SLIDING BEARING Russian patent published in 2012 - IPC F16C17/00 F16C29/02 F16C33/08 

FIELD: machine building.

SUBSTANCE: bearing includes sliding element (SE) (1) that is made in the form of a single cylinder of two various diameters (2, 3), platform (4) (in the form of the third cylinder) located above the cylinder of SE of larger diameter (2), which has somewhat larger diameter than diameter (3) of SE cylinder. Bearing also includes housing (1) in the form of a ring enveloping platform (4) and SE (1) and having collar (19) in the area of diameter (3). Housing (1) and platform (4) are rigidly connected so that gap (16) is formed between housing (6) and SE (1), in the area of cylinder of diameter (2). Ball (5) is located between SE (1) and platform (4), and cavities (15, 10) and coaxial through holes are made on flat surfaces of platform (4) and SE (1), which face each other, in ball (5) location place. Ball (5) is rigidly fixed in cavity (15) of platform (4). On side surface of housing (6) there installed is rod (17) rigidly attached to it and the axis of which is directed along the radius of cylinder with diameter (2). Grooves (11) are made in the form of orthogonal grid on external polished surface of cylinder with diameter (2). On side surface of cylinder with diameter (3) there made is slot (18) the axis of which is directed along the radius of SE (1) cylinder at an angle of 45 in relation to orthogonal grid of grooves (11) and into which rod (17) enters with a gap. Spring (7) with retainer (8), which is borne against platform (4), is installed on upper surface of platform (4). Tread (12) that is fixed with one of its ends on SE (1) and with the other end on retainer (8) is passed through coaxial through holes of elements (7, 4, 5 and 1). SE (1) and ball (5) is made from ceramics or from materials with high hardness and with low thermal expansion coefficient.

EFFECT: creation of bearing with possibility of its being moved along the plane in any trajectory and with high accuracy.

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