Slewing turntable bearing

Details Slewing turntable bearing Slewing turntable bearing

F - Mech Eng,Light,Heat,Weapons

16

C

F16C 33/20 (2006.01) B66C 1/24 (2006.01) B66F 9/12 (2006.01) F16C 17/10 (2006.01) F16C 17/18 (2006.01)

Patent

CA 2205939

The rotatable fork-plate of a fork lift truck is mounted to a large-diameter stewing gear, and the stewing bearing fits inside. In place of the usual ball bearing, a plastic strip is curved around into a circle, and placed between the stewing gear and the stator frame. The circle is not complete, in that a circumferential gap is left between the ends. The rotor and stator are formed with suitable faces for supporting journal forces, and thrust forces both ways, via the plastic strip. The preferred profile of the strip is channel-shaped. The strip floats circumferentially between the rotor and the stator. The plastic strip being corrosion free, no seals are provided on the bearing, even for operation near sea-water.

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