Patent ID: 6089984
Filing Date: 2000-07-18
Classification: F16D,Y10S

Abstract:
A constant velocity fixed joint comprising:a hollow outer part having outer running grooves which are circumferentially distributed in meridian planes around the longitudinal axis of the outer part, and at an inner circumference;first connecting means is associated with a supporting face which is stationary relative to said outer part and on which said longitudinal axis of said outer part is positioned perpendicularly;an inner part having inner running grooves on an outer face which, in accordance with said outer running grooves are circumferentially distributed in meridian planes around an longitudinal axis of said inner part, and which is provided with a control face which is open towards one end and which is at least partially shaped like the face of a hollow sphere;a cage arranged between said outer part and said inner part, which, by means of a face shaped like the face of a hollow sphere, is guided on a guiding face of said inner part and which is provided with windows distributed in accordance with said outer running grooves and said inner running grooves and which are open towards same;a ball accommodated in each window and which each engage one of said outer running grooves and said inner running grooves which, together, form a pair, and which radially center said inner part relative to said outer part; anda control element having a contact face designed to form part of a ball and which is contacted by said control face of said inner part, said control element provided with a holding face by means of which it is supported against said supporting face, and which centers said inner part along said longitudinal axis of said outer part relative to said outer part, with said control element being provided in the form of a hollow formed part and having a collar which, in turn, comprises said holding face, and furthermore, with a cavity of said control element being undercut-free from said collar and serving as a lubricant reservoir, and with said contact face of said control element being provided with lubricating grooves and with apertures being provided between said cavity and said contact face, said apertures are positioned in the region of said lubricating grooves.