초록 ▼

A three-sided, open top material handling crate, which includes a first reinforcing member extending around the open top of the crate and a second reinforcing member extending at least partly around and closely engaging the periphery of each of the side walls to provide a crate which is able to with

A three-sided, open top material handling crate, which includes a first reinforcing member extending around the open top of the crate and a second reinforcing member extending at least partly around and closely engaging the periphery of each of the side walls to provide a crate which is able to withstand considerable vertical stacking pressures.

대표청구항 ▼

In a stackable material handling crate having a bottom wall, and an upstanding front wall, back wall, and side walls fixed to said bottom wall, said crate botton wall and said side walls being integrally formed molded plastic panels, an open top opposite said bottom wall defined by the upper edges o

In a stackable material handling crate having a bottom wall, and an upstanding front wall, back wall, and side walls fixed to said bottom wall, said crate botton wall and said side walls being integrally formed molded plastic panels, an open top opposite said bottom wall defined by the upper edges of said side walls, front wall and back wall, an opening in said front wall through which material in the crate can be removed, and means reinforcing said crate, the improvement wherein said reinforcing means comprises: a first circumferential channel extending around the periphery of said crate adjacent said open top said first channel having a substantially U-shaped cross-section defined by a top wall, a back wall, and a bottom wall so that the open side of said first channel faces outwardly, one of said first channel walls having first retaining means for retaining a first reinforcing member therein; a first circumferential reinforcing member extending around and closely engaging the periphery of said crate adjacent said open top, said first reinforcing member fitting within said first channel and retained within said first channel by said first retaining means; a second substantially U-shaped channel having a substantially U-shaped cross-section extending around and closely engaging the periphery of each of opposite walls of the crate, said U-shaped second channel opening upwardly and extending through the bottom wall of said first channel so that said second channel connects with said first channel at a connecting position, said second channel having a second retaining means for retaining a second reinforcing member therein; and a second substantially U-shaped reinforcing member fitting within and coextensive with said second channel and retained within said second channel by said second retaining means, said second reinforcing member being integrally connected to said first reinforcing member, at said connecting position where said second channel connects with said first channel.