Patent ID: 6390007
Filing Date: 2002-05-21
Classification: B63B

Abstract:
In combination with a drain plug for an opening in a boat, wherein the drain plug may be expanded to provide a seal in the opening in the boat and wherein the drain plug may be contracted and removed from the opening in the boat, the improvement comprising:a cylindrical sleeve disposed in the opening in the boat, the drain plug being received in the cylindrical sleeve, the sleeve having an inner end portion within the boat, an inner end of the drain plug having a protrusion formed thereon, a through opening being formed transversely in the protrusion, a V-shaped retainer having a bight portion, the bight portion of the retainer being received in the through opening in the protrusion such that the drain plug is secured to the retainer, the retainer further having a pair of bifurcated diametrically-opposed arms, each arm terminating in a projecting hook oriented toward the bight portion, such that when the drain plug is contracted and removed from the sleeve in the boat, the respective hooks on the ends of the arms engage over the inner end portion of the sleeve, thereby preventing loss of the drain plug even though the drain plug may be completely removed from the sleeve in the opening.