| 摘要 |
Spacing-beam segments formed from a single piece of sheet metal. Each segment is formed with a crowned horizontal portion and a depending spacer foot at one of the ends of the segment. Openings are formed on the horizontal beam portion adapted to receive lugs formed at the other end of the beam portion. The lugs interlock with the openings to join adjacent segments to form an elongated beam. The spacing feet provide a space between the surface supporting the feet and a floor or roof supported by the segmented beam.
|
