Constant-velocity joint
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United States of America Patent
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May 11, 1993
Grant Date -
N/A
app pub date -
Apr 3, 1991
filing date -
Apr 7, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Constant-velocity joints in tripod construction have an external joint component (1) in which are formed three circumferentially spaced axial guide tracks (2) with bearing surfaces opposite each other in the circumferential direction. An interior joint component (3) has three circumferentially spaced radial trunnions (4) which engage in the guide tracks (2). A roller unit (8) is on each of the trunnions (4) and is radially supported in the guide tracks (2). The roller units (8) are essentially held at constant angles in the guide tracks. The roller units (8) are, relative to the trunnions (4) and radially movable with angular mobility. The roller unit (8) are each mounted, free to rotate, on a roller carrier (6). The trunnions (4) have connected to their ends, spherical heads (5) which engage a radial internal recess of the roller carrier (6). A needle bearing (7) with a cage (9) is located between each roller carrier (6) and roller unit (8).
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