Sealing assembly for a cross member unit for universal joints
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United States of America Patent
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-
Feb 6, 2001
Grant Date -
N/A
app pub date -
Oct 28, 1996
filing date -
Jun 5, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cross member unit for universal joints has a cross member (6) with four arms (17). Each opposing two arms (17) define a common longitudinal axis 7. A bearing bush (9) is provided per arm (17) which covers the arm (17). Rolling contact members (29), in the form of a ring, are arranged in the intermediate space between the casing (23) of the bearing bush (9) and the cylindrical running face (19) of the arm (17). A preseal (38) is arranged towards the open end (27) of the bearing bush (9) between the arms (17) and the casing (23). To achieve a high running performance and a static sealing effect, the preseal (38), in its bore (40), is provided with beads (41, 42) which are firmly positioned on the seat portion (22) of the arm (17).
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