Mounting apparatus for impeller for a centrifugal impact crusher

Details Mounting apparatus for impeller for a centrifugal impact crusher Mounting apparatus for impeller for a centrifugal impact crusher

1992-01-15

1992-08-11

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Stationary comminuting surface or material bed

198642, B02C 1900

Patent

active

051372207

ABSTRACT:
An apparatus for mounting impeller blocks to the turntable of a centrifugal impact crusher is provided. Each block defines a bore that extends between its forward and back faces, with the bore including an enlarged cavity region in communication with the forward face of the block. The head portion of an elongate bolt is seated within the enlarged cavity region, with a threaded portion of the bolt projecting from the back face of the block for insertion through an opening formed in an upright mount which is joined to the turntable. A fastener engages the threaded portion to releasably hold the block against the upright mount. The head portion of the bolt includes a wedge section that is radially asymmetrical about the center axis of the bolt for preventing rotation of the bolt within the bore during retightening of the fastener. The head portion of the bolt preferably includes a tapered section that converges toward the constant diameter threaded portion of the bolt for controlling knock between the block and the bolt or bracket.

REFERENCES:
patent: 2310758 (1943-02-01), Werner et al.
patent: 4397426 (1983-08-01), Warren et al.
patent: 4940188 (1990-07-01), Rodriguez et al.

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