| 摘要 |
<p>1,237,075. Making bearings. TORRINGTON CO., Ltd. 27 Aug., 1968 [2 Sept., 1967; 9 Feb., 1968], Nos. 40202/67 and 6554/68. Heading B3A. [Also in Division F2] The race or cage of a rolling bearing is provided with a radially inwardly-directed flange 16 produced by folding to create a multiple thickness of material. The folding may be effected by rolling operations. In an alternative embodiment (Fig. 6, not shown), the first fold is made in an outward direction. The component may be formed from a tubular blank, which may be cut from tubular stock or deep drawn from thin sheet metal.</p> |
