Improvements in and relating to the roller bearings of turntables for revolving cranes excavators and the like

摘要

224,435. Lobnitz & Co., Ltd., and Bedgood, H. O. Feb. 26, 1924. Roller bearings.-In a turntable bearing supporting the revolving base 1 of a crane, excavator &c., of the type comprising rollers 5 mounted on spindles 6 secured between inner and outer supporting rings 7, 8, the spindles 6 serve as distance pieces between the rings and are held fast by pairs of bolts 10 which pass through the spindles and bind the rings together. Any roller can be removed or replaced when brought beneath a removable section of the upper rail 2.