Locking device

Details Locking device Locking device

1986-10-31

1988-07-05

Novosad, Stephen J.

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

166187, E21B 710

Patent

active

047548215

ABSTRACT:
A locking device for use in an adjustable drill string stabilizer comprising a fluid reservoir provided in a first body member, the reservoir being divided into two chambers by a sealing piston secured on a second body member moveable relative to the first body member. The chambers of the reservoir are in fluid communication through a valve which is actuable to close said fluid communication between the chambers and thus prevent relative movement of the body members.

REFERENCES:
patent: 4572305 (1986-02-01), Swietlik
patent: 4577695 (1986-03-01), Wood
patent: 4615401 (1986-10-01), Garrett
patent: 4635736 (1987-01-01), Shirley

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2327188