Patent ID: 8052341
Filing Date: 2011-11-08
Classification: B65H

Abstract:
1. An interlocked roll type apparatus, comprising: a first spool, for providing a printing medium; two first flanges, respectively having a first surface, a second surface, and a first periphery surface, the first surface having a first round protruding part, the first periphery surface having at least a first arc part, and the first arc part having a first arc protruding part protruding from the first surface, the two first flanges being respectively disposed on two sides of the first spool, and the first spool being connected to center of the second surface of the two first flanges; a second spool, for loading the printing medium, wherein a length of the second spool is longer than that of the first spool; and two second flanges, respectively corresponding to the first two flanges and having a third surface, a fourth surface, and a second periphery surface, the second periphery surface having at least a second arc part, and the second arc part having a second arc protruding part protruding from the third surface, the second arc part and the second arc protruding part being fastened with the first round protruding part of the first flange, the fourth surface having a second arc trench part for fastened with the first arc protruding part of the first flange, the two second flanges being respectively disposed on two sides of the second spool, and the second spool being connected to center of the fourth surface of the two second flanges.