Patent ID: 6626123
Filing Date: 2003-09-30
Classification: B63B

Abstract:
A self penetrating boat anchor for engaging the bottom beneath a body of water and restraining movement of a boat, comprising:an elongated shank having a pivot end and a distal end, an elongated stock having opposed ends and connected intermediate its ends to said pivot end of said shank with its length extending normal to the length of said shank, a pair of flukes straddling said shank, said flukes each including a proximal end connected to said stock and a distal end for penetrating the bottom beneath a body of water, a crown mounted to said proximal ends of said flukes and extending about said pivotal end of said shank, said crown, flukes and stock being rigidly connected to one another and pivotally connected to said shank, said crown shaped to limit the pivoting of said shank to acute angles to either side of said flukes, the improvement therein of: said shank and stock composed of ferrous material, and said flukes and crown composed of a metal selected from the group consisting essentially of aluminum, titanium, and magnesium, whereby the mass of the shank and stock is greater than the mass of the flukes and crown, and the overall weight of the anchor is less than a duplicate anchor having all of its components composed of ferrous material.