Abstract: A clamping buckle for a belt comprising a horizontally extending vertical buckle plate having a convex front surface, a concave rear surface, upper and lower horizontally extending integral flanges extending rearwardly from the buckle plate, the flanges having upper and lower surfaces, a first horizontal pivot plate attached to the upper surface of the lower flange, a second horizontal pivot plate attached to the lower surface of the upper flange, each pivot plate having a pair of horizontally spaced pivot holes, first and second vertical leaf members each having an inner vertical edge located adjacent and parallel to the rear surface of the buckle plate, each leaf member being formed with a vertical slot therein, each leaf member having lugs at upper and lower ends of the vertical edge thereof, the lugs of the first leaf member being received in a first pair of opposed pivot holes in the upper and lower pivot plates, the lugs of the second leaf member being received in a second pair of opposed pivot holes in