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[미국특허] Diamond bearing for high-speed drag bits 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F16C-033/24
  • E21B-010/22
출원번호 US-0077266 (1987-07-24)
발명자 / 주소
  • Jones Kenneth W. (Kingwood TX)
출원인 / 주소
  • Smith International, Inc. (Newport Beach CA 02)
인용정보 피인용 횟수 : 109  인용 특허 : 0

초록 ▼

A bearing for a rotary cone for a rock bit is disclosed. The bearing consists of a multiplicity of small synthetic diamond particles nested within a matrix base, each with an exposed flattened surface to form the bearing. The diamond particles are strategically positioned on a bearing surface and se

대표청구항 ▼

A diamond bearing for a rotary rock bit comprising: a main bit body forming a first pin end and a second cutting end, said bit body further forms a chamber therein open to said first pin end to direct a source of coolant through said bit body; at least one support means for a rotary cutter adjacent

이 특허를 인용한 특허 (109) 인용/피인용 타임라인 분석

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  3. Cooley, Craig H.; Sexton, Timothy N., Bearing apparatuses and motor assemblies using same.
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  4. Cooley, Craig H.; Sexton, Timothy N., Bearing apparatuses including tilting pads and methods of operating such bearing apparatuses.
    상세보기
  5. Cooley, Craig H., Bearing apparatuses, systems including same, and related methods.
    상세보기
  6. Sexton, Timothy N.; Cooley, Craig H., Bearing apparatuses, systems including same, and related methods.
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  7. Peterson, S. Barrett, Bearing assemblies and apparatuses including superhard bearing elements.
    상세보기
  8. Peterson, S. Barrett; Cooley, Craig H.; Sexton, Timothy N., Bearing assemblies and apparatuses including tilting superhard bearing elements, and motor assemblies using the same.
    상세보기
  9. Peterson, S. Barrett; Cooley, Craig H.; Sexton, Timothy N., Bearing assemblies and apparatuses including tilting superhard bearing elements, and motor assemblies using the same.
    상세보기
  10. Cooley, Craig H.; Sexton, Timothy N., Bearing assemblies, and bearing apparatuses and motor assemblies using same.
    상세보기
  11. Sexton, Timothy N.; Cooley, Craig H., Bearing assemblies, and bearing apparatuses and motor assemblies using same.
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  12. Scott, Shawn C.; Johns, Jeffrey A.; Sexton, Timothy N.; Cooley, Craig H., Bearing assemblies, and bearing apparatuses using the same.
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  13. Peterson, S. Barrett; Cooley, Craig H.; Sexton, Timothy N., Bearing assemblies, and related methods.
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  14. Peterson, S. Barrett; Cooley, Craig H.; Sexton, Timothy N., Bearing assemblies, and related methods.
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  15. Sexton, Timothy N., Bearing assemblies, apparatuses, and motor assemblies using the same.
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  16. Sexton, Timothy N.; Cooley, Craig H.; Knuteson, Cody W., Bearing assemblies, apparatuses, and motor assemblies using the same.
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