Patent ID: 7874775

Claim:
A fastening device to be fitted into a support part, said fastening device comprising: a cover plate; and a pair of clamping arms joined to said cover plate on opposite marginal sides of said cover plate and disposed opposite each other, each said clamping arm including an inner leg proximate the other respective said clamping arm, and an outer leg disposed remote from the other respective said clamping arm and connected by a tie portion to an end of said inner leg remote from said cover plate, said outer legs each further including a bracing structure at an end thereof proximate said cover plate, said bracing structure including a pair of flat side cheeks joined to mutually opposite side margins of a respective said outer leg and extending toward the other said clamping arm, and each said inner leg including a receiving opening, said side cheeks respectively engagable within said receiving openings and further comprising, on sides of said side cheeks remote from said cover plate, back sides oriented approximately at right angles to a longitudinal direction of said clamping arms and disposed opposite bracing projections that enter into said receiving openings.