YURCHENKO DOUBLE HINGED COUPLING (EMBODIMENT) Russian patent published in 2020 - IPC F16D3/18 

FIELD: machine building.

SUBSTANCE: invention relates to machine building and can be used for connection of shafts. Double hinged coupling contains two external links (1, 3), internal link (2), twelve rollers (4) and two fixing elements (5). Part of surface of rollers is made in the form of truncated cones. Angle at the vertex of the imaginary part of each tapered roller 90°. Every two rollers out of six connected to connection of external (1) and internal (2) links of double coupling, facing each other with smaller bases, have one common axis. All six pairs are located on three mutually perpendicular axes, wherein two facing each other roll of four lying in plane perpendicular to axis of double coupling, located in initial position, belong to outer link (1), and two other rollers belong to one side of internal link (2). Rest two rollers of the given connection, which are located along the axis of the double coupling, which is in the initial position, are rigidly fixed to each other. Length of fixing element (5) between rollers is equal to sum of height of separated conical parts from these two rollers, and maximum size of section of fixing element (5) does not exceed least of four diameters of smaller bases of truncated conical surfaces of rollers belonging to connection of external and internal links.

EFFECT: enabling the design simplification.

1 cl, 3 dwg