Patent ID: 7798352

Claim:
A packaging device for a generally rectangular article, comprising: a bottom plate supporting the article; a plurality of support members arranged on the bottom plate orthogonal to the bottom plate and enclosing the article; a cushioning unit arranged on the bottom plate in a space enclosed by the support members and at at least two diagonal corners of the article supported on the bottom plate, the cushioning unit including a plurality of airtight containers filled with gas, wherein the cushioning unit has a bifacial outside corner contact portion, and a bifacial inside corner contact portion which can come in contact with a respective corner of the article supported on the bottom plate, and is formed substantially in a shape of a letter L; a mounting plate arranged above the cushioning unit in the space enclosed by the support members for mounting an article; and a belt mounted to the bottom plate or support members so as to press a cushioning unit at one of the corners of the article supported on the bottom plate toward the cushioning unit at the diagonally opposite corner of the article supported on the bottom plate.