| 摘要 |
<p>PURPOSE:To obtain the door opening / closing device not to damage operability by releasing a lock due to a lock piece by pressing a part to be pressed in a guide piece, and opening a door. CONSTITUTION:In the state of closing a door 3, the door 3 is set at a turn limit position in a counter-clockwise direction by the elastic force of a spring 4 and at such a time, a lock piece 7 falls downward by the dead weight in the state of fitting a lock part 7a to a recessed part 1a for lock of a front panel 1. Therefore, the door 3 is locked in the closed state and even when a child or the like pushes any part excepting for a part 6b to be pressed, the door 3 is not opened. Then, it can be prevented that any foreign material is inserted from an opening 2 by ''mischief'' or the like by opening the door 3. When inserting a tape cassette in this state of closing the door 3, the tape cassette (not shown in the figure) is carried to the front side of the door 3 and pushed in an arrow A direction while abutting the tape cassette to the part 6b to be pressed in the guide piece 6 protruded from the front face of the door 3.</p> |
