B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
254/135
B66C 1/54 (2006.01)
Patent
CA 1237119
Abstract The present invention relates to a lifting wedge which is intended in particular for lifting a paper roll in the vertical position, and which is made up of a substantially cylindrical lifting wedge part (1) having the cross sectional shape of the core hollow of the paper roll, a lifting belt (2) fitted to the lifting wedge, and friction surfacing (3). The lifting wedge accompanies during transport the roll to be lifted. Previously known lifting devices of this type consist of lifting belts which are passed around paper rolls in the vertical position. The assembling of the belts and fitting them around the rolls is relatively difficult. The lifting wedge part (1) according to the invention is divided in its longitudinal direction preferably into three wedge-shaped sections. The lifting belt (2) encircles that wedge section which has a larger cross sectional surface in its lower part, and forms a lifting loop above the wedge section. When the lifting belt is tightened, the wedge section encircled by it presses against the outer wedge sections, whereupon the friction surfacing (3) on the circumference of the lifting wedge presses against the inner wall of the core hollow and causes the lifting wedge to adhere reliably to the core hollow. The lifting wedge can be of wood and sawn into wedge sections, or it can be cast into wedge-shaped sections. The friction surfacing is preferably in the form of a rubber belt, or it can be friction-increasing material on the surface of the wedge sections. Band or rope can be used for the lifting belt. Figure 1.
473582
Gowling Lafleur Henderson Llp
Lassila & Tikanoja Oy
LandOfFree
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