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Carton with bottom lock

  • US 4,763,832 A
  • Filed: 01/21/1988
  • Issued: 08/16/1988
  • Est. Priority Date: 01/21/1988
  • Status: Expired due to Term
First Claim
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1. In a carton comprising a tray and lid, said tray having a rectangular bottom wall and trapezoidal shaped, upstanding side walls, a front wall and a rear wall, all with upper edges, said lid having a trapezoidal shaped top wall and trapezoidal shaped, downwardly extending side walls, a rear wall and a front wall all with lower edges, said rear walls being foldably connected together along a common fold line, the front wall of said tray being shorter than its rear wall and the front wall of said lid being longer than its rear wall so that the lower edges of the side walls of said lid extend outwardly and over the upper edges of the side walls of said tray, the improvement comprising, an extension integral with the front wall of said lid which extends inside the front wall of said tray, a flap element foldably connected along a fold line to the front wall extension which is adapted to lie on the bottom wall of said tray when the carton is closed, and a locking means between the tray and lid, said locking means including a tab element cut from the material of the front wall extension and a locking slot of substantially rectangular shape cut from the material of the tray front wall.

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