Portable Knockdown Boat Hoist

摘要

a portable knockdown boat hoist for lifting boat from boat trailer or other resting location. Comprising of two A-frame structures positioned over the bow and stern of the boat. Each A-frame unit consists of two splayed legs on each side of the boat connected by a crossmember running over the top of the boat. At each side of the boat attached to one leg is a winch with a block and pulley connected by cable to the winch. Cranking up on the winch pulls up a lifting strap running underneath the hull of the boat, which in turn lifts the boat. The A-frame structures are comprised of tube sections that insert one end into the next section. A-frame units can be disassembled for transporting to boat location for lifting.

主权项

1. A portable knockdown boat hoist comprising:
Two identical A-frame structures each elongated on the top with a crossmember Each said A-frame structure having a pair of splayed legs with each said pair of splayed legs secured by tension chains. Each said A-frame structure has a winch and cable attached to one leg on each side of said A-frame structure. With each said winch and cable engaging a pulley system. Each said pulley system is attached to the end of the lifting strap. Whereby said A-frame structures are positioned over the bow and stern of a boat with said lifting straps running under the hull of said boat. Activation of said winches and cable acting upon the said pulley system in turn lifts said boat.