Improvements in oil seals and like devices for sealing between relatively rotating parts

摘要

676,086. Stuffing-box substitutes. ANGUS & CO., Ltd., G., and CHINNERY, R. H. Feb. 14, 1951, No. 3565/51. Class 122(v) A sealing device between relatively rotating parts comprises a rubber or like moulded annulus having an axial holding portion a and an annular resilient diaphragm c carrying a sealing ring d and axially spring-loaded by springs e retained by a rigid ring f having an axial flange that is a press fit with the holding portion a. The holding portion a, which may be reinforced by a metal ring b, is press fitted in one of the relatively rotating parts and the sealing ring d is urged into sealing contact with a radial face on the other of the relatively rotating parts by the springs e that are located by spigots c1 on, or recessed in, the diaphragm c and by tongues f1 formed on the inner border of the ring f. The sealing ring d may be bonded or moulded to the diaphragm or mounted in a carrier ring attached to the diaphragm which may have a textile reinforcement therein.