Patent ID: 8069594

Claim:
A clamping piece structure characterized by comprising a one-piece clamping piece body, with the body including a first folding piece portion, a second folding piece portion, a third folding piece portion, and a connecting piece portion, with the first, second, and third folding piece portions having substantially a same width, with a first bending portion provided at a central section of an edge of the first folding piece portion for interconnection with the connecting piece portion, with a second bending portion provided at another edge of the first folding piece portion for interconnection with the second folding piece portion, with a third bending portion provided at an edge of the second folding piece portion for interconnection with the third folding piece portion, with the connecting piece portion including a main section having a width approximately the same as the width of the first, second, and third folding piece portions, with an opening formed in a central section of the second folding piece portion, with an engagement section provided at an outer edge of the connecting piece portion, with the connecting piece portion insertable through the opening, with a fourth bending portion provided between the engagement section and the main section of the connecting piece portion, with the engagement section of the connecting piece portion engaged with a rear face of the third folding piece portion.