Multi-piece pinion shaft assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11859664
APP PUB NO 20230151842A1
SERIAL NO

17530441

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pinion shaft assembly for operation in a power end of a reciprocating pump includes a tubular member coupled to first pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the first end of the tubular member to ensure correct rotational orientation of the first pinion gear member and the tubular member and to help prevent rotation of the first pinion gear member relative to the tubular member. The tubular member is also coupled to a second pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the second end of the tubular member to ensure correct rotational orientation of the second pinion gear member and the tubular member and to help prevent rotation of the second pinion gear member relative to the tubular member.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SPM OIL & GAS INC601 HERBERT DRIVE FORT WORTH TX 76108

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Belshan, Daryl James Weatherford, US 7 9
Brown, Jacob Waller, US 13 117
Kabrich, Todd Ryan Tomball, US 20 8
Uddanda, Sri Harsha Lafayette, US 11 12

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