Patent ID: 6145464
Filing Date: 2000-11-14
Classification: B63B

Abstract:
A Danforth type anchor comprising a base unit; a pair of flat plate flukes projecting horizontally outward from both sides of the base unit, extending forward to form sharp front ends, and being made integral with the base unit; a shank joined at its base end portion to the base unit so as to turn in a plane of pivotal movement which is at right angles to a reference plane in which the flukes extend, passing through the clearance between the flukes; and an orientation control rod provided in the base unit, projecting horizontally outward from both sides thereof,the base unit including (A) two parallel flat plate-like support base plates each of which is formed of (i) a front portion extending at right angle to the reference plane in which the flukes extend and having upper and lower edges inclined outward toward rear end thereof, and (ii) a rear end portion formed integrally with the front portion, having upper and lower edges inclined in a further outward directions than the extension lines of the upper and lower edges of the front portion; and (B) a pair of secondary guide plates fixed to the inclined upper and lower edges of the rear end portions of the support base plates and extending to project rearward outward from the rear ends of the support base plates.