Centering apparatus for constant velocity universal joint

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Having lubricating means – For coupling having torque transmitted via radially directed...

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464118, 464905, F16D 326

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active

046504397

ABSTRACT:
A constant velocity universal joint of the type including a pair of outer yokes pivotally connected to a double inner housing and a centering apparatus positioned between the outer yokes is disclosed. The centering apparatus has a centering plate which is restrained axially but free to move radially between the outer yokes. A pin extends from each side of the centering plate and journals a pair of sliders, one on each side of the plate. A cavity is defined at the end of each outer yoke to receive the adjacent slider. Mating spherical surfaces on each slider and in each cavity provide sliding surface contact between the cavity surfaces and the sliders. This arrangement results in a compact constant velocity universal joint with surface contact throughout the centering apparatus. In an especially useful embodiment, a grease reservoir is formed in the double inner housing and grease passageways are formed in the centering plate and pin to provide a dynamic lubrication system throughout the centering apparatus.

REFERENCES:
patent: 724068 (1903-03-01), Williams
patent: 1550458 (1925-08-01), Schell
patent: 1562080 (1925-11-01), Chilton
patent: 3057174 (1962-10-01), Folley
patent: 3470712 (1969-10-01), Geisthoff et al.
patent: 4257243 (1981-03-01), Herchenbach
patent: 4276759 (1981-07-01), Faulbecker
patent: 4464136 (1984-08-01), Konrad et al.
patent: 4490125 (1984-12-01), Konrad et al.

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