Patent ID: 7918500
Filing Date: 2011-04-05
Classification: B62J

Abstract:
1. A quick-mount frame structure comprising: at least one shell of elastically deformable material having a top user-supporting surface and a bottom surface, said shell having a front portion and a rear portion with corresponding first outer peripheral edges; saddle rails for attachment of said shell to a movable or stationary support, said rails having a second outer peripheral edge and comprising a substantially rigid body with a substantially annular continuous shape; means for stable connection between said rails and said shell, said connection means including snap engagement means at least at one of said front and said rear portions of said shell for quick connection between the shell and the rails, wherein said snap engagement means are formed on both said front and said rear portion of said shell, said snap engagement means comprising at least one portion of said first outer peripheral edges of said shell that project downwards from said bottom surface at the longitudinal front and rear ends of said shell and that are at least partly undercut with respect to said second outer peripheral edge of said rails by a sufficient amount to form inner concave surfaces, such to allow easy assembly of said shell and said rails by snapping said snap engagement means over at least a portion of said saddle rails.