PIVOT JOINT Russian patent published in 2004 - IPC

FIELD: mechanical engineering.

SUBSTANCE: pivot joint has female lug provided with two webs, male lug, connecting pin, two bushings, mechanism for forced locking, spacing bushing whose faces are provided with spring semi-rings the free ends of which are bent in the radial direction toward the center of the pivot joint and interact with the grooves made of the ratchet teeth provided on a part of outer cylindrical sides of two bushings, and two adjusting bushings the position of which with respect to the female lug and connecting pin is adjusted by adjusting the stop nut. The bushings are mounted in the webs of the female lug the internal faces of which are provided with the spring semi-washers. The semi-washer is bent in its middle part. The top of the bend points the faces of the bushings and compresses them.

EFFECT: enhanced reliability and prolonged service life.

3 dwg