Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1981-03-27
1986-11-04
Lowrance, George E.
Receptacles
Closures
Having means for securing or retaining closure in its closed...
206508, 220337, 220DIG15, B65D 4314, B65D 2102, B65D 5104
Patent
active
046206442
ABSTRACT:
The adjacent edges for two covers of a tote box have interlocking fingers where separation is resisted by means of hooks on one or more of the covers engaging side flanges of the box to lock the covers in place. The closed covers present a flat surface inset with respect to a plurality of abutments in the vicinity of the sides and ends that prevent side shifting of a like box stacked on top of it. The side abutments have a second function of latching into the end walls to hold the covers in their open position, even when a plurality of like boxes are nested. The latches and locks are unitarily molded into the cover and provided with cam surfaces that together with inherent resiliency of the structure provide for locking and latching by movement of the cover.
REFERENCES:
patent: 3245573 (1966-04-01), Bakos
patent: 3282462 (1966-11-01), Box
patent: 3463345 (1969-08-01), Bockanstette
patent: 4161261 (1979-07-01), Frater
patent: 4282983 (1981-08-01), Swartzbaush
Buckhorn Material Handling Group Inc.
Lowrance George E.
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