| 摘要 |
PURPOSE:To insert a case easily without requiring much man power and to enhance reliability by providing a widening mechanism movable in the direction of insertion of the case and a movement checking member that checks the movement and releases the checking. CONSTITUTION:When a case 2 inserted in the widening mechanism 200 is brought into contact with a widening member 215 and widened along the slope, and a latch engaging end 217c enters a hole 13 of the case, the case 2 is locked. As the engagement of the latch end 217a and a sliding plate 208 is disengaged, the plate 208 moves in the directon of Z2, and the engagement of the hole 13 and engaging end 217c is not disengaged. When the widening mechamism 200 advances farther, a reversing lever 307 is pushed by a roller 211 and does not obstruct its entry. Accordingly, the insertion of the case becomes easy without requiring much man power, and a complicated clutch mechanism is not necessary. Thus, reliability can be enhanced by simple constitution. |
