Roller reamer apparatus

Details Roller reamer apparatus Roller reamer apparatus

1978-05-08

1980-10-14

Purser, Ernest R.

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

175228, E21B 924, E21B 908

Patent

active

042275865

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: 2122763 (1938-07-01), Smith, Jr.
patent: 2189040 (1940-02-01), Jones
patent: 2260366 (1941-10-01), Childs
patent: 2716020 (1955-08-01), Blaker
patent: 3303900 (1967-02-01), Kloesel, Jr. et al.
patent: 4057294 (1977-11-01), Krekeler

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