Flexible plastic closure mechanism and container

Details Flexible plastic closure mechanism and container Flexible plastic closure mechanism and container

1980-10-31

1982-02-09

Hall, George T.

Receptacles

Closures

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

220339, 220210, B65D 4516

Patent

active

043146511

ABSTRACT:
A one-piece plastic closure mechanism is provided which incorporates two flexible living hinge sections so that the leaves of the closure mechanism can pivot through the angles required for locking and unlocking a container cover from a container base. The closure mechanism may be attached to the base by screws, staples, or the like or may be integrally molded with the container to eliminate any post-molding assembly steps. One leaf of the closure mechanism contains a slot which engages a protrusion such as a tab on the container cover to lock the cover and base when the mechanism is closed. The container is designed so that individual containers are nestable for shipment, storage, and display. The interior of the container cover is provided with a clip for holding a writing implement and with a series of vertically upstanding ridges so that documents can be viewed in an upright position when the container is open.

REFERENCES:
patent: 3923152 (1975-12-01), Minneman
patent: 3966076 (1976-06-01), Kroger et al.
patent: 4079880 (1978-03-01), Edwards

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