Patent ID: 7712157

Claim:
A hinge assembly for connecting a covering member to a toilet base, the toilet base being of a type having two spaced apart mounting holes on an upper rearward surface of the toilet base, the hinge assembly comprising: a mounting plate mountable on an upper rearward surface of the toilet base, and having two spaced apart through holes and two lateral wings, wherein said mounting plate is sufficiently elongated to extend over both of said mounting holes, and wherein each of said lateral wings further comprises an undercut; fasteners extendible through the through holes and then into the mounting holes to mount the mounting plate thereon; a hinge base member adapted to support the covering member in a pivotal fashion, the hinge base member having a pair of essentially horizontally extending extension arms defining in part an opening for receiving the mounting plate therebetween, wherein each of said arms has an inwardly projecting ledge disposed on its inward side; and a lid pivotably mounted on the hinge base member to pivot relative to the hinge base member between a first position where a rearward portion of the lid is positioned behind a portion of the mounting plate and a second position where it is not; wherein when said lateral wings of the mounting plate are slid into engagement with said hinge base member the arms of the hinge base member are located under said undercuts of said lateral wings such that the lateral wings of the mounting plate are located above said ledges of said arms and the hinge base member is thereby restricted from upward movement relative to the mounting plate; wherein accommodation of the mounting plate between said arms of the hinge base member is facilitated due to arm lateral flexibility; and wherein when the lid is in the first position it restricts forward movement of the hinge base member relative to the mounting plate.