TACKLE BLOCK Russian patent published in 1999 - IPC

Abstract RU 2124471 C1

FIELD: mechanical engineering; materials handling facilities; load-lifting mechanisms. SUBSTANCE: tackle block has movable and fixed casings accommodating sheaves in form of semirings with working surfaces enclosing each other. Band type pulling member is passed over sheaves. Working surfaces of sheaves are made in form of aerostatic supports. EFFECT: reduced friction between band and working surfaces of sheaves. 2 dwg

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RU 2 124 471 C1

Authors

Prokof'Ev Gennadij Fedorovich

Dundin Nikolaj Ivanovich

Dates

1999-01-10—Published

1997-02-20—Filed