Impeller locking means for impact crusher rotor

Details Impeller locking means for impact crusher rotor Impeller locking means for impact crusher rotor

1976-09-07

1977-08-02

Lake, Roy

Solid material comminution or disintegration

Apparatus

Rotary striking member, rotor structure

B02C 1306

Patent

active

040391515

ABSTRACT:
A locking means for the impellers of an impact crusher rotor is disclosed wherein the impellers are partly within axially extending peripheral slots which are diametrically opposite each other; semi-cylindrical cavities are formed in the face of the leading wall and the face of the impeller which cooperate to define a cylindrical bore extending parallel to the axis of the rotor; within the cylindrical bore a wedge lock is inserted which is a two-part device each having a flat surface complementary to each other and machined at an angle to the outside diameter of the composite wedge lock; the diameters of the outer surface of each wedge portion is centered at different locations thereby effectively preventing rotation of the wedge lock; a key on the convex surface of the smaller wedge portion cooperate with a recess formed in the semi-cylindrical cavity of the face of the leading wall to prevent axial movement of the wedge portion; a knock-out rod is provided to release the wedge lock for replacing of the impeller.

REFERENCES:
patent: 2258075 (1941-10-01), Symons
patent: 3146961 (1964-09-01), Putman, Jr.
patent: 3455517 (1969-07-01), Gilbert
patent: 3874603 (1975-04-01), Lowe

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