Abstract: A conveyor belt scraper comprising an elongate frame defining an elongate aperture; at least one elongate scraper blade member guided for movement within and transversely to the aperture so that it can move towards and away from a belt to be cleaned; mounting structure provided towards each end of the frame for mounting the frame with respect to a belt to be cleaned; a spring support pivotally connected to the frame; and a leaf spring supported on the spring support, the spring support and the spring being arranged such that the spring engages the scraper blade member and biases it, in use, outwardly of the aperture and towards a belt being cleaned. The belt scraper is open to facilitate cleaning and minimize the collection of undesirable fluids and dirt which can cause corrosion and interfere with the smooth functioning of the blade biassing components.