COLLAPSIBLE CONTAINERS
First Claim
Patent Images
1. A base frame/end cover engagement assembly, for a collapsible container, the assembly including:
- a corner post located at a corner of the base frame and extending upwardly therefrom;
a lower lifting restraint extending laterally from the corner post, towards an interior space, and spaced above the base frame, the lower lifting restraint having, at a distal end, a downwardly-directed concave abutment face;
a stile of an end cover frame pivotally mounted on the base frame adjacent the corner post;
a lower lifting restraint block on the stile, the lower lifting restraint block having an upwardly-directed convex abutment face complementary to the concave abutment face on the lower lifting restraint; and
a latch member on the corner post, or the stile, operable to releasably engage a stop member on the stile, or corner post, to releasably lock the stile in a substantially vertical position when a respective end cover is in an erected position;
so arranged that;
in the erected position, the respective abutment faces of the lower lifting restraint and of the lower lifting restraint block are engaged to increase the load strength of the collapsible container, in the vertical direction, when erected.
3 Assignments
0 Petitions
Accused Products
Abstract
A collapsible shipping container has a corner post located at each corner of a base frame. A respective stile of an end cover frame, which may support at least one door, is pivotally mounted on the base frame adjacent each corner post. Respective lifting members on each corner post and stile have curved abutment faces which engage when the stile is in the erected position, and a latch member releasably locks the stile in the erected position. The or each end cover frame may be provided with a spring—or winch system to assist in moving the end cover frame to the erected position.
21 Citations
18 Claims
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1. A base frame/end cover engagement assembly, for a collapsible container, the assembly including:
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a corner post located at a corner of the base frame and extending upwardly therefrom; a lower lifting restraint extending laterally from the corner post, towards an interior space, and spaced above the base frame, the lower lifting restraint having, at a distal end, a downwardly-directed concave abutment face; a stile of an end cover frame pivotally mounted on the base frame adjacent the corner post; a lower lifting restraint block on the stile, the lower lifting restraint block having an upwardly-directed convex abutment face complementary to the concave abutment face on the lower lifting restraint; and a latch member on the corner post, or the stile, operable to releasably engage a stop member on the stile, or corner post, to releasably lock the stile in a substantially vertical position when a respective end cover is in an erected position;
so arranged that;in the erected position, the respective abutment faces of the lower lifting restraint and of the lower lifting restraint block are engaged to increase the load strength of the collapsible container, in the vertical direction, when erected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 12, 13, 14, 15)
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8. A frame for an end cover, for a collapsible container, the frame including at least two stiles connected by a head rail and a bottom rail, respectively, wherein:
a respective corner block is provided at the junction of a stile and the head rail, the corner block having body with an elongate slot or groove operable to receive, and engage, a spigot extending from the adjacent end wall when the end cover frame and the side wall are both in their erected positions. - View Dependent Claims (9, 10, 16, 17)
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11. A mechanism to releasably lock a frame of an end cover to a side wall, of a collapsible container, the locking mechanism including:
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a striker plate mounted on, and extending from, the side wall; a backing plate mounted on a stile of the end cover frame; a sliding plate, extending laterally from the backing plate and operable to intersect the striker plate, the sliding plate being mounted on the backing plate between a released position and an engaged position; and a safety flap operable to restrain the sliding plate in the engaged position; the striker plate having an upwardly-directed slot and/or the sliding plate having a downwardly directed slot, so arranged that, when in the engaged position, the sliding plate engages the striker plate to releasably lock the end cover frame to the side wall. - View Dependent Claims (18)
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Specification