B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
294/2, 214/4
B60P 1/00 (2006.01) B66F 9/00 (2006.01) B66F 9/18 (2006.01)
Patent
CA 1207710
ABSTRACT OF DISCLOSURE A vacuum lift clamp device or sidehandling of one or two paper rolls (21), for use in connection with ordinary fork lift trucks equipped with vacuum pump device (23), and having a curved carrying plate (1,2,3) e.g. of steel, supporting the vacuum pad (6) which has a rubber sealing member in front for vacuum tight engagement against the paper roll, consists of three curved parts hinged together by means of two vertical hinges for adapting the vacuum pad positively to various roll diameters, the weight of the paper roll being carried by means of a horizontal rolling ball system (7,26,27,28,34) located at the upper rear side of the curved centre pad plate (2) and partly connected thereto and partly to the fork lift truck lift mast carriage (8) enabling the vacuum pad to be correctly turned against a paper roll having been placed arbitrarily in front of the truck, the necessary horizontal pressure of the rubber sealing being transferred from the truck and close to the centre of each of the two outer pad plate parts (1,3), by means of mechanical balance arm (30). Fig. 5,6 and 7.
431739
Fetherstonhaugh & Co.
Rasmussen Rolf B.
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