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US 4,886,218 AGranted
Mantle with replaceable wear plates
AssigneeCAE Machinery Ltd.
InventorsNorman F. Bradley, Craig H. Chamberlain
Life of this patent
Estimating the term…
Abstract
A mantle for use with a rock crushing apparatus comprising an essentially tubular mantle body having side walls defining an exterior surface and a hollow interior being adapted to fit over the main shaft of a rock crushing apparatus. Wear plates for attachment to the exterior of the mantle body are provided, an adhesive filling material being used between the mantle body and the wear plates. A system of locking bolts are used to removably locate the wear plates to the outer surface of the mantle body.
Claims12
A mantle for use with a rock crushing apparatus comprising:
- an essentially tubular mantle body having side walls defining an exterior surface and a hollow interior being adapted to fit over the main shaft of a rock crushing apparatus;
- wear plates for attachment to the exterior of said mantle body;
- an adhesive filling material disposed between said wear plates and said mantle body;
- and
- locating means to allow said wear plates to be removably located on said mantle comprising
- a plurality of fasteners, each fastener having a head and threaded shaft;
- a plurality of cavities formed in the side walls of said mantle body opening onto the exterior surface of said mantle body, each cavity having locking means and being adapted to removably receive one of said fasteners such that said threaded shaft protrudes outwardly from the exterior of the mantle body side walls;
- bores formed in said wear plates to accept said threaded shafts;
- and
- retaining means to locate said wear plates on said threaded shafts against the exterior of said mantle body side walls.
7 more elements
Dependencies are inferred from the claim text.