Rotating lifting bail and methods thereof
AssigneeBlack Diamond Oilfield Rentals LLC
InventorsChristopher M. Biggerstaff, Don A. Comeaux, Charles G. Kibbe, Ross J. Robin
Life of this patent
Estimating the term…
Abstract
A rotating lifting bail comprising: a bail, a threaded connector comprising a threaded connection, a rotating mandrel, a housing, wherein the bail is attached to the housing via a connector, a thrust bearing, wherein the thrust bearing is disposed between the rotating mandrel and the housing, and a wherein the threaded connector is attached to the rotating mandrel via a jam bolt. Methods of using the rotating lifting bail are also disclosed.
Claims71
A rotating lifting bail comprising:
- (a) a bail;
- (b) a threaded connector comprising a threaded connection;
- (c) a rotating mandrel;
- (d) a housing, wherein the bail is attached to the housing via a connector;
- (e) a thrust bearing, wherein the thrust bearing is disposed between the rotating mandrel and the housing;
- and
- (f) wherein the threaded connector is attached to the rotating mandrel via a jam bolt.
A rotating lifting bail comprising:
- (a) a bail;
- (b) a threaded connector comprising a threaded connection;
- (c) a rotating mandrel;
- (d) a housing, wherein the bail is attached to the housing via a connector;
- (e) a housing castle ring, wherein the housing castle ring is disposed between the bail and the housing;
- (f) a mandrel castle ring, wherein the mandrel castle ring is disposed between the bail and the rotating mandrel and wherein the housing castle ring and the mandrel castle ring have interlocking teeth;
- (g) a thrust bearing, wherein the thrust bearing is disposed between the rotating mandrel and the housing;
- and
- (h) wherein the threaded connector is attached to the rotating mandrel via a jam bolt.
A rotating lifting bail comprising:
- (a) a bail;
- (b) a threaded connector comprising a threaded connection;
- (c) a rotating mandrel;
- (d) a locking plate comprising a bore and a lock wherein the locking plate is movably attached to the bail via a connector;
- (e) a thrust bearing, wherein the thrust bearing is disposed between the rotating mandrel and the bail;
- and
- (f) wherein the threaded connector is attached to the rotating mandrel via a jam bolt.
Dependencies are inferred from the claim text.