Martin Marietta Materials, Inc.

Innotech Solutions, LLC

Ulhas S Sawant

James A Sheridan

David W Ambrose

Michael R Gabriel

Wayne G Chmiel

A rotating feed distributor for use in connection with rock crushers and other devices. The feed distributor comprises a platform for receiving rocks and a chute having an inlet and outlet wherein the rocks pass through. The feed distributor is designed to reduce wear by evenly distributing rocks into the crusher. The chute is supported and rotated utilizing a motor, drive belts, a sheave structure, thrust bearings and idler wheels. The sheave structure includes a flange and a face which are generally orthogonal to one another. The belts, thrust bearings and idler wheels each engage with the sheave structure.

Rotating feed distributor

A rotating feed distributor for use in connection with rock crushers and other devices is disclosed. The feed distributor has a platform for receiving rocks and a chute having an inlet and outlet wherein the rocks pass through. The feed distributor is designed to reduce wear and evenly distribute rocks into the crusher by providing a sheaveless drive system that efficiently rotates the chute.

A variable throw eccentric cone crusher. The cone crusher comprises a frame, a crusher head supported on the frame for gyration about a first axis, a bowl supported on the frame in spaced relation to the crusher head, and a mechanism on the frame for varying the eccentricity of the gyration of the crusher head. An eccentric member engages the crusher head and is eccentrically pivotable about a second axis radially offset from the first axis. The eccentric member is adjustable to vary the eccentricity of the gyration of the crusher head.

Variable throw eccentric cone crusher and method for operating the same

A cone crusher with wear indicator. The cone crusher comprises a frame, a head rotatably supported on the frame, a bowl supported on the frame in spaced relation to the head, a liner mounted on one of the head and the bowl, and an indicator for indicating wear of the liner. Preferably, the indicator includes a recess defined by the liner, and the recess is revealed upon erosion of the wearing surface of the liner. Preferably, the cone crusher further comprises a backing material between the liner and the one of the head and the bowl. The backing material preferably fills the recess and is different from the material of which the liner is formed.

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Hartland, WI, United States of America

Ulhas S Sawant