Roller cutter with a tilted journal

Details Roller cutter with a tilted journal Roller cutter with a tilted journal

1984-07-02

1986-06-24

Levy, Stuart S.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175376, E21B 1010, E21B 1020

Patent

active

045962952

ABSTRACT:
The present invention relates to a roller cutter to be mounted on a rock boring head via a journal and a saddle. The journal has two ends that are supposed to be fixed to a conventional saddle. The journal is surrounded by a rotatably carried roller body comprising rows of circumferentially extending cutting means. The rotational axis of the roller cutter inclines an angle .phi..sub.1 with respect to the center line of the journal so that a true rolling movement may be obtained between the roller cutter and the rock surface.

REFERENCES:
patent: 1322696 (1919-11-01), Hughes
patent: 1920164 (1933-07-01), Stancliff
patent: 2038408 (1936-04-01), Berleth
patent: 2052034 (1936-08-01), Pennington
patent: 2061650 (1936-11-01), Catland
patent: 3430718 (1969-03-01), Lawrence
patent: 4274496 (1981-06-01), Liljekvist et al.
patent: 4448269 (1984-05-01), Ishikawa et al.

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