초록 ▼

A stackable container comprises grooved upper and lower sides. The sides of the grooves are undercut. In the grooves of the lower sides are four hooks each having base which fits a groove, a flexible leg and a nose at the end of the leg to engage the undercut side of the groove in the upper side of

A stackable container comprises grooved upper and lower sides. The sides of the grooves are undercut. In the grooves of the lower sides are four hooks each having base which fits a groove, a flexible leg and a nose at the end of the leg to engage the undercut side of the groove in the upper side of an identical container. A supporting boss may be provided extending to above the leg, so that the container will be supported on the bosses.

대표청구항 ▼

A parallelipipedical container comprising (a) at least two grooves extending along the length of each of its upper and lower sides, (b) each said groove having a base and a pair of inclined sides extending therefrom and leading to a lip that extends over the grooves, (c) end closure means at the end

A parallelipipedical container comprising (a) at least two grooves extending along the length of each of its upper and lower sides, (b) each said groove having a base and a pair of inclined sides extending therefrom and leading to a lip that extends over the grooves, (c) end closure means at the ends of the grooves closing off the said ends of the grooves, (d) a pair of removable engagement means in each of the grooves on one of said sides of the container, each said engagement means, having a base contained within a groove, a narrow resilient leg extending from the base and lying parallel to the groove, and a nose at the end of the leg and (e) spacers respectively within the grooves on the upper side extending between and engaging the bases of the engagement means and holding them against the end closure means at the ends of the grooves.