B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 9/12 (2006.01)
Patent
CA 2369571
A lifting device (10) comprising: a substantially horizontally extending support forming a support surface, comprising at least two support elements (2), such as, for instance, two prongs (2) of a fork (20), for supporting a stack, a lifting member (11), movably connected to the support elements (2) and displaceable in a vertical plane, a connecting device (1) for movably connecting the support elements (2) to the lifting member (11). The connecting device (1) comprises: first members (5a, 5b, 6) for, during picking up or putting down of the stack, moving a support element (2) freely relative to the lifting member (11) through an at least small distance relative to the lifting member (1) in substantially vertical, upward direction; second members (5a, 5b, 7) for freely rotating a support element (2) through an at least small angle about an axis perpendicular to said vertical plane, the second members (5a, 5b, 7) allowing free rotation only when, during picking up or putting down of the stack, the support element (2) has been moved in said upward direction.
Cette invention concerne un dispositif de levage (10) comprenant: un support essentiellement horizontal formant une surface portante, qui comprend au moins deux éléments-supports (2), tels que les deux dents (2) d'une fourche (20), destinés à supporter une pile, un élément de levage (11), relié mobile aux éléments-supports (2) et se déplaçant dans le plan vertical, un dispositif de liaison (1) reliant de façon mobile les éléments supports (2) à l'élément de levage (11). Le dispositif de liaison (1) comprend: des premiers éléments (5a, 5b, 6) qui, pendant la prise ou l'abaissement de la pile, déplacent un élément-support (2) librement par rapport à l'élément de levage (11) sur au moins une courte distance par rapport audit élément (11) dans un plan sensiblement vertical dirigé vers le haut; des seconds éléments (5a, 5b, 7) qui font librement tourner un élément-support (2) sur au moins un angle réduit selon un axe perpendiculaire audit plan vertical, ces seconds éléments (5a, 5b, 7) n'autorisant une rotation libre que lorsque, pendant la prise ou l'abaissement de la pile, l'élément-support (2) à été déplacé vers le haut dans ledit plan vertical.
Peters Johannes Aloysius Marie
Slagman Freerk Dirk
Van Pinxteren Adrianus
Borden Ladner Gervais Llp
Fps Food Processing Systems B.v.
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