| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a print mechanism capable of easily replacing a sleeve.SOLUTION: The print mechanism 1 includes a mandrel 2 and a sleeve 3, and the mandrel comprises a main body and sleeve support bodies 6 arranged on an outer periphery of the main body. The plurality of sleeve support bodies are arranged on the main body in the axial direction at intervals, and comprise a plurality of arm parts 7 radially extending so as to support the sleeve from an inside and moving mechanisms 8 for moving tip vicinities of arm parts inside/outside in the radial direction. The print mechanism also includes an interlock mechanism 9 for synchronously driving each moving mechanism of the sleeve support bodies, and the tip vicinities of the arm parts are engaged with the inner surface of the sleeve or released from the engaged inner surface of the sleeve by synchronously moving the tip vicinities of all arm parts inside/outside with the interlock mechanism.</p> |
