Robert B Schiavi

US Patent:

2011019, Aug 11, 2011

Filed:

Nov 29, 2010

Appl. No.:

12/955363

Inventors:

John C. CHAPMAN - Clifton Park NY,
Gilbert P. POWELL - Granville NY,
Robert B. SCHIAVI - Porter Corners NY,
James F. DUNN - Troy NY,

Assignee:

AQUATIC DEVELOPMENT GROUP, INC. - Cohoes NY

International Classification:

E04H 4/00

US Classification:

4505

Abstract:

A swimming pool bulkhead is disclosed. The bulkhead includes a substructure having a metallic frame, a pair of support assemblies mounted to opposite ends of the metallic frame of the substructure, and a superstructure having a non-metallic frame mounted to the substructure. A buoyancy chamber for a swimming pool bulkhead is also disclosed. The buoyancy chamber includes a substantially fluid-tight, cylindrical chamber, an air input conduit operatively connectable to a source of pressurized air, an air discharge conduit having an inlet in the chamber, and means for varying an elevation of a water level in the chamber to vary the buoyancy of the chamber. A method for controlling the buoyancy of a bulkhead is also provided.