Mountable cone sub assembly

Details Mountable cone sub assembly Mountable cone sub assembly

1975-08-28

1976-12-21

Goodman, Philip

Cutlery

175337, F16C 1900

Patent

active

039985008

ABSTRACT:
A drill bit construction of the rotary cutter type in which cutter journals extend downwardly from the bit body and toward each other at an angle, the provision of bearing sleeves removably mounted on the journals and rotary cutters removably and rotatably mounted on the bearing sleeves, permitting the replacement of the bearing sleeves or the customary roller or ballbearings and also permitting replacement of the rotary cutter itself if the latter has become worn or damaged.

REFERENCES:
patent: 2787502 (1957-04-01), Huckshold
patent: 3572853 (1971-03-01), Coski
patent: 3784264 (1974-01-01), Jackson, Jr.

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