Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially directed pin
Patent
1998-06-04
2000-10-31
Browne, Lynne H.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially directed pin
464 56, 464905, F16D 350
Patent
active
061394378
ABSTRACT:
Two shafts in a double universal joint system are linked so that swivel of one shaft about a first pivot point in one universal joint results in a corresponding amount of swivel in the other shaft about a second pivot point in the other universal joint. Two mechanical paths couple swivel of the shafts. The two paths work in concert to couple swivel of the one shaft about a first axis to equal swivel of the other shaft about a corresponding axis, and the same two paths work in contrast to couple the swivel of the one shaft about a second axis to equal swivel of the other shaft about a second corresponding axis. This mechanism can be used to assure constant velocity operation of a double Cardan universal joint directly, or this mechanism can be used as an external harness to control the positioning of a double universal joint. When the mechanism is used as an external harness, it can be used to restrict a double Cardan universal joint to a constant velocity configuration, or it can be used to control any other double universal joint wherein benefit can be derived by equal angle coplanar operation. In some configurations very wide angle operation in any direction is provided, and in other configurations misaligned parallel axis operation is provided.
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"On The Necessary and Sufficient Conditions For Homokinetic Transmission in Chains of Cardan Joints" Johnson & Willems Journal of Mechnical Design Jun. 1993, vol. 115/pp. 255-261.
Binda Greg
Browne Lynne H.
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