Caterpillar Global Mining LLC

Richard Alberts

Carl Delbert Gilmore

Zoran Marjanovic

Jeffrey Klingel

Kenneth J Meyer

Richard Hoppens

Russell J Willmann

Jamie K Sherwood

Douglas E Maki

A dipper assembly includes a dipper, a dipper door, a closure mechanism, a trip assembly, and a camshaft support assembly. The dipper door is pivotally mounted to the dipper for movement between an open position and a closed position in which the dipper door covers the dipper bottom. The closure mechanism is configured to retain the dipper door in the closed position. The trip assembly is configured to release the dipper door for movement to the open position, and includes a trip arm coupled to a camshaft and also coupled to a trip rope. The camshaft support assembly is configured to receive the camshaft, and includes a bearing block receiving a rotatable bearing member, and a sealing mechanism.

Dipper door assembly

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Athabasca, Canada

Richard Alberts