| 摘要 |
PURPOSE:To attach or detach an element frame in a small work space by unlocking an element frame after a rotating shaft passes through a dead point and bringing the inclined element out of the casing. CONSTITUTION:A latch 45 fixed to one end of an element frame 19 and a slider 38 freely rotatably supported by the other end through a rotating shaft 39 are provided to the element frame. A supporting shaft 47 to be engaged with the engaging groove 46 of the latch 45 and used for supporting the latch 45 free to attach, detach and rotate and a fulcrum shaft 43 supporting the slider 38 free to rotate, slide, attach and detach and constituting a toggle mechansim for locking the element frame along with the rotating shaft 39 and supporting shaft 47 are furnished to the supporting mechanism. A protrusion 48 for preventing the disengagement of the frame 19 from the supporting shaft 47 when the frame is rotated around the supporting shaft 47 is provided to the groove 46 of the latch 45. Consequently, the frame 19 is attached or detached even in a small space. |
