| 摘要 |
A clamp for a universal beam 18, the clamp including a hook means 1 and at least one locking plate 8 with a stepped inner edge which is disposed on a support bar 2 and adapted for relative slidable adjustment over a range of beam 18 configurations whereby in use the clamp can be attached to the beam 18 by the slidable adjustment to engage respective beam flanges 19, 20 with the hook means 1 and the stepped inner edge of the at least one locking plate 8 in a manner to obtain a rigid load bearing beam mounting for the support bar 2.
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