Patent ID: 7661598
Filing Date: 2010-02-16
Classification: G09F

Abstract:
1. A mechanism for attaching to a transfer device an RFID tag used for transmitting and receiving data to and from an RFID reader or writer, comprising: a retaining unit to retain the RFID tag; and a holding unit to hold the retaining unit in such a manner that a surface of the RFID tag from which data can be read highly accurately faces an antenna of the RFID reader or writer while keeping a distance between the RFID tag and the antenna within a certain range regardless of a transfer direction of the transfer device, the holding unit including when the retaining unit is rotated by the rotation member, the projection member escapes to a space away from the rotation member while applying a force to the elastic member, and when the retaining unit passes through, said projection member returns to an original position by being pushed by an elastic force of the elastic member.