Patent ID: 8070541

Claim:
A protective system for underwater installation on the propeller of a boat, the boat having a waterline, the propeller having blades with front and rear surfaces, comprising: a flexible material comprising first and second opposed panels having at least one common closed edge and at least one common one open edge, the panels sized and shaped so as to be capable of enclosing the front and rear surfaces of the blades of the propeller; a member for maintaining the flexible material in a state enclosing the propeller; and a link having first end and a second end, the first end attached to at least one of the member and the flexible material, the link having sufficient length such that when the flexible material is enclosed about the propeller and maintained in place with the member the second end of the link extends to a location proximate to the boat at or above the waterline of the boat wherein the link can be retrieved by a user of the boat; wherein the link and member are constructed and arranged wherein a tug on the link by the user releases the flexible material from the propeller permitting the retrieval of the link, the member and the flexible material as a unit from the propeller without the aid of a diver; and wherein the member is selected from the group consisting of a clamp and a ring.