Modular carrier with handle interlock

Claim 2

A carrier usable both as a single unit and interlockable with a duplicate companion carrier, said carrier being formed of foldable sheet material and comprising an upwardly opening basket including laterally spaced first and second generally planar side walls, a handle over said basket, said handle including opposed first and second side panels comprising upwardly directed extensions of said first and second side walls respectively, a handle wall fixed to and extending transversely between said side panels and across said basket, a latch lug on said first side panel and a latch aperture defined through said handle wall immediately adjacent said latch lug, said latch lug and said latch aperture being interlockable with a similar aperture and lug respectively on the companion carrier for a joining of said carrier and the companion carrier, said latch lug extending from said first side panel generally within the plane of said first side wall and in spaced relation above said basket, and locking means on said handle wall for engaging an aperture-received latch lug of the companion carrier for restricting withdrawal of the engaged latch lug from said aperture, said locking means comprising a locking flap formed from said sheet material and at least partially overlying said latch aperture, said flap being resiliently flexible to resiliently retract from said aperture and allow introduction of a latch lug through said aperture.

Claim 3

A carrier usable both as a single unit and interlockable with a duplicate companion carrier, said carrier being formed of foldable sheet material and including an upwardly opening basket with opposed first and second side walls in laterally spaced planes and opposed end walls extending between and joining said side walls, said side and end walls prepresenting continuous projecting-free outer surfaces, a handle over said basket, said handle including opposed first and second side panels comprising coplanar vertical extensions of said first and second side walls respectively, said side panels having vertical inner edges transversely aligned across said basket, and a handle wall fixed to and extending transversely between said inner edges and across said basket, a latch lug on said first side panel and a latch aperture defined through said handle wall immediately adjacent said latch lug, said latch lug and said latch aperture being interlockable with a similar aperture and lug respectively on the companion carrier for a joining of said carrier and the companion carrier, said latch lug extending from said first side panel inner edge within the plane of said first side panel and in vertically spaced relation above said basket, and locking means on said handle wall for engaging an aperture-received latch lug of the companion carrier for restricting withdrawal of the engaged latch lug from said aperture, said locking means comprising a locking flap formed from said sheet material and at least partially overlying said latch aperture, said flap being resiliently flexible to resiliently retract from said aperture and allow introduction of a latch lug through said aperture.

Claim 4

A carrier usable both as a single unit and interlockable with a duplicate companion carrier, said carrier being formed of foldable sheet material and including an upwardly opening basket with opposed first and second side walls in laterally spaced planes and opposed end walls extending between and joining said side walls, said side and end walls prepresenting continuous projecting-free outer surfaces, a handle over said basket, said handle including opposed first and second side panels comprising coplanar vertical extensions of said first and second side walls respectively, said side panels having vertical inner edges transversely aligned across said basket, and a handle wall fixed to and extending transversely between said inner edges and across said basket, a latch lug on said first side panel and a latch aperture defined through said handle wall immediately adjacent said latch lug, said latch lug and said latch aperture being interlockable with a similar aperture and lug respectively on the companion carrier for a joining of said carrier and the companion carrier, said latch lug extending from said first side panel inner edge within the plane of said first side panel and in vertically spaced relation above said basket, and locking means on said handle wall for engaging an aperture-received latch lug of the companion carrier for restricting withdrawal of the engaged latch lug from said aperture, said locking means comprising a locking flap formed from said sheet material and at least partially overlying said latch aperture, said flap being resiliently flexible to resiliently retract from said aperture and allow introduction of a latch lug through said aperture.

Claim 5

The carrier of claim 2 wherein said latch lug includes an enlarged head portion outwardly spaced from said first side panel inner edge, and a narrower neck portion joining said head portion to said first panel inner edge, said latch aperture including an enlarged head portion and a narrower neck portion, said aperture head portion being transversely spaced from said first side panel inner edge and of the same general size as said lug head portion to allow passage of the lug head portion of the duplicate companion carrier there through, said aperture neck portion extending from said aperture head portion toward said first panel inner edge to accommodate the lug neck portion and preclude passage of the lug head portion of the companion carrier when joining said carrier and the companion carrier, said latch lug including a degree of flexible resiliency whereby said lug can flex out of the plane of said first side panel for passage through the head portion of the latch aperture of the companion carrier and resiliently return toward the plane of said first side panel to align with the neck portion of the latch aperture of the companion carrier.

Claim 6

The carrier of claim 3 wherein said locking flap is integral with said handle wall spaced from said first side panel and includes a free edge adjacent said first side panel for engagement against an aperture-received latch lug.

Claim 7

The carrier of claim 4 including a finger grip opening defined through said handle wall vertically spaced above said latch lug and said latch aperture whereby a pair of joined carriers can be manually grasped above the carrier joining lugs and apertures.

Claim 8

The carrier of claim 5 wherein said latch lug and said latch aperture comprise the sole means for joining said carrier and the companion carrier.

