YURCHENKO'S DUAL ARTICULATED COUPLING Russian patent published in 2018 - IPC F16D3/30 

FIELD: machine building.

SUBSTANCE: invention relates to machine building, namely, to couplings. Yurchenko's dual articulated coupling includes two external links with forks and an internal link with forks located between them, counter forks of the external links, and two centering balls. Balls are located between the forks of the outer and inner links. Inner surfaces of the forks for enclosing the balls are designed the way to allow the forks to slide along the surface of the balls. Pairwise mating surfaces of the contacting forks run in between each other.

EFFECT: simple design.

1 cl, 3 dwg