초록 ▼

Reusable box apparatus includes a single blank from which a box is formed without the need for external fasteners, such as staples, adhesive, or tape, and which blank includes a plurality of interlocking tabs and slots for fastening the box together. The completed box includes two top flaps, both of

Reusable box apparatus includes a single blank from which a box is formed without the need for external fasteners, such as staples, adhesive, or tape, and which blank includes a plurality of interlocking tabs and slots for fastening the box together. The completed box includes two top flaps, both of which may be pre-addressed, for alternate use in two-way shipping, and which further includes cam elements for aligning tabs with slots for the easy release of the top flaps.

대표청구항 ▼

Carton apparatus, comprising, in combination: first panel means defining one side of the carton apparatus; first end panel means secured to the first panel means and defining a second side of the carton apparatus; second panel means defining a third side of the carton apparatus and secured to the fi

Carton apparatus, comprising, in combination: first panel means defining one side of the carton apparatus; first end panel means secured to the first panel means and defining a second side of the carton apparatus; second panel means defining a third side of the carton apparatus and secured to the first end panel means remote from the first panel means; second end panel means secured to the second panel means remote from the first end panel means and defining a fourth side of the carton apparatus; means for securing together the first panel means and the second end panel means; bottom panel means defining the bottom of the carton apparatus; first top flap means secured to the first panel means, including first locking slot means disposed adjacent to the first panel means; second top flap means secured to the second panel means; locking tab means secured to the second top flap means remote from the second panel means apd adapted to extend through the first locking slot means to lock the second top flap means to the first top flap means; and cam means for camming the locking tab means into alignment with the first locking slot means for unlocking the second top flap means from the first top flap means.