| 摘要 |
An interlocked roll type apparatus comprises: a first spool, two first flanges, a second spool, and two second flanges. The first flange has a first surface, a second surface, and a first periphery surface. The first surface has a first round protruding part. The first periphery surface has at least a first arc part, and the first arc part has a first arc protruding part protruding from the first surface. The second flange has a third surface, a fourth surface, and a second periphery surface. The second periphery surface has at least a second arc part having a second arc protruding part protruding from the third surface. The second arc part and the second arc protruding part are fastened with the first round protruding part of the first flange. The fourth surface has a second arc trench part for fastened with the first arc protruding part of the first flange.
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