the tape roll it is so designed that the tape itself is provided with the dry edge portion without adhesive substance on upper and lower sides in longitudinal direction of the double sided released.