SKIP UNLOADER Russian patent published in 2009 - IPC B66B17/26 

FIELD: mining industry, conveying.

SUBSTANCE: invention relates to skip-type cages used in mining industry. Skip unloader comprises gate representing chutes arranged one above the other to turn about axles of posts-braces mounted between skip sidewalls. Chutes are attached to posts-braces and furnished with levers with rollers to come in contact with unloading skid and to turn every chute through angle equal to natural slope of material being unloaded. Posts-braces represent torsion shafts that allow chutes to return into initial position in case there in no contact between lever rollers and aforesaid skid. Chutes are attached to posts-braces shifted inward to rear wall along sidewall for chute width. To limit chute turn angle, front wall fixed sections are arranged with top and bottom edges bent inward the skip body inner side at the angle of natural slope of unloaded material.

EFFECT: simplified design.

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