APPARATUS FOR DRILL PIPES MOVEMENT AND STORAGE ON DRILLING DERRICK Russian patent published in 1996 - IPC

FIELD: gas and oil industry, apparatuses to handle pipes on drilling derrick in particular. SUBSTANCE: apparatus has mast (1) and two preferably separately controlled acting levers (2A, 2B). Apparatus for pipes handling is operating preferably with cassette (4), that has finger-shaped protrusions. All finger-shaped protrusions (4a, 4b) of cassette (4) are directed toward center of apparatus to handle pipes. Locking device (4p) is made in the form of disk is mounted on top of mast (1). Outside surface of disk has cut-out oriented in direction to main operational plane of engaged levers movement (2A, 2B). EFFECT: improved process. 10 cl, 6 dwg