| 摘要 |
<p>545,460. Roller-bearing cages. RANSOME & MARLES BEARING CO., Ltd., and HICKLING, F. O. Aug. 23, 1940, No. 13392. [Class 12 (i)] [Also in Group XXII] One piece cages for roller bearings, as described in Specification 508,980, are formed from extruded tubes with longitudinal ribs. The .ribs b may be internal or external and are tapered or shaped to provide suitable seats for the rollers. The tube is first faced and then a slot f is formed so as to cut away the tube body and leave bars h with rings i, the cage so formed being then parted from the tube.</p> |
