초록 ▼

An extension ring has four panels for extending a height dimension of a box having lids hinged to the rim of the box. The lids of the box are removed, and two of the extension ring panels are secured to the rim of the box through engagement with the hinge elements of the box. The other two panels ar

An extension ring has four panels for extending a height dimension of a box having lids hinged to the rim of the box. The lids of the box are removed, and two of the extension ring panels are secured to the rim of the box through engagement with the hinge elements of the box. The other two panels are assembled to the panels secured to the rim of the box to form the extension ring by forming pinned joints at the four corners of the extension ring. Once the extension ring is assembled and connected to the box, the lids are hinged to the top of the extension ring so that they function in the same way as when they were hinged to the box.

대표청구항 ▼

An extension ring for extending a height dimension of a box having a bottom, serially connected side and end walls extending upwardly from the bottom, a rim, and a pair of lids for closing the box; said extension ring being for a box having first hinge elements along an uppermost edge of both side o

An extension ring for extending a height dimension of a box having a bottom, serially connected side and end walls extending upwardly from the bottom, a rim, and a pair of lids for closing the box; said extension ring being for a box having first hinge elements along an uppermost edge of both side or both end walls adjacent the rim that mate with second hinge elements along an edge of each of the lids, said first and second hinge elements receiving a hinge pin therebetween for pivotally mounting the lids on the box, comprising: said extension ring have a pair of first panels for extending the height of one of said side and end walls and a pair of second panels for extending the height of the other of said end and side walls, each of said panels being generally flat and having side edges, a bottom edge and a top edge; each of said first panels having means along said bottom edge for connecting said first panels to said first hinge elements of a box after the lids have been removed from the box, and having third hinge elements along said top edge for mating with said second hinge elements of each of the lids to receive a hinge pin therebetween for pivotally mounting each lid to a corresponding one of the first panels, respectively; each of said first and second panels having side edge connecting means for serially connecting the side edges of said first and second panels together to form corners of said extension ring whereby said first and second panels increase a height dimension of a corresponding one of the walls of a box, respectively.