FIELD: machine building.
SUBSTANCE: invention relates to locking mechanisms used in assemblies of earthmoving equipment. Locking sleeve comprises a body comprising, at least in part, a toroidal profile defining an axis of rotation, a radial direction and a circumferential direction; radial inner annular surface forming a radial inner hole; and a first anti-rotation element extending radially inward from a radial inner annular surface comprising an inclined shoulder, having a locking surface facing at least partially in a circumferential direction and in a direction parallel to the axis of rotation, forming an indirect angle with a direction which is parallel to the axis of rotation in a plane perpendicular to the radial direction. First anti-rotation element further comprises a cam surface extending radially inward and circumferentially from the locking surface.
EFFECT: simplification of unlocking, reduced probability of undesirable unlocking of elements of earthwork tool.
9 cl, 11 dwg
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