Cover with spring opened lid

Details Cover with spring opened lid Cover with spring opened lid

1976-05-10

1977-08-23

Norton, Donald F.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

B65D 4316

Patent

active

040434800

ABSTRACT:
An attache case, or cassette-carrying case of rectangular, cubical configuration has a tray-like bottom and an inverted tray-like lid, hingedly connected thereto along one pair of juxtaposed rims, and has latching, or locking, mechanism along the opposite pair of juxtaposed rims. A leaf spring of thin material, bent into an S shape, is hidden behind the lining of the case, with a lower portion permanently, or detachably, affixed, below the hinge, to the rear wall of the bottom and the upper portion extending above the hinge and along the rear wall of the lid to spring the lid open upon release of the latch.

REFERENCES:
patent: 2483304 (1949-09-01), Vogel
patent: 2490746 (1949-12-01), Carpenter
patent: 2581615 (1952-01-01), Whitelaw

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