Rotary ball joint having a plurality of force transmitting balls providing connection between the inner and outer members
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United States of America Patent
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Jun 8, 1993
Grant Date -
N/A
app pub date -
Jul 31, 1991
filing date -
Aug 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary ball joint, especially for angularly movable driveshafts for motor vehicles, has an outer joint member (11) with ball tracks (18) uniformly distributed on its inner circumference and an inner joint member (12) non-rotatingly connected to the outer joint member (11). The inner joint member (12) includes ball sockets (13) which correspond to the ball tracks of the outer joint members (11). The ball sockets comprise spherical inner faces and, via the balls (14) supported therein, establish a form-fitting connection between the inner joint member (12) and the outer joint member (11). A plurality of bearing balls (15) are positioned in the sockets to provide a bearing surface for the force-transmitting balls (14). In the inner joint member, the force-transmitting balls (14) are guided in the ball sockets (13) and in the outer joint member they are guided in the ball tracks (18).
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