YIELDING ANCHOR Russian patent published in 1994 - IPC

Abstract RU 2012817 C1

FIELD: mining. SUBSTANCE: anchor has stem with cone-shaped member on its lock end, distance ball, bearing disk joint nut. Anchor is also provided with projection in lock cone-shaped end to limit motion of ball. Yielding force is regulated by diameter of distance ball. EFFECT: higher efficiency. 4 dwg

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RU 2 012 817 C1

Authors

Kuzin Gennadij Sergeevich

Dates

1994-05-15—Published

1991-03-25—Filed