发明公开
EP1948900A2 GEWINDESICHERUNG 有权
土钻

GEWINDESICHERUNG
摘要:
The invention relates to an earth boring device with a housing (1), which has an internal thread (11) in at least one section, and with a threaded element with a corresponding external thread, the threaded element being slotted and having a location for a securing element (10, 110, 210), via which when inserting into the location, the outside diameter of the threaded element or the surface pressure of the threaded connection between the threaded element and the housing is increased.
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