Claim 9

A carrier usable both as a single unit and interlockable with a duplicate companion carrier, said carrier being formed of foldable sheet material land including an upwardly opening basket with opposed first and second side walls in laterally spaced planes and opposed end walls extending between and joining said side walls, said side and end walls presenting continuous projecting-free outer surfaces, a handle over said basket, said handle including opposed first and second side panels comprising coplanar vertical extensions of said first and second side walls respectively, said side panels having vertical inner edges transversely aligned across said basket, and a handle wall fixed to and extending transversely between said inner edges and across said basket, a latch lug on said first side panel and a latch aperture defined through said handle wall immediately adjacent said latch lug, said latch lug and said latch aperture being interlockable with a similar aperture and lug respectively on the companion carrier for a joining of said carrier and the companion carrier, said latch lug extending from said first side panel inner edge within the plane of said first side panel and in vertically spaced relation above said basket, said latch lug including an enlarged head portion outwardly spaced from said first side panel inner edge, and a narrower neck portion joining said head portion to said first panel inner edge, said latch aperture including an enlarged head portion and a narrower neck portion, said aperture head portion being transversely spaced from said first side panel inner edge and of the same general size as said lug head portion to allow passage of the lug head portion of the duplicate companion carrier there through, said aperture neck portion extending from said aperture head portion toward said first panel inner edge to accommodate the lug neck portion and preclude passage of the lug head portion of the companion carrier when joining said carrier and the companion carrier, said latch lug including a degree of flexible resiliency whereby said lug can flex out of the plane of said first side panel for passage through the head portion of the latch aperture of the companion carrier and resiliently return toward the plane of said first side panel to align with the neck portion of the latch aperture of the companion carrier.

Claim 10

A carrier usable both as a single unit and interlockable with a duplicate companion carrier, said carrier being formed of foldable sheet material land including an upwardly opening basket with opposed first and second side walls in laterally spaced planes and opposed end walls extending between and joining said side walls, said side and end walls presenting continuous projecting-free outer surfaces, a handle over said basket, said handle including opposed first and second side panels comprising coplanar vertical extensions of said first and second side walls respectively, said side panels having vertical inner edges transversely aligned across said basket, and a handle wall fixed to and extending transversely between said inner edges and across said basket, a latch lug on said first side panel and a latch aperture defined through said handle wall immediately adjacent said latch lug, said latch lug and said latch aperture being interlockable with a similar aperture and lug respectively on the companion carrier for a joining of said carrier and the companion carrier, said latch lug extending from said first side panel inner edge within the plane of said first side panel and in vertically spaced relation above said basket, said latch lug including an enlarged head portion outwardly spaced from said first side panel inner edge, and a narrower neck portion joining said head portion to said first panel inner edge, said latch aperture including an enlarged head portion and a narrower neck portion, said aperture head portion being transversely spaced from said first side panel inner edge and of the same general size as said lug head portion to allow passage of the lug head portion of the duplicate companion carrier there through, said aperture neck portion extending from said aperture head portion toward said first panel inner edge to accommodate the lug neck portion and preclude passage of the lug head portion of the companion carrier when joining said carrier and the companion carrier, said latch lug including a degree of flexible resiliency whereby said lug can flex out of the plane of said first side panel for passage through the head portion of the latch aperture of the companion carrier and resiliently return toward the plane of said first side panel to align with the neck portion of the latch aperture of the companion carrier.

Claim 11

The carrier of claim 7 wherein said latch lug and said latch aperture comprise the sole means for joining said carrier and the companion carrier.

Claim 12

The carrier of claim 8 including a finger grip opening defined through said handle wall vertically spaced above said latch lug and said latch aperture whereby a pair of joined carriers can be manually grasped above the carrier joining lugs and apertures.

Claim 13

A modular carrier formed of a unitary blank of paperboard and having a basket with opposed side walls and opposed end walls, a handle over said basket and including opposed handle side panels comprising vertical extensions of said joining said handle side panels, and single latch means on said handle in vertically spaced relation above said basket for joinder of said carrier with a duplicate modular carrier solely at said handle, said latch means comprising a latch lug and a latch aperture of complementary configurations, each said lug and said aperture including an enlarged head portion and a narrower neck portion, whereby two of said modular carriers are latch joined by engagement of the lug head portion of each carrier through the aperture head portion of the other carrier, and precluded from disengagement upon alignment of the lug head portion of each carrier with the narrower aperture neck portion of the other carrier.

Claim 14

A modular carrier formed of a unitary blank of paperboard and having a basket with opposed side walls and opposed end walls, a handle over said basket and including opposed handle side panels comprising vertical extensions of said joining said handle side panels, and single latch means on said handle in vertically spaced relation above said basket for joinder of said carrier with a duplicate modular carrier solely at said handle, said latch means comprising a latch lug and a latch aperture of complementary configurations, each said lug and said aperture including an enlarged head portion and a narrower neck portion, whereby two of said modular carriers are latch joined by engagement of the lug head portion of each carrier through the aperture head portion of the other carrier, and precluded from disengagement upon alignment of the lug head portion of each carrier with the narrower aperture neck portion of the other carrier.

Claim 15

The carrier of claim 10 including locking means on said handle adjacent said latch aperture and selectively movable to engage an aperture-received latch lug to prevent withdrawal thereof.

Claim 16

The carrier of claim 11 wherein said latch lug extends from one handle side panel, said latch aperture being defined in said handle wall immediately adjacent said latch lug, said locking means comprising a locking flap overlying said aperture head portion and including a free edge overlying said aperture neck portion, said locking flap being integral with said handle wall beyond said aperture head portion, said locking flap possessing a degree of flexible resiliency for resilient movement away from said aperture head portion upon passage of an aligned lug head portion there through and for subsequent return upon alignment of the lug head portion with the narrower neck portion of the latch aperture whereby realignment of the lug head portion with the aperture head portion is precluded.

Claim 17

The carrier of claim 12 wherein said handle wall is defined by a pair of overlying wall panels, one integral with and extending inwardly from each of the opposed handle side panels, said latch lug being defined from one of said wall panels, said locking flap being defined from the other of said wall panels.

Claim 18

The carrier of claim 13 wherein said latch means is vertically spaced above said basket, and finger grip means on said handle vertically spaced above said latch means for grasping and raising said carrier.