Plastic bread carrier having folding end walls

Details Plastic bread carrier having folding end walls Plastic bread carrier having folding end walls

1977-09-21

1979-08-07

Lowrance, George E.

Special receptacle or package

Structural features for vertical stacking, i.e., similar...

Having specified means for nesting instead of stacking

211126, 220 6, 224 48R, B65D 2102, B65D 726, A47G 2306

Patent

active

041634950

ABSTRACT:
The carrier comprises a tray having a floor and rails extending around its perimeter. A pair of end walls are provided at the ends of the tray. Each end wall is pivotally connected to the tray so that it can be rotated from a horizontal position overlying the floor to a vertical position above the end rails. The pivot connection also permits limited vertical movement so that the walls can be pushed down to engage the rails. The lower portion of each end wall is formed of inner and outer spaced-apart legs which define a first groove extending the length of the wall. The rail penetrates into this groove when the wall is lowered onto the rail so that the wall and rail are secured together. There is also a row of abutments extending along the base of each end rail and spaced inwardly therefrom to form a second groove which is part of the tray. The inner leg of each end wall seats in one of these grooves when the wall is lowered. The legs and abutments cooperate to prevent each wall being rotated inwardly and outwardly when it is in the lowered position. Releasable means are provided for restraining upward movement of the end walls relative to the tray when the end walls are in the downwardly shifted position. The advantages: Because the means securing together the end walls and tray extend across the width of the tray, forces acting against the end walls are resisted by the tray as a whole. This has made it possible to make the carrier of plastic as forces are not concentrated at a small segment of the carrier. Also the end walls are easily moved between stacking and folded positions.

REFERENCES:
patent: 2994463 (1961-08-01), Drader
patent: 3054501 (1962-09-01), Maynard
patent: 3204778 (1965-09-01), Nawman
patent: 3648909 (1972-03-01), Wiscarver
patent: 3782579 (1974-01-01), Zarges
patent: 3941271 (1976-02-01), Zarges

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