Tripod joint with mechanism for securing the rollers

Details Tripod joint with mechanism for securing the rollers Tripod joint with mechanism for securing the rollers

1995-08-16

1997-08-19

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Coupling accommodates drive between members having...

Tripod coupling

464905, F16D 3205

Patent

active

056581998

ABSTRACT:
A tripod joint has an outer joint part with three circumferentially distributed, axis parallel recesses and an inner joint part. The inner joint part has a star-shaped cross-section with three circumferentially distributed arms which engage the recesses of the outer joint part. The roller assemblies are supported on the arms. Each roller assembly includes a roller carrier and a roller rotatably supported by a needle bearing on the roller carrier. The rollers are pivotably arranged relative to the respective arms so as to be axially and angularly movable relative to the arm axis. The rollers have running faces, which are loaded under torque transmission, and end or annular faces, which adjoin the running faces on the radial outside and inside with reference to the joint axis. The annular faces, in cross-section through the outer joint part, are complementary to the outer joint part, axially relative to the roller axis and supportingly, come to rest in and against the outer joint part recesses. The running faces of the rollers have the shape of spherical segments. In a cross-section, through the outer joint part, the tracks in the recesses have the shape of concave circular segments. With reference to the roller axis, mutual axial securing mechanisms, between each roller carrier and roller, are formed in both directions entirely by two securing rings.

REFERENCES:
patent: 4747803 (1988-05-01), Kimata et al.
patent: 5019016 (1991-05-01), Uchman
patent: 5171185 (1992-12-01), Schneider
patent: 5380249 (1995-01-01), Krude
patent: 5391013 (1995-02-01), Ricks et al.
patent: 5507693 (1996-04-01), Schwarzler et al.
patent: 5525109 (1996-06-01), Hofmann et al.

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