Lubricating device

Details Lubricating device Lubricating device

1979-10-19

1981-08-18

Purser, Ernest R.

Boring or penetrating the earth

With storage means for bit lubricant carried by bit or shaft

175337, 308 82, E21B 1024

Patent

active

042841518

ABSTRACT:
A device for lubricating rotary drill bits of the type comprising a roller cutter (14) which is rotatably carried by means of a bearing system (15, 16, 17, 18). Fluid is supplied to the bearing system for cooling thereof through a cooling passage (31, 32, 33; 51, 61), and a lubricant is delivered to the cooling passage from a lubricant reservoir (36; 46) through a lubricating passage (40; 54). For purposes of controlling the supply of lubricant the outlet of the lubricating passage into the cooling passage is arranged axially behind the inlet of the lubricating passage in the lubricant reservoir.

REFERENCES:
patent: 2831660 (1958-04-01), Smiecinski
patent: 3220496 (1965-11-01), Beck
patent: 3788408 (1974-11-01), Dysart

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-33665