Apparatus for unlatching foldable side walls of boxes and...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 6/18 (2006.01)

Patent

CA 2714636

The invention relates to a device for unlocking foldable side walls (2 to 5) hinged on the floor (6) of boxes and containers (1), the two opposite end walls (4, 5) thereof being lockable to the adjacent side walls (2, 3) and the unlocking taking place by a lifting motion of a yoke-like adjusting member (13) disposed under spring pretension and guided in recesses of stiffening ribs (11, 12) in the outer surfaces of the end walls (4, 5). The adjusting member (13; 130) is designed having motion-diverting means (16, 17) on the two outside ends thereof, said means diverting vertical motion into a horizontal motion unlocking the side walls when the adjusting member (13) is raised, wherein the unlocking bars (19) of the adjusting member act on spring tab-like locking means (10) of the side walls (4, 5) engaged in the end walls (2, 3) and press them out of engaged seating thereof surrounding the end walls (2, 3)

L'invention concerne un dispositif pour déverrouiller des parois latérales rabattables (2 à 5), articulées par charnières sur le fond (6) de boîtes ou de récipients (1), parois parmi lesquelles les deux parois frontales opposées (4, 5) peuvent être verrouillées avec les parois latérales voisines (2, 3), le déverrouillage s'effectuant par un mouvement de translation d'un actionneur (13) du type étrier, qui est disposé et guidé sous précontrainte élastique dans des évidements de nervures de renforcement (11, 12) sur les faces extérieures des parois frontales (4, 5). L'actionneur (13; 130) est doté, à ses deux extrémités extérieures, de moyens (16, 17) de changement de direction qui transforment le mouvement de l'actionneur (13), vertical lors de son relevage, en un mouvement horizontal déverrouillant les parois latérales. Les branches de déverrouillage (19) de l'actionneur sollicitent alors des moyens de verrouillage (10) du type languettes élastiques des parois latérales (4, 5) qui sont enclenchés dans les parois frontales (2, 3), et elles les poussent hors de leur enclenchement enserrant les parois frontales (2, 3).

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