Patent ID: 7070331

Claim:
A joint-pin modular unit for articulately connecting a fork-type or stirrup device ( 1 ) with a connecting eye embracing a joint pin ( 8 ) of the fork-type or stirrup device, comprising a plurality of seals ( 9 ) provided between the connecting eye and the pin ( 8 ), wherein the joint pin ( 8 ) is rotationally guided in bearing bushes ( 6 , 7 ) of the fork-type or stirrup device ( 1 ) and externally located end faces of the pin ( 8 ) are closed by covers ( 10 , 11 ) tightly covering the bearing bushes ( 6 , 7 ), and a surface of the pin is surrounded by a lubricant film, wherein said seals are sliding ring seals ( 9 ) and are arranged between the connecting eye and bearing bush end faces located adjacent to the connecting eye, and wherein at least one substantially axial bore ( 13 ), and a plurality of radial bores ( 14 , 15 ) leading to the surface of the pin in cross-sectional planes of the sliding ring seals, are provided for supply of lubricant.