| 摘要 |
A metal automobile frame (1) having a number of extruded, constant-section linear bars (2) welded to one another at structural nodes defined by connecting bodies (3) with pockets for housing the linear bars (2) ; a pierced linear bar (2b) has a number of tabs (7) , each of which is located inside the pierced linear bar (2b) , extends perpendicularly from a side (4) of the pierced linear bar (2b) , and is sized so as not to interfere with the opening (6) in the pierced linear bar (2b) . |
