FIELD: fixture.
SUBSTANCE: device keeps a ring flange (36) in contact to a disk (10) on which radial surface there is an annular groove (16) limited by walls, one of which (24) is formed by a surface of a rim (26). The ring flange (36) contains the ring base (40) resting upon an external groove wall (18) in a radial direction, and a bearer (42) outgoing from the base. Thus the device contains the shaped fixing ring (44) located in a groove. The rim has an outer edge with the gear contour having, at least, one leat (29), and a bearer are provided with the forward side (62) having a gear contour, containing, at least, one cut, and the back side (64), forming the encased between them a ring trench in which the ring is placed. The ring has, at least, one ledge entering into the specified leat and a cut.
EFFECT: serviceability and device life cycle increase.
6 cl, 11 dwg
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