Diamond bearing for high-speed drag bits

Details Diamond bearing for high-speed drag bits Diamond bearing for high-speed drag bits

1987-07-24

1988-07-12

Levy, Stuart S.

Bearings

Rotary bearing

Roller drill bit

175329, 384282, 3849071, F16C 3324, E21B 1022

Patent

active

047566310

ABSTRACT:
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 secured within the matrix base. A substantially identical synthetic diamond bearing is concentrically positioned adjacent to the first bearing to form the bearing package.

REFERENCES:
patent: T102901 (1983-04-01), Offenbacher
patent: 3823030 (1974-07-01), Hudson
patent: 3866987 (1975-02-01), Garner
patent: 3879094 (1975-04-01), Tschirkey et al.
patent: 4029368 (1977-06-01), Tschirkey et al.
patent: 4190301 (1980-02-01), Lachonius et al.
patent: 4260203 (1981-04-01), Garner
patent: 4345798 (1982-08-01), Cortes
patent: 4468138 (1984-08-01), Nagel
patent: 4549820 (1985-10-01), Mullins
patent: 4560014 (1985-12-01), Geczy

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