B - Operations – Transporting – 60 – P
Patent
B - Operations, Transporting
60
P
B60P 1/64 (2006.01) B60P 1/02 (2006.01) B62D 53/08 (2006.01) B66F 9/18 (2006.01)
Patent
CA 2085482
2085482 9218350 PCTABS00016 Method for providing the lifting effect of a lifting transport trailer, wherein the lifting transport trailer comprises as main parts a frame (u) which has essentially a horizontal carrying plane (KT) or the like, a rotating organ (PE) and a lever mechanism. According to the method, the factors on the quantity of the moments applying at the point of articulation (P) between the second lever frame (N) and the frame (u) are so selected that during shifting of the lifting transport trailer, the lifting transport trailer functions as a stiff body at least in two positions. In the first position, the sum of moments applying at the said point of articulation (P) applies in the first direction so that the lever mechanism formed by the lever frames (M, N) and the said at least one power transmission organ (VE) is supported against the first limiter means (R1) in the frame (u), the carrying plane (KT) being in the lower position. Further according to the method, the factor on the quantity of the moments applying at the point of articulation (P) between the second lever frame (N) and the frame (u) is so changed that the sum of moments applying at the point of articulation (P) of the second lever frame (N) applies in a second direction, opposite to the first direction, wherein during shifting of the lifting transport trailer, the lifting transport trailer functions as a stiff body in the second position so that the lever mechanism formed by the lever frames (M, N) and the said at least one power transmission organ (VE) is supported against the second limiter means (R2) or the like, the carrying plane (KT) being in the upper position. The invention relates also to a lifting transport trailer.
Borden Ladner Gervais Llp
Kossila Pekka
Liftec Products Oy
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