Patent ID: 8347579
Filing Date: 2013-01-08
Classification: E04B,E04H

Abstract:
1. A semi-butterfly connecting clamp, comprising: a bearing plate; two L-shaped clamp wings provided at two ends of a side of said bearing plate, respectively, wherein each of said clamp wings and said bearing plate form a U-shaped notch, each of said clamp wings, integrally formed, comprises: two inverse L-shaped self-locking blocks, each of which comprising: two bolts, each of which being fastened with said locking bolt hole together through said through hole of said self-locking block; and two springs, whereby, each of said self-locking blocks is fastened with said self-locking fastening plate by each of said bolts penetrating through said through hole of said transverse rod, each of said springs and said locking bolt hole of said wedge-shaped piece.