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Class Information
Number: 175/346
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Noncutting portion forwardly of rolling cutter (e.g., reamer) > Longitudinal axis cutter > Separable support for cutter axle
Description: Apparatus wherein the rolling cutter element is mounted on an axle which is supported on the bit by means of two or more spaced readily detachable supporting devices.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7308956 |
Method of securing a rotary cutter to a body of a down hole tool and a rotary cutter assembly |
Dec. 18, 2007 |
| 7000713 |
Blockless reamer |
Feb. 21, 2006 |
| 6527066 |
Hole opener with multisized, replaceable arms and cutters |
Mar. 4, 2003 |
| 5381868 |
Sealed bearing roller reamer |
Jan. 17, 1995 |
| 4793425 |
Profiled body roller-reamer stabilizer |
Dec. 27, 1988 |
| 4583604 |
Roller reamer with rotatably positioned bearing block |
Apr. 22, 1986 |
| 4548284 |
Roller ball retention of reamer cutter assembly |
Oct. 22, 1985 |
| 4508184 |
Roller reamer/stabilizer |
Apr. 2, 1985 |
| 4480704 |
Reamer |
Nov. 6, 1984 |
| 4437526 |
Milling tool for forming recesses in masonry, concrete and similar material structures |
Mar. 20, 1984 |
| 4398610 |
Roller reamer apparatus |
Aug. 16, 1983 |
| 4261426 |
Reamer stabilizer |
Apr. 14, 1981 |
| 4231437 |
Combined stabilizer and reamer for drilling well bores |
Nov. 4, 1980 |
| 4227586 |
Roller reamer apparatus |
Oct. 14, 1980 |
| 4189012 |
Earth boring tool |
Feb. 19, 1980 |
| 4000783 |
Conical boring tool |
Jan. 4, 1977 |
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