Patent ID: 7451778

Claim:
A connector for an expandable gas or fluid distribution system, comprising: a male part of the connector formed on a first surface of a device of the expandable gas or fluid distribution system, the male part of the connector having at least two protrusions extending from a cylindrical barrel; a female part of the connector formed in a second surface of a device of the expandable gas or fluid distributions system, the female part of the connector having a first inner cylindrical surface and at least two lips extending inward from the first inner cylindrical surface, wherein the at least two lips form openings that correspond to the at least two protrusions extending from the cylindrical barrel of the male part of the connector; wherein the at least two protrusions of the male part of the connector extending from the cylindrical barrel form ramps configured to act against the at least two lips of the female part of the connector to force the two parts of the connector together when one part of the connector is rotated with respect to the other part of the connector; and wherein the at least two protrusions extending from the cylindrical barrel are not symmetrically spaced around the cylindrical barrel.