E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/043 (2006.01) E21B 17/03 (2006.01) E21B 17/042 (2006.01)
Patent
CA 2511943
Coupling sleeve for connecting a threaded rock bolt (1) to an impact rock drilling machine (2) comprising a first part (3) provided with an internal thread (4) for connection of the rock bolt (1) and a second part (5) provided with an internal thread (6) for connection of the rock drilling machine (2), whereby the second part (5) comprises a transversely to a longitudinal axis (9) on the coupling sleeve arranged locking device (7) which cooperates with a region (8) on the rock drilling machine (2) for preventing that the coupling sleeve and the rock drilling machine (2) are separated.
L'invention concerne un manchon de couplage de connexion d'un boulon fileté (1) à une machine perforatrice (2) de roches à impacts, comprenant un premier élément (3) pourvu d'un filet interne (4) pour la connexion du boulon (1) et un second élément (5) pourvu d'un filet interne (6) pour la connexion de la machine perforatrice (2) de roches. Le second élément (5) comprend un dispositif (7) de verrouillage transversal par rapport à un axe longitudinal (9) sur le manchon de couplage, associé à une partie (8) de la machine perforatrice (2) de roches pour empêcher toute séparation du manchon de couplage et de la machine perforatrice (2) de roches.
Kanflod Morgan
Oeberg Fredrik
Stenberg Bertil
Atlas Copco Rock Drills Ab
Fetherstonhaugh & Co.
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