Feed arrangement for a centrifugal rock crusher
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United States of America Patent
Stats
-
Apr 30, 1985
Grant Date -
N/A
app pub date -
Nov 18, 1983
filing date -
Nov 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved feed arrangement is provided for use in a centrifugal impact rock crusher that includes a housing with a housing cover attached thereto having a circular housing feed opening defined therein concentric with a central axis. An impeller is rotated concentrically with the axis to throw rock received within the impeller against an impact surface within the housing to crush the rock. An impeller cover includes a circular impeller feed opening concentric with the axis and of a diameter substantially equal to that of the housing feed opening. The feed arrangement includes a hopper with a circular exit opening of a diameter substantially equal to that of the housing and impeller feed openings. The hopper is supported above the housing cover, and a cylindrical feed tube extends from within the hopper, through the exit opening and the housing feed opening and into the impeller feed opening. The feed tube is of a diameter slightly less than the openings through which it passes. The feed tube is releasably secured to the housing cover to permit downward adjustment of the feed tube as its bottom end wears.
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