Patent ID: 7188746

Claim:
A container comprising a bottom, a top said top comprising an opening, and four side walls depending from said top and connecting said top with said bottom, said container further comprising a moveable lid hingedly attached at a hinging axis to said top for movement between closed and open positions over said opening, a catch mechanism for maintaining said closure in said closed position, a catch member disposed on said top generally opposite the region of the hinging axis of said lid said catch member when depressed releasing said catch mechanism, juxtaposed lugs provided respectively on said top and said lid in the region of the hinging axis of said lid, each lug having at or adjacent its free end a receptor, and an elastic link located in and extending between said receptors of said lugs, said receptors of said lugs being arranged such that said elastic link is strained when said lid is at its closed position, the straining of said elastic link varying as said lid is moved between its closed and open positions wherein said variation in strain moves said lid from said closed position to said open position upon depression of said catch member and corresponding release of said catch mechanism.