B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 6/26 (2006.01)
Patent
CA 2561049
These boxes comprise a bottom and four lateral walls coupled in jointed fashion to the edges of that bottom, two opposite walls having each fastening devices for ensuring the unfolding of the box, said device in general comprising a vertically displaceable central piece and some lateral bolts with horizontal displacement for fastening the lateral walls via their adjacent edges. It is characterised in that it includes elastic spring elements (5) which link the central control piece (1) with the pairs of bolts (6), at the same time as said spring elements (5), in the rest position, maintain the bolts in the engagement and fastening position of the bolts, while for the release position of the bolts the spring elements pull the bolts towards the release position against the resistance of the elastic elements.
Marks & Clerk
Sp Berner Plastic Group S.l.
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