A moveable tape head mechanism for a box erecting machine having a fixed guide rail and an adjustable guide rail includes a cradle which carries a tape head, the cradle being horizontally slidable between operational and loading positions to expedite replacement of a tape roll contained thereon. In the...http://www.google.es/patents/US6135937?utm_source=gb-gplus-sharePatente US6135937 - Moveable tape head for erecting machine
