| 摘要 |
<p>PURPOSE:To open exactly and quickly the lid of a cassette by a simple constitution, to make a device small in size and to reduce its cost by providing a lever supported so as to be freely turnable by a cassette substrate, and a release member and an open member on one side and the other side, respectively, by placing a pivotally supporting point of the lever between them. CONSTITUTION:When a cassette 19 is made to descent, a release member 78 abuts on a release pin 91 for releasing the lid lock of the cassette 19. When the cassette 19 is further made to descend, a lever 76 turns clockwise centering around a supporting point 77 and the release member 78 presses and moves backward the release pin 91 against the energizing force of a spring contained in the inside of the cassette 19. As a result, the locks of lids 92, 93 are released. When the lever 76 turns clockwise, an open member 79 moves upward, abuts on the lower face of the lid 92, and pushes it upward. Accordingly, the lid 92 is released upward centering around a supporting point 97.</p> |
