Locking swivel apparatus with replaceable internal gear members

Details Locking swivel apparatus with replaceable internal gear members Locking swivel apparatus with replaceable internal gear members

E - Fixed Constructions

21

B

E21B 17/05 (2006.01) F16L 27/08 (2006.01)

Patent

CA 2456079

A locking swivel apparatus is provided. The locking swivel includes an upper body portion having a counter bore about a cylindrical axis and a mandrel receivable in the counter bore. The apparatus further includes a locking arrangement, including at least one replaceable gear member, disposed to engage with the upper body portion and the mandrel. The locking arrangement is further disposed to selectively couple and decouple the upper body portion and the mandrel, such selective coupling and decoupling disposed to correspondingly constrain and allow relative rotation of the upper body portion and the mandrel about the cylindrical axis. Embodiments of the locking swivel include two replaceable gears disposed to selectively engage and disengage one another.

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