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US 4,304,353 AGranted
Container with latching structure
AssigneeCrown Zellerbach Corporation
InventorRay H. Stollberg
Life of this patent
Estimating the term…
Abstract
A container of corrugated paperboard or the like comprising the combination of a box body having a bottom wall and interconnecting side walls and resilient wedge-shaped latch means attached to the box body and positionable in the aperture of a cover when the cover is positioned over the interior of the box body whereby the cover is retained by the latch means.
Claims5
A container comprising the combination of:
- a box body having a bottom wall and interconnecting side walls defining a box interior;
- a cover for said box body having at least one aperture formed therein;
- and
- latch means comprising a tab attached to at least one of said side walls, and tab positionable through said cover aperture with a portion thereof extending beyond said cover when said cover is positioned over said box interior and having a lock flap hingedly connected to the remainder of said tab along a hinge line formed in the tab, said lock flap including a projection and shoulder means and adapted to be folded along said hinge line to extend downwardly adjacent the remainder of said tab with said projection positionable in said cover aperture and said shoulder means engaging the upper surface of said cover to retain said cover on said box body, said lock flap being continually biased away from the remainder of said tab after being folded about the hinge line to maintain said tab projection in said aperture.
1 more element
A container comprising the combination of:
- a box body having a bottom wall and interconnecting side walls defining a box interior;
- a cover for said box body having at least one aperture formed therein;
- and
- at least one tab extending upwardly from said side walls, said tab including a lock flap having a projection and shoulder means, said lock flap being resiliently hingedly connected to the remainder of said tab, said tab adapted to extend through said cover aperture when said cover is positioned over said box interior and, said lock flap being adapted to be bent downwardly adjacent the remainder of said tab with the projection resiliently positioned in the aperture and the shoulder means in engagement with said cover to retain said cover on said box and resist upward movement thereof.
1 more element
Dependencies are inferred from the claim text.