Patent ID: 9221522
Filing Date: 2015-12-29
Classification: B63B,Y10T

Abstract:
1. A vent cap system, comprising: a top plate having a center top plate hole; a center stem assembly being comprised of a center stem handle, and a threaded center stem bolt body, said center stem handle being mounted on an end of said threaded center stem bolt body above said top plate, said threaded center stem bolt body extending through said top plate; retainer assembly being comprised of a nut retainer plate with a retainer center hole, and a stem nut contained in said retainer center hole, said stem assembly threadedly engages said nut retainer plate in said retainer center hole; a bottom plate being comprised of a stem retainer, a bottom alignment pin and a sealing means, said stem retainer being centered on a top surface of said bottom plate and removably attached to a terminal end of said threaded center stem bolt body, said bottom alignment pin being in alignment with said threaded center stem bolt body and said center top plate hole and extending downward from a bottom surface of said bottom plate, said sealing means being on an outer circumference of said bottom plate; a flange assembly having a connection end and a flanged end, said connection end being oriented adjacent a suction pile for installation, said flanged end facing said bottom plate, wherein said flanged end removably engages said bottom plate, and wherein said flange assembly is comprised of a rod guide disposed within said flange assembly toward the connection end, said rod guide being comprised of a frame with a center frame hole aligned with said bottom alignment pin; and a plurality of perimeter stem assemblies, each perimeter stem assembly being arranged on a perimeter of flanged end of said flange assembly so as to maintain position of said top plate relative to said flange assembly during raising and lowering of said bottom plate between an opened position and a closed position.