| 摘要 |
<p>A support system securable between pairs of metal bar joists or beams includes one or more end brackets secured to the top of a first bar joist at one end, and another corresponding number of end brackets secured to the top of a second bar joist opposite the first two end brackets. One or more elongate bars span the distance separating the bar joists. Each elongate bar is secured to one of the end brackets secured to the first bar joist at a first end, and to the respective, aligned end bracket secured to the second bar joist at a second end. Cross members, each defined by a pair T-shaped bracket assemblies having cross bars secured thereto, are secured between the elongate bars.</p> |
