DISPOSITIFS DE COUPE ROTATIFS ET ÉLÉMENTS DESTINÉS À ÊTRE UTILISÉS SUR DES OUTILS DE FORAGE DE TERRE DANS DES TROUS DE FORAGE SOUTERRAINS, OUTILS DE FORAGE DE TERRE LES COMPRENANT, ET PROCÉDÉS ASSOCIÉS

摘要

Rotatable elements for use with earth-boring tools include a movable element and a stationary element. The movable element and stationary element include an index positioning feature that is configured to rotate the movable element as the movable element moves between a first axial position and a second axial position.