Impeller bar retaining wedge assembly and rotor employing...

Details Impeller bar retaining wedge assembly and rotor employing... Impeller bar retaining wedge assembly and rotor employing...

2005-01-25

2005-01-25

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Rotary striking member with circumferential or tangential flow

C029S428000, C241S294000

Reexamination Certificate

active

06845933

ABSTRACT:
A retaining wedge assembly for securing an impeller bar to the rotor of a horizontal shaft impact crusher comprises a recess defined in the rotor and sized to receive the impeller bar. The recess includes a first seat shaped to engage a first portion of the impeller bar and a second seat. A retaining wedge includes a first portion adapted to engage a second portion of the impeller bar, and a second portion sized to engage the second seat. A countersunk slot on the second seat receives the retaining wedge, which in turn cooperates to secure the impeller bar in the recess. Guide flanges may be provided for limiting axial movement of the retaining wedge. Thus, the impeller bar may be supported in the recess prior to start-up of the horizontal shaft impact crusher.

REFERENCES:
patent: 2258075 (1941-10-01), Symons
patent: 2877956 (1959-03-01), Sackett
patent: 2962233 (1960-11-01), Chryst
patent: 3186651 (1965-06-01), Briolini
patent: 4017035 (1977-04-01), Stuttmann
patent: 4039151 (1977-08-01), Coxhill
patent: 4577806 (1986-03-01), Terrenzio
patent: 4821970 (1989-04-01), Puetz
patent: 4896838 (1990-01-01), Vendelin
patent: 4923131 (1990-05-01), Rossouw
patent: 5046670 (1991-09-01), Leikin
patent: 5497951 (1996-03-01), Watajima

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