Pot bearings for heavy loads

Details Pot bearings for heavy loads Pot bearings for heavy loads

E - Fixed Constructions

01

D

308/4

E01D 19/04 (2006.01) E04B 1/36 (2006.01)

Patent

CA 1271211

ABSTRACT OF THE DISCLOSURE A vertically adjustable pot bearing for heavy loads such as bridge structures comprises a steel pot (3), a steel cover plate (4) and a seal (5) forming a pressure chamber completely filled in by a plate (1) made of rubber-like material. A pressurized fluid can be injected under the plate (1) to raise same. The plate (1) is provided with a narrow slot (11) open downwardly towards the base of the pot (3). The depth of the slot is about 3/4 of the thickness of the plate (1). The slot is closely spaced from the periphery of the plate, whereby the side wall (9) of the plate (1) can flex against the side wall (10) of the pot (3) to improve the sealing effect between the two.

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