Importance

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Abstract

A box device includes a hinge assembly, and the hinge assembly is provided with a first sliding rail and a second sliding rail. The first sliding rail extends in a straight line; the second sliding rail extends along an ellipse. When a door body blocks an opening, the first sliding rail is obliquely arranged with respect to a plane where the opening is located, and the part of the second slide rail away from a box body is away from a pivoting side with respect to the first sliding rail, and the door body moves towards a target side of the box body during opening door body with respect to the box body from a state where the door body blocks the opening, to reduce the extent to which the door body exceeds an outer side wall of the box body.

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First Claim