Patent ID: 6663449
Filing Date: 2003-12-16
Classification: B63H

Abstract:
A through-hull inboard propeller drive comprising:an upper subassembly, a lower subassembly, a drive shaft, a driven shaft, a chain, a drive sprocket, a driven sprocket said upper and lower subassemblies being connected, said drive sprocket being mounted on said drive shaft, said drive shaft and drive sprocket being carried in said upper subassembly, said driven sprocket being mounted on said driven shaft, said driven shaft and driven sprocket being carried in said lower subassembly, said chain interconnecting said drive and driven sprockets, said drive and driven sprockets being a distance apart and parallel, said upper subassembly further comprising apparatus for adjustment of said distance, said drive and driven shafts being constrained to remain parallel during said adjustment of said distance and being parallel when said adjustment is complete.