Container having a self-locking lid

Details Container having a self-locking lid Container having a self-locking lid

1981-08-26

1983-06-21

Ross, Herbert F.

Envelopes, wrappers, and paperboard boxes

Wrapper

Bottle

229 44R, 206509, B65D 4500, B65D 566

Patent

active

043890130

ABSTRACT:
A container suitable for fruit and vegetable produce has a lid with a multipoint friction lock for retaining the lid closed on the container body provided by a stacking tab projecting from the perimeter of the body opening having undercut side edges and an aperture facing toward such opening while the lid has a notch located for the stacking tab to engage therein when the lid is closed, the ends of such notch being spaced to engage beneath the undercut side edges of the stacking tab and the notch providing a locking portion intermediate such notch ends to engage in the stacking tab aperture in the closed position of the lid. Preferably, the material of the lid is diagonally scored to facilitate bending the lid for interengagement of the stacking tab and notch, and to accommodate moderate overfilling of the container.

REFERENCES:
patent: 2633285 (1953-03-01), Keller
patent: 2736487 (1956-02-01), George
patent: 3010638 (1961-11-01), Forrer
patent: 3623650 (1971-11-01), Watts
patent: 3713579 (1973-01-01), Chaffers
patent: 3921896 (1975-11-01), Ishimura
patent: 4187977 (1980-02-01), Boykin
patent: 4245773 (1981-01-01), Stollberg
patent: 4277015 (1981-07-01), Crane
patent: 4291830 (1981-09-01), Sorensen

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