SLIDING BEARING FOR BACK-AND-ROTATION MOVEMENT Russian patent published in 2013 - IPC F16C17/00 F16C33/26 

FIELD: machine building.

SUBSTANCE: sliding bearing includes shaft (1), outer race (2) and spiral insert (3) arranged between them and made in the form of a helical spring so that it can move with possible turn in one direction and provided with possibility of compression adjustment through its end support elements, out of which one is fixed, and the other one is movable. Helical spring of spiral insert (3) is made in the form of a cone with an inclination angle of 1° to 5°; with that, helical spring wire diameter d_sp is equal to half the value of difference of diameters of the hole of outer race D and shaft d.

EFFECT: easier assembly of a bearing structure and improving its serviceability.

7 dwg