| 摘要 |
1,102,303. Shaft seals. LUXEMBOURGEOISE DE BREVETS ET DE PARTICIPATIONS. 22 March, 1966 [30 March, 1965], No. 12621/66. Heading F2B. Sealing means for a rotary shaft 1 where it extends through a casing 2 comprises a resilient ring located in a bore 13 in the casing and having an outer part 3 reinforced by rigid ring 4 and an inner part 5 having a sealing lip 7 urged against a face 8 on the shaft and normal to the axis thereof by a garter spring 10 surrounding the part 5. In a modifcation (Fig. 2) a ring (14) is secured to the lip (7) and engages the shaft face (8). In a further modification (Fig. 3) the shaft face (8) is formed on the inner race (15) of a ball bearing (16) and a further lip (17) is urged by a garter spring against the outer peripheral surface (18) of the inner race (15).
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