Russell James Willmann

US Patent:

20130192099, Aug 1, 2013

Filed:

Jan 25, 2013

Appl. No.:

13/750149

Inventors:

Caterpillar Global Mining LLC - Oak Creek WI, US
Jeffrey Klingel - Delafield WI, US
Douglas E. Maki - Germantown WI, US
Kenneth J. Meyer - West Bend WI, US
Russell J. Willmann - Milwaukee WI, US

Assignee:

Caterpillar Global Mining LLC - Oak Creek WI

International Classification:

E02F 3/407

US Classification:

37445

Abstract:

A dipper assembly includes a dipper, a dipper door, and a closure mechanism. The dipper door is coupled to the dipper, and has a closed position in which the dipper door covers the dipper bottom. The closure mechanism has a first position and a second position. In the first position the closure mechanism is configured to permit movement of the dipper door away from the dipper bottom. In the second position, the closure mechanism is configured to retain the dipper door in the closed position. The closure mechanism includes a link having a first leg and a second leg, one or more side link plates coupled to the link and to the dipper back, and a closure mechanism pin assembly configured to adjust the position of the link relative to the dipper door.

US Patent:

20130192101, Aug 1, 2013

Filed:

Jan 29, 2013

Appl. No.:

13/752702

Inventors:

Caterpillar Global Mining LLC - Oak Creek WI, US
Jeffrey Klingel - Delafield WI, US
Kenneth J. Meyer - West Bend WI, US
Zoran Marjanovic - Wind Lake WI, US
Richard Hoppens - Milwaukee WI, US
Jamie K. Sherwood - Edmonton, CA
Richard Alberts - Athabasca, CA
Russell J. Willmann - Milwaukee WI, US

Assignee:

Caterpillar Global Mining LLC - Oak Creek WI

International Classification:

E02F 3/40

US Classification:

37445

Abstract:

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.