Impeller bar installation and repositioning means for impact cru

Details Impeller bar installation and repositioning means for impact cru Impeller bar installation and repositioning means for impact cru

1989-06-19

1990-05-15

Gorski, Joseph M.

Solid material comminution or disintegration

Apparatus

Rotary striking member, rotor structure

144230, 241189R, 241294, 407 41, 407 49, B02C 1328

Patent

active

049251147

ABSTRACT:
The impeller bars on an "open" type rotor of an impact crusher are clamped to each disc of the rotor by means of pairs of cooperating wedges. Each pair of wedges consists of a first wedge acting radially outwards of the rotor between the disc and the impeller bars and a second wedge acting axially of the rotor between the disc and the first wedge to drive the first wedge radially outwards. Means including a hook are also disclosed for lifting the impeller bars onto the rotor for initial installation as well as for later repositioning of the bars to compensate for wear.

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