Roller reamer

Details Roller reamer Roller reamer

1981-03-23

1985-09-24

Leppink, James A.

Boring or penetrating the earth

With storage means for bit lubricant carried by bit or shaft

With fluid pressure-actuated feed means

175347, E21B 1030, E21B 1022

Patent

active

045427976

ABSTRACT:
A roller-reamer structure wherein for each roller shaft, the shaft is tightly, but releasably secured, both radial and thrust bearings being provided for relatively moving roller and shaft surfaces. The shaft is held in the various embodiments within accommodating slots by an interference fit between the shaft and the accommodating slot, by a partially slotted longitudinal opening that allows squeezing of a block about the shaft end, by a tapered shaft end being wedgedly held or by a slotted block opening and tapered wedging block member for tightly securing the shaft. Some combinations include a sealed and protected self-lubricating reservoir.

REFERENCES:
patent: 2189040 (1940-02-01), Jones
patent: 2199693 (1940-05-01), Catland
patent: 2695771 (1954-11-01), Salvatori
patent: 3897837 (1975-08-01), Peterson
patent: 4182245 (1980-01-01), Garrett
patent: 4226291 (1980-10-01), Spelts
patent: 4254839 (1981-03-01), Schpok et al.
patent: 4262760 (1981-04-01), Allison

Affiliated with

Also associated with

Rating

Roller reamer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roller reamer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roller reamer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1609562