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Meal box assembly

  • US 4,403,441 A
  • Filed: 07/20/1981
  • Issued: 09/13/1983
  • Est. Priority Date: 07/20/1981
  • Status: Expired due to Fees
First Claim
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1. A combination comprising:

  • a collapsible meal box formed of a paperboard and having a base and a pair of spaced parallel sidewalls foldably secured along opposite sides of the base;

    means rendering the base movable along a predetermined path of motion upward to a position between said sidewalls as they are moved toward one another to collapse the box;

    an elongated axle member, and means supporting the ends of the axle member on the sidewalls of the box such that the axle member is disposed in the path of motion of the base to prevent the sidewalls from being moved one toward the other;

    the sidewalls having a pair of aligned openings adjacent the base, the axle member extending through the openings in the sidewalls, and said axle member including means having a diameter larger than said sidewall openings mounted on the ends of the axle member within said box for abutment with the inner surfaces of said sidewalls when said box is in an erected position.

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