Patent ID: 8783201

Claim:
A retrievable anchor system comprising: an anchor having a top and a bottom, the anchor comprising an elongated central shank having a top end and a bottom end; an elongate flexible member for suspending the anchor from a boat, the flexible member having a base end and a securing end, the base end being substantially permanently fixed to the bottom end of the central shank of the anchor; a dual attachment assembly releasably attaching a location on the flexible member to a location on the central shank located toward the top of the anchor, the location on the flexible member being separated from the base end of the flexible member, the dual attachment assembly comprising: a primary attachment structure forming a directional attachment between the flexible member and the central shank; and a secondary attachment structure forming a frangible attachment of the flexible member to the central shank; wherein the primary attachment structure comprises a hook element mounted on the central shank towards the top end and configured to engage a portion of the flexible member; wherein the hook element opens in a direction toward the bottom end of the central shank to allow the flexible member to be released from the hook element when the flexible member is pulled toward the bottom end.