| 摘要 |
1,145,680. Bearings. DURKOPPWERKE G.m.b.H. 9 Nov., 1967 [7 Jan., 1967], No. 50969/67. Heading F2A. A roller bearing cage of synthetic plastics material has a guide-ring 1 with a number of separating bridge-pieces 2 axially extending therefrom, some of the bridge-pieces having a tongue-like projection 3 which forms a wedgeshaped recess 4 between said projection 3 and the respective bridge-piece 2. The projections 3 may increase in width in the direction of their free ends and may be provided on each bridgepiece 2. A roller bearing may be provided with one or more cages, in the latter case the cages are centred respectively by means of projections and recesses (not shown) which are formed alternately in the bridge-pieces 2. |
