Tape roll rewind device and method for rewinding tape on a tape roll

摘要

A tape roll rewind device includes a rotatable tape spool with tape wound thereon; and a device for 1) storing energy in response to rotation of the tape spool in a first direction, 2) storing a maximum amount of energy regardless of the amount of rotation of the tape spool in the first direction, and 3) utilizing the stored energy to rotate the tape spool in a second direction to rewind tape onto the tape spool upon the ending of rotation of the tape spool in the first direction.