Locking swivel apparatus with a supplemental internal...

Details Locking swivel apparatus with a supplemental internal... Locking swivel apparatus with a supplemental internal...

E - Fixed Constructions

21

B

E21B 17/05 (2006.01) E21B 17/046 (2006.01)

Patent

CA 2456020

A locking swivel apparatus is provided. The locking swivel includes an upper body portion having a counter bore about a cylindrical axis, a mandrel receivable in the counter bore, and a lower cap member threadably engaged with the upper body portion. The apparatus further includes an internal locking arrangement configured to selectively couple and decouple the upper body portion and the mandrel. The selective coupling and decoupling is disposed to correspondingly constrain and allow relative rotation of the upper body portion and the mandrel about the cylindrical axis. The apparatus still further includes a supplemental internal locking mechanism configured, upon engagement, to selectively constrain the upper body portion and the mandrel from reciprocating along the cylindrical axis. The engagement of the supplemental locking mechanism is operable to secure the upper body portion and the mandrel in a coupled position.

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