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US 6,547,668 B2Granted
Labyrinth seal for a universal joint shaft
AssigneeG. Elbe & Sohn GmbH & Co. KG
InventorMarkus Kopp
Life of this patent
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Abstract
A seal for a universal joint cross trunnion is accommodated in a bearing bush for a universal joint shaft and has an outer and an inner, ring-shaped, sealing body which are insertable into the bearing bush and operatively connected, and which permit mutual adjustment. The two sealing bodies include meshing sealing elements having a positive-locking design. The inner sealing body includes an enveloping part which overlaps the other sealing body and/or the bearing bush at least partially.
Claims14
A seal for a universal joint cross trunnion disposed in a bearing bush for a universal joint shaft, the seal comprising:
- an outer ring-shaped sealing body insertable into the bearing bush and including first sealing elements;
- and
- an inner ring-shaped sealing body insertable into the bearing bush and being operatively connected to and mutually adjustable with the outer sealing body, the inner sealing body including second sealing elements meshing with the first sealing elements in a positive-locking manner, the inner sealing body including an enveloping part overlapping the bearing bush at least partially.
Dependencies are inferred from the claim text.