TOOTH AND ADAPTOR FOR DREDGING MACHINE

摘要

The invention relates to a tooth for a dredging machine, comprising a tip (11) and a nose (12) for coupling same to an adaptor (20). The nose includes a lower base body (16) having a cross-section formed by at least four sides and an upper surface (120) which converges in the direction of the lower surface (123) towards the end of the nose (12) located farthest from the tip (11). The upper surface (120) is provided with an upper trapezoidal attachment (15), the upper (153) and lower (154) ends of which also converge in the direction of the end of the nose. The upper attachment (15) and the base body (16) have an equal maximum cross-section at a point from which the lower surface (123) and the upper end (153) converge in the direction of the tip. A flange having a constant or variable cross-section can be provided between the nose (12) and the tip (11). The tooth is fixed to the blades of the dredger propeller using an adaptor (20) having a cavity that matches the nose (12) of the tooth and a pin (30) which extends through the corresponding vertical housings in the nose (12) of the tooth and adaptor.