| 摘要 |
<p>PURPOSE: To secure safety without increasing the number of part items and installing labor. CONSTITUTION: A handle receiving plate 19 on/from a tip part of an operation handle 15 is locked/released, is fixed to a lower half part of a baseplate 18 fixed to a side surface door 5, and a handle stopper plate 21 is pivotally fixed to an upper end part of the baseplate 18 by a horizontal pivot 24. The handle receiving plate 19 and a cover plate part 33 to check an escape of the operation handle 15 from the handle receiving plate 19 by surrounding the tip part of the operation handle, are arranged in a lower half part of a handle stopper plate 21. An inclined face wall part 33a inclining in the advancing direction of a freight truck so as to approach the side surface door 5 as it proceeds to the tip, is arranged in the cover plate part 33.</p> |
