| 摘要 |
<p>PROBLEM TO BE SOLVED: To avoid the slant rotation of a handle to a box and reduce the frequency of dropping of the box unexpectedly in the state that sheets can be easily taken in and out into and from the box when the box storing sheets such as mask sheets is to be carried by holding a gate-type handle and lifting the same. SOLUTION: Both vertical levers 14a of a handle 14 are pivotally attached on both side face plates 11b and 11d provided separately from both side face plates 11a and 11c with vertical channels 12 on a box by pin shafts 16, and both vertical levers 14a are bent into the doglegged shape from the side face view. Also a stopper 17 for controlling the slant rotation of the handle 14 to the side of one end 11' of the box so that a lateral bar on the upper end is positioned right above a side face plate 11a with the vertical channels 12 is provided.</p> |
