B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 3/25 (2006.01) B66F 3/42 (2006.01) E02D 35/00 (2006.01) E04G 23/00 (2006.01) F16M 11/28 (2006.01)
Patent
CA 2717101
An adjustable leveling system for leveling foundations subject to subsidence and frost heave and is particularly suited for use in permafrost and cold regions as characterized by an adjustable leveling system comprising a base for supporting a hydraulic leveling jack wherein the leveling jack has a hollow support tube mounted thereon and the support tube extends upwardly from the hydraulic jack. A lifting sleeve having a first tube and a second tube wherein said first tube is located within said second tube wherein each of the first and second tubes having at least one wall wherein said at least one wall of said first tube is located within said at least one wall of said second tube and a space is formed between said at least one wall of said first tube and said at least one wall of said second tube wherein the space being of sufficient width so that the support tube is slidably received within said space and the lifting sleeve having a cap at the lower end thereof wherein the hydraulic leveling jack includes a portion that raises and engages the cap.
Bull Housser & Tupper Llp
Larsen John E. Jr.
LandOfFree
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