Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1994-02-02
1996-08-27
Scherbel, David
Receptacles
Closures
Having means for securing or retaining closure in its closed...
220908, 220254, B65D 4316
Patent
active
055492142
ABSTRACT:
A flap 10 has a first portion 11 flexibly connected to a lid 2 and a second portion 13 connected to the first portion 11 by an integral flexible hinge strip 14. The second portion also 13 carries pivot pins 15 which locate into an upstanding rim 16 of the lid portion 2. These pivot pins are slightly offset vertically and horizontally from the flexible hinge 14 thus enabling the flap 10 to be toggled between two stable conditions. In the first of these the hinge 14 is snapped to a position above the pivot pins 15 thus pressing the second flap portion 13 positively down into the opening 6. If pressure is applied to the first portion 11 the flexible hinge 14 will be forced down past and below the pivot pins 15 thus causing the second flap portion 13 to flip upwardly into the alternative stable condition.
REFERENCES:
patent: 1007429 (1911-10-01), Canepa
patent: 2195593 (1940-04-01), Kreisler
patent: 3419198 (1968-12-01), Petterson
patent: 3845872 (1974-11-01), Towns
patent: 3964609 (1976-06-01), Perrella
patent: 4717018 (1988-01-01), Sacherer et al.
patent: 4736858 (1988-04-01), Shastal
patent: 5107990 (1992-04-01), Wicherski
patent: 5201417 (1993-04-01), Outlaw
patent: 5273177 (1993-12-01), Campbell
patent: 5346086 (1994-09-01), Hanis
Frontier Plastics (South Wales) Limited
Scherbel David
Till Terrence R.
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