Automatic toilet seat assembly

An automatic toilet seat assembly for installation on a toilet having a toilet bowl and a toilet tank, the assembly comprising:

• a lid section defining a lid enclosure;
• a seat section hingedly coupled to the lid section;
• a power pack positioned rearward of the seat section;
• a plurality of brush assemblies disposed within the lid enclosure;
• each brush assembly including bristles and being rotatable about a longitudinal axis along a brush rotation travel path;
• a carrier mechanism rotatably mounted within the lid enclosure and supporting the plurality of brush assemblies, the carrier mechanism being configured to rotate collectively about a secondary axis along a brush array rotation travel path;
• a flexible joint disposed within each brush assembly and permitting angular deflection of a distal bristle-supporting portion relative to a proximal drive portion;
• a dispensing interface in fluid communication with a tubing line configured to deliver cleaning chemical and/or water to the brush assemblies;
• a reservoir disposed within the power pack and configured to store the cleaning chemical;
• a motor system disposed within at least one of the lid section or the power pack and configured to drive rotation of the brush assemblies and rotation of the carrier mechanism;
• a seat movement actuator configured to raise and lower the seat section;
• and,
• an outer seal disposed along a perimeter of the lid enclosure and configured to form a containment barrier against an upper edge of the toilet bowl when the lid section is lowered.