Two-part scraper-type shaft-seal

Details Two-part scraper-type shaft-seal Two-part scraper-type shaft-seal

1974-12-19

1976-09-14

Rothberg, Samuel B.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277178, 277184, F16J 1532

Patent

active

039803090

ABSTRACT:
A scraper-type shaft seal comprises an outer C-section ring which is received in an inwardly open groove in a housing and which itself receives the outer periphery of an inner ring formed with a lip which engages the outer surface of a shaft to be sealed. One of the rings is formed of flexible hard material and the other of the rings is relatively supple so that the lip of the inner ring can readily follow lateral deflections of the shaft. The outer surface of the outer ring is generally frustoconical so that when fit into a cylindrical groove the lip is prestressed inwardly.

REFERENCES:
patent: 2183004 (1939-12-01), Boyd
patent: 2797944 (1957-07-01), Riesing
patent: 3106405 (1963-10-01), Pringle
patent: 3147983 (1964-09-01), Neuman et al.

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