| 摘要 |
PURPOSE:To clamp surely a cassette without giving damage to the cassette and exerting excessive force thereto by releasing locking after passing through the clamp position at the loading of the cassette and moving the cassette to the clamp position by a guide for the return path. CONSTITUTION:The cassette is pushed until it touches with a folded part 2a of a cassette guide, the cassette is positioned accurately and clamped by leaving a hand. On the other hand, in touching an operating button 3c and pushing forward an operating lever 3, since a pin 6a is retrogressed along a guide hole 3b, the pin 6a is led to the upper part of the guide hole 3b. Through the operation, a cassette guide 2 is elevated together with the cassette 1 and a positioning pin 8 is parted from a positioning hole 8a this time. Simultaneously, the pin 3a is locked to the inside of a bending part of an arm 5c of a lock lever 5. Thus, the force in loading the cassette 1 is utilized so as to load the cassette accurately and very easily. |
