Roller reamer apparatus

Details Roller reamer apparatus Roller reamer apparatus

1981-04-02

1983-08-16

Purser, Ernest R.

Boring or penetrating the earth

With storage means for bit lubricant carried by bit or shaft

With fluid pressure-actuated feed means

175227, 175337, 175371, 175346, 384 93, E21B 1026

Patent

active

043986102

ABSTRACT:
A roller reamer assembly for mounting in a longitudinally extending undercut groove in a reamer body and having longitudinally slidable bearing blocks with cooperating locking members for securing the bearing blocks in the groove upon longitudinal movement of the bearing blocks to prevent undesired longitudinal and radial movement of the bearing blocks and an automatic lubricating system for the bearing blocks.

REFERENCES:
patent: 1302058 (1919-04-01), Layne
patent: 1334632 (1920-03-01), Pickin
patent: 2122763 (1937-02-01), Smith, Jr.
patent: 3977481 (1976-08-01), Fisk et al.
patent: 4000783 (1977-01-01), Hug

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