Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially spaced ball
Patent
1995-03-14
1997-07-15
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially spaced ball
464167, 464906, F16D 3224
Patent
active
056478011
ABSTRACT:
A constant velocity joint has an outer part (1) with outer running grooves provided in its inner face (2) and extending in meridian planes with reference to the longitudinal axis (4) of the outer part. An inner part (6) is arranged in the inner chamber (5) of the outer part (1). Inner running grooves (13) are arranged in the inner part outer face (10). The inner running grooves (13) are arranged opposite the outer running grooves forming pairs which jointly accommodate balls (31) for torque transmitting purposes. The balls (31) are guided by a cage (24). The inner part (6) includes inner running grooves (13) which are all shortened and are only long enough to provide a maximum travel (18) covered by the balls (31) in the inner running grooves (13) from one extreme position to the other, plus an additional safety length (19) which is provided for strength reasons. A groove portion (14, 15) follows at least one end of the inner running grooves (13). The groove portion (14, 15) has a cross-section which is extended relative to that of the inner running grooves (13). This design improves the possibilities for using non-chip-producing forming methods because the percentage of surfaces to be stamped during the forming process to achieve dimensional accuracy is reduced considerably. The material is able to flow more easily. Furthermore, a channel (32) is provided in each of the inner running grooves (13). Apart from an improved dimensional accuracy, the required forming forces are reduced considerably.
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Dunn Eileen A.
Lohr & Bromkamp GmbH
Stodola Daniel P.
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