Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1984-06-11
1985-03-12
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 92, 277 95, 305 11, F16J 1534
Patent
active
045040664
ABSTRACT:
In order, in such a seal, consisting of a softer solid ring (50) and a harder flange ring (52), to improve its springing distance and to prevent the passage of lubricant and/or dirt, it is proposed that the solid ring (50) be clamped axially between the bottom surface (36) of a depression (12) receiving the seal, in a chain sprocket (18), taking part in the forming of the link, and a flange ring (52) flange (64) lying against a sprocket end surface (42), lying opposite the bottom surface (36), which (64), lies broadly, by an end surface (68), divided by a ring groove (66), running around a link bolt (22), against the sprocket end surface (42); and that the solid ring (50) is supported radially outward by a flange ring (52) flange (62) lying against the ring-form boundary surface (40) of the depression (12), while the flange ring (52) has a substantially L-shaped profile and a slight distance from the bottom surface (36) of the depression (12), and occupies a pressure seating in the cylindrical boundary surface (40) of the depression (10).
REFERENCES:
patent: 2614006 (1952-10-01), Bechman
patent: 3341259 (1967-09-01), Schulz et al.
patent: 4094516 (1978-06-01), Morley et al.
patent: 4248439 (1981-02-01), Haslett
patent: 4331339 (1982-05-01), Reinsma
Parker-Hannifin Corporation
Tolhurst Frederick L.
Ward Robert S.
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