| 摘要 |
Device making it possible to keep a scaffolding tube in a curved U-shaped collar provided with a wedge. It comprises a U-shaped collar 1 in which is placed a scaffolding tube 2 traversed right through by a wedge 4. On an external face is placed a locking device composed of a bent rod or rod with a ring 8, with a compressed internal spring 9, which rod and spring are placed in a cylindrical support 10 allowing the device to be closed by passing the rod into an oblong hole 11. The two collars are joined together by a bolt 12 placed in a hole 13 produced at the base of the collar which comprises a shoulder 14. This device may be used in the field of construction, on work sites, for scaffolding intended to support walkways, or any other construction element.
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