Patent ID: 9132897
Filing Date: 2015-09-15
Classification: B63B,B63C

Abstract:
1. A boat lift, comprising: a boat lift frame constructed and arranged to receive a boat hull on an upper surface thereof; a hinged frame section hingably connected to a front end of the boat lift frame and hingably connected to a bulkhead; a first plurality of flotation tanks positioned under a first side of the boat lift frame; a second plurality of flotation tanks positioned under a second side of the boat lift frame; a first trunk line in hydraulic communication with each of the first plurality of floatation tanks, the first trunk line being positioned generally longitudinally under the boat lift frame, the first trunk line comprising a water receiving port that opens near a rear of the first trunk line and opposite the bulkhead, the first trunk line comprising a valve that regulates opening and closing of the water receiving port of the first trunk line; a second trunk line in hydraulic communication with each of the second plurality of floatation tanks, the second trunk line being positioned generally longitudinally under the boat lift frame the second trunk line comprising a water receiving port that opens near a rear of the second trunk line and opposite the bulkhead, the second trunk line comprising a valve that regulates opening and closing of the water receiving port of the second trunk line; and a water pump constructed and arranged to communicate with the first plurality of flotation tanks and the second plurality of flotation tanks and pump water from the first plurality of flotation tanks and from the second plurality of flotation tanks.