Uses: lifting - transport machinery. SUMMARY: brackets are designed as forks e downwardly directed legs of and pivotally mounted around the vertical axis 5. Each thrust device 8 includes a U-shaped body with a formed in an upper part of its walls perpendicularly to the hole through which the associated missing with the legs of the fork 7, the horizontal axis Elastic members 11 are mounted between the legs of the fork and the walls of the housing, and in which the top of the latter is made oval in plan with a large longitudinal axis guide 9 Balls 10 are mounted for reacting with the rail head 2 beat.
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