| 摘要 |
<p>PROBLEM TO BE SOLVED: To safely open the cassette door which is provided to cover the cassette holder of a pop up type. SOLUTION: In the mechanism, a cassette door opining button 10 is rotation freely supported to a cassette door 3 or a cassette holder 4. A restraining boss 4b1 of the holder 4 side, integrally provided with the door 3, is restrained to a cassette loading position by a latch pawl 7 supported in a housing 1 in a rotation free manner. By pressing the door 3, the rotation in the restraining release direction of the pawl 7 is prevented by a restraining release preventing recessed part 10b of the button 10. By pressing an operating knob section 10a of the button 10, the part 10b of the button 10 is allowed to rotate into the restraining release direction of the pawl 7 and is retracted.</p> |
