FIELD: mechanical engineering.
SUBSTANCE: invention relates to mechanical engineering, in particular to the articulated joints of the links of machine parts. A two-degrees-of-freedom rotational kinematic pair consists of a connection of a support link (1) and an acting link (2), in which the support link (1) is made in the form of a hollow cylinder of rotation with a semicircular generator, and the acting link (2) is made in the form of a rotary cylinder with two ends rounded along the hemisphere, the generant of which is congruent to the inner surface of the hollow cylinder.
EFFECT: simplification of the design, reduction of the complexity of manufacturing and installation, as well as ease of assembly and disassembly of a two-degrees-of-freedom kinematic pair without the use of fasteners.
6 cl, 12 dwg
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