Patent ID: 6863615
Filing Date: 2005-03-08
Classification: F16D,Y10S

Abstract:
1. A centered double universal joint comprising: a first outer joint yoke with first outer yoke arms; a first bridge connecting the first outer yoke arms to one another; a first centering mechanism associated with the first bridge; a first inner joint yoke including first inner yoke arms; a first cross member articulatably connecting the first outer yoke arms via rolling contact bearings to the first inner yoke arms; a first lubricant channel for lubricating the rolling contact bearings provided in the first cross member; a second outer joint yoke with second outer yoke arms; a second bridge connecting the second outer yoke arms to one another; a second centering mechanism associated with the second bridge; a second inner joint yoke including second inner yoke arms; a second cross member articulatably connecting the second outer yoke arms via rolling contact bearings to the second inner yoke arms; a guiding disc defining a longitudinal axis, said guiding disc having a first central centering projection articulatably connected to the first centering mechanism of the first outer joint yoke, said guiding disc having a second central centering projection articulatably connected to the second centering mechanism of the second outer joint yoke, and guiding faces on the guiding disc being radially adjustably guided in an annular recess of a housing, the first inner joint yoke and the second inner joint yoke forming part of the housing; the first lubricating channel of the first cross member being connected to first lubricant guiding mechanism of the first centering mechanism; and the guiding disc having at least one lubricant channel which is connected to the first lubricant guiding mechanism of the first centering mechanism, said at least one lubricant channel extend to a circumferential surface of said guiding disc and ending in at least one of the guiding faces.