| 摘要 |
<p>The shaft rod has latching unit that is located on the base portion (12). A stiffening rod (26) is provided with primary portion and secondary portion. The width of primary portion is different from width of secondary portion. The primary portion of the stiffening rod is attached to the receiving space (25a,25b) by the locking unit of the base portion. An independent claim is included for stiffener device for stiffening of base portion of frame stave.</p> |
