Dipper door and dipper door trip assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11066807
APP PUB NO 20180142440A1
SERIAL NO

15877049

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A mining machine includes a boom, a handle coupled to the boom, a dipper coupled to the handle, and a dipper door pivotally coupled to the dipper. The mining shovel also includes a dipper door trip assembly including a trip motor coupled to the boom, a trip drum coupled to the handle, a linkage assembly coupled to the dipper door, a first actuation element extending directly from the trip motor to the trip drum, and a second actuation element extending directly from the trip drum to the linkage assembly.

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Patent Owner(s)

  • JOY GLOBAL SURFACE MINING INC

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colwell, Joseph J Hubertus, US 26 283
Gross, Matthew L West Allis, US 26 58
Nicoson, Richard Hartford, US 22 92

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