FIELD: machine building.
SUBSTANCE: invention relates to guiding device of shaft with oscillatory motion around the point, located on the axis of shaft, herewith this device can be used, particularly for giving of violent vibrations of pipes, containing biological samples for grinding of samples by means of glass or ceramic microbeads, contained in pipes with samples. Guiding device of shaft with oscillatory motion around center of rotation, located on the axis of shaft includes self-installing bearing with ball-and-socket hinge and balls (30, 40, 46), mounted on shaft inside two ball bearings (46, 50, 52), imposed on each other and mounted on immovable support (26).
EFFECT: improvement of guiding device, particularly increasing of permissible angular deviation of shaft from one and the other side from middle position or reduction of plate diametre.
22 cl, 3 dwg
